Feature: Implement custom fields for documents (#4502)

Adds custom fields of certain data types, attachable to documents and searchable Co-Authored-By: Trenton H <797416+stumpylog@users.noreply.github.com>
2025-07-28 18:24:38 -05:00 · 2023-11-05 17:26:51 -08:00
parent 1b02046ba7
commit a792bf1ca1
67 changed files with 3199 additions and 421 deletions
--- a/src-ui/src/app/app-routing.module.ts
+++ b/src-ui/src/app/app-routing.module.ts
@@ -24,6 +24,7 @@ import {
 import { ConsumptionTemplatesComponent } from './components/manage/consumption-templates/consumption-templates.component'
 import { MailComponent } from './components/manage/mail/mail.component'
 import { UsersAndGroupsComponent } from './components/admin/users-groups/users-groups.component'
+import { CustomFieldsComponent } from './components/manage/custom-fields/custom-fields.component'

 export const routes: Routes = [
  { path: '', redirectTo: 'dashboard', pathMatch: 'full' },
@@ -189,6 +190,17 @@ export const routes: Routes = [
          },
        },
      },
+      {
+        path: 'customfields',
+        component: CustomFieldsComponent,
+        canActivate: [PermissionsGuard],
+        data: {
+          requiredPermission: {
+            action: PermissionAction.View,
+            type: PermissionType.CustomField,
+          },
+        },
+      },
      {
        path: 'templates',
        component: ConsumptionTemplatesComponent,
--- a/src-ui/src/app/app.module.ts
+++ b/src-ui/src/app/app.module.ts
@@ -39,6 +39,7 @@ import { NgxFileDropModule } from 'ngx-file-drop'
 import { TextComponent } from './components/common/input/text/text.component'
 import { SelectComponent } from './components/common/input/select/select.component'
 import { CheckComponent } from './components/common/input/check/check.component'
+import { UrlComponent } from './components/common/input/url/url.component'
 import { PasswordComponent } from './components/common/input/password/password.component'
 import { SaveViewConfigDialogComponent } from './components/document-list/save-view-config-dialog/save-view-config-dialog.component'
 import { TagsComponent } from './components/common/input/tags/tags.component'
@@ -101,6 +102,9 @@ import { MailComponent } from './components/manage/mail/mail.component'
 import { UsersAndGroupsComponent } from './components/admin/users-groups/users-groups.component'
 import { DragDropModule } from '@angular/cdk/drag-drop'
 import { FileDropComponent } from './components/file-drop/file-drop.component'
+import { CustomFieldsComponent } from './components/manage/custom-fields/custom-fields.component'
+import { CustomFieldEditDialogComponent } from './components/common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component'
+import { CustomFieldsDropdownComponent } from './components/common/custom-fields-dropdown/custom-fields-dropdown.component'

 import localeAf from '@angular/common/locales/af'
 import localeAr from '@angular/common/locales/ar'
@@ -200,6 +204,7 @@ function initializeApp(settings: SettingsService) {
    TextComponent,
    SelectComponent,
    CheckComponent,
+    UrlComponent,
    PasswordComponent,
    SaveViewConfigDialogComponent,
    TagsComponent,
@@ -246,6 +251,9 @@ function initializeApp(settings: SettingsService) {
    MailComponent,
    UsersAndGroupsComponent,
    FileDropComponent,
+    CustomFieldsComponent,
+    CustomFieldEditDialogComponent,
+    CustomFieldsDropdownComponent,
  ],
  imports: [
    BrowserModule,
--- a/src-ui/src/app/components/app-frame/app-frame.component.html
+++ b/src-ui/src/app/components/app-frame/app-frame.component.html
@@ -159,17 +159,24 @@
            </a>
          </li>
          <li class="nav-item" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.DocumentType }">
-            <a class="nav-link" routerLink="documenttypes" routerLinkActive="active" (click)="closeMenu()" ngbPopover="Document types" i18n-ngbPopover [disablePopover]="!slimSidebarEnabled" placement="end" container="body" triggers="mouseenter:mouseleave" popoverClass="popover-slim">
+            <a class="nav-link" routerLink="documenttypes" routerLinkActive="active" (click)="closeMenu()" ngbPopover="Document Types" i18n-ngbPopover [disablePopover]="!slimSidebarEnabled" placement="end" container="body" triggers="mouseenter:mouseleave" popoverClass="popover-slim">
              <svg class="sidebaricon" fill="currentColor">
                <use xlink:href="assets/bootstrap-icons.svg#hash"/>
-              </svg><span>&nbsp;<ng-container i18n>Document types</ng-container></span>
+              </svg><span>&nbsp;<ng-container i18n>Document Types</ng-container></span>
            </a>
          </li>
          <li class="nav-item" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.StoragePath }">
-            <a class="nav-link" routerLink="storagepaths" routerLinkActive="active" (click)="closeMenu()" ngbPopover="Storage paths" i18n-ngbPopover [disablePopover]="!slimSidebarEnabled" placement="end" container="body" triggers="mouseenter:mouseleave" popoverClass="popover-slim">
+            <a class="nav-link" routerLink="storagepaths" routerLinkActive="active" (click)="closeMenu()" ngbPopover="Storage Paths" i18n-ngbPopover [disablePopover]="!slimSidebarEnabled" placement="end" container="body" triggers="mouseenter:mouseleave" popoverClass="popover-slim">
              <svg class="sidebaricon" fill="currentColor">
                <use xlink:href="assets/bootstrap-icons.svg#folder"/>
-              </svg><span>&nbsp;<ng-container i18n>Storage paths</ng-container></span>
+              </svg><span>&nbsp;<ng-container i18n>Storage Paths</ng-container></span>
+            </a>
+          </li>
+          <li class="nav-item" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.CustomField }">
+            <a class="nav-link" routerLink="customfields" routerLinkActive="active" (click)="closeMenu()" ngbPopover="Custom Fields" i18n-ngbPopover [disablePopover]="!slimSidebarEnabled" placement="end" container="body" triggers="mouseenter:mouseleave" popoverClass="popover-slim">
+              <svg class="sidebaricon" fill="currentColor">
+                <use xlink:href="assets/bootstrap-icons.svg#ui-radios"/>
+              </svg><span>&nbsp;<ng-container i18n>Custom Fields</ng-container></span>
            </a>
          </li>
          <li class="nav-item" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.ConsumptionTemplate }" tourAnchor="tour.consumption-templates">
--- a/src-ui/src/app/components/app-frame/app-frame.component.spec.ts
+++ b/src-ui/src/app/components/app-frame/app-frame.component.spec.ts
@@ -30,7 +30,7 @@ import { DocumentListViewService } from 'src/app/services/document-list-view.ser
 import { FILTER_FULLTEXT_QUERY } from 'src/app/data/filter-rule-type'
 import { routes } from 'src/app/app-routing.module'
 import { PermissionsGuard } from 'src/app/guards/permissions.guard'
-import { CdkDragDrop } from '@angular/cdk/drag-drop'
+import { CdkDragDrop, DragDropModule } from '@angular/cdk/drag-drop'
 import { PaperlessSavedView } from 'src/app/data/paperless-saved-view'

 const saved_views = [
@@ -97,6 +97,7 @@ describe('AppFrameComponent', () => {
        NgbModule,
        FormsModule,
        ReactiveFormsModule,
+        DragDropModule,
      ],
      providers: [
        SettingsService,
--- a/src-ui/src/app/components/common/custom-fields-dropdown/custom-fields-dropdown.component.html
+++ b/src-ui/src/app/components/common/custom-fields-dropdown/custom-fields-dropdown.component.html
@@ -0,0 +1,36 @@
+<div ngbDropdown #fieldDropdown="ngbDropdown" (openChange)="onOpenClose()">
+    <button class="btn btn-sm btn-outline-primary" id="customFieldsDropdown" [disabled]="disabled" ngbDropdownToggle>
+      <svg class="toolbaricon" fill="currentColor">
+        <use xlink:href="assets/bootstrap-icons.svg#ui-radios" />
+      </svg>
+      <div class="d-none d-sm-inline">&nbsp;<ng-container i18n>Custom Fields</ng-container></div>
+    </button>
+    <div ngbDropdownMenu aria-labelledby="customFieldsDropdown" class="shadow custom-fields-dropdown">
+        <ul class="list-group list-group-flush">
+            <li class="list-group-item">
+                <pngx-input-select class="mb-3"
+                    [items]="unusedFields"
+                    bindLabel="name"
+                    [(ngModel)]="field"
+                    [placeholder]="placeholderText"
+                    [notFoundText]="notFoundText"
+                    [disableCreateNew]="!canCreateFields"
+                    (createNew)="createField($event)"
+                    bindValue="id">
+                </pngx-input-select>
+                <div class="btn-toolbar" role="toolbar">
+                    <button class="btn btn-sm btn-outline-secondary me-auto" type="button" (click)="createField()" [disabled]="!canCreateFields">
+                        <svg fill="currentColor" class="buttonicon-sm me-1 mb-1">
+                        <use xlink:href="assets/bootstrap-icons.svg#asterisk"/>
+                        </svg><ng-container i18n>Create New Field</ng-container>
+                    </button>
+                    <button class="btn btn-sm btn-outline-primary me-1" type="button" (click)="addField(); fieldDropdown.close()" [disabled]="field === undefined">
+                        <svg fill="currentColor" class="buttonicon me-1">
+                          <use xlink:href="assets/bootstrap-icons.svg#plus-circle"/>
+                        </svg><ng-container i18n>Add</ng-container>
+                    </button>
+                </div>
+            </li>
+        </ul>
+    </div>
+</div>
--- a/src-ui/src/app/components/common/custom-fields-dropdown/custom-fields-dropdown.component.scss
+++ b/src-ui/src/app/components/common/custom-fields-dropdown/custom-fields-dropdown.component.scss
@@ -0,0 +1,24 @@
+.custom-fields-dropdown {
+    min-width: 350px;
+
+    // correct position on mobile
+    @media (max-width: 575.98px) {
+        &.show {
+            margin-left: -175px !important;
+        }
+    }
+}
+
+::ng-deep .ng-select .ng-select-container .ng-value-container .ng-placeholder,
+::ng-deep .ng-select .ng-option,
+::ng-deep .ng-select .ng-select-container .ng-value-container .ng-value {
+    font-size: 0.875rem;
+}
+
+::ng-deep .paperless-input-select .ng-select {
+    min-height: calc(1em + 0.75rem + 5px);
+}
+
+::ng-deep .paperless-input-select .ng-select .ng-select-container .ng-value-container .ng-input {
+    top: 4px;
+}
--- a/src-ui/src/app/components/common/custom-fields-dropdown/custom-fields-dropdown.component.spec.ts
+++ b/src-ui/src/app/components/common/custom-fields-dropdown/custom-fields-dropdown.component.spec.ts
@@ -0,0 +1,137 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing'
+
+import { CustomFieldsDropdownComponent } from './custom-fields-dropdown.component'
+import {
+  HttpClientTestingModule,
+  HttpTestingController,
+} from '@angular/common/http/testing'
+import { ToastService } from 'src/app/services/toast.service'
+import { CustomFieldsService } from 'src/app/services/rest/custom-fields.service'
+import { of } from 'rxjs'
+import {
+  PaperlessCustomField,
+  PaperlessCustomFieldDataType,
+} from 'src/app/data/paperless-custom-field'
+import { SelectComponent } from '../input/select/select.component'
+import { NgSelectModule } from '@ng-select/ng-select'
+import { FormsModule, ReactiveFormsModule } from '@angular/forms'
+import {
+  NgbDropdownModule,
+  NgbModal,
+  NgbModalModule,
+  NgbModalRef,
+} from '@ng-bootstrap/ng-bootstrap'
+import { CustomFieldEditDialogComponent } from '../edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component'
+import { By } from '@angular/platform-browser'
+
+const fields: PaperlessCustomField[] = [
+  {
+    id: 0,
+    name: 'Field 1',
+    data_type: PaperlessCustomFieldDataType.Integer,
+  },
+  {
+    id: 1,
+    name: 'Field 2',
+    data_type: PaperlessCustomFieldDataType.String,
+  },
+]
+
+describe('CustomFieldsDropdownComponent', () => {
+  let component: CustomFieldsDropdownComponent
+  let fixture: ComponentFixture<CustomFieldsDropdownComponent>
+  let customFieldService: CustomFieldsService
+  let toastService: ToastService
+  let modalService: NgbModal
+  let httpController: HttpTestingController
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      declarations: [CustomFieldsDropdownComponent, SelectComponent],
+      imports: [
+        HttpClientTestingModule,
+        NgSelectModule,
+        FormsModule,
+        ReactiveFormsModule,
+        NgbModalModule,
+        NgbDropdownModule,
+      ],
+    })
+    customFieldService = TestBed.inject(CustomFieldsService)
+    httpController = TestBed.inject(HttpTestingController)
+    toastService = TestBed.inject(ToastService)
+    modalService = TestBed.inject(NgbModal)
+    jest.spyOn(customFieldService, 'listAll').mockReturnValue(
+      of({
+        all: fields.map((f) => f.id),
+        count: fields.length,
+        results: fields.concat([]),
+      })
+    )
+    fixture = TestBed.createComponent(CustomFieldsDropdownComponent)
+    component = fixture.componentInstance
+    fixture.detectChanges()
+  })
+
+  it('should support add field', () => {
+    let addedField
+    component.added.subscribe((f) => (addedField = f))
+    component.documentId = 11
+    component.field = fields[0].id
+    component.addField()
+    expect(addedField).not.toBeUndefined()
+  })
+
+  it('should clear field on open / close, updated unused fields', () => {
+    component.field = fields[1].id
+    component.onOpenClose()
+    expect(component.field).toBeUndefined()
+
+    expect(component.unusedFields).toEqual(fields)
+    const updateSpy = jest.spyOn(
+      CustomFieldsDropdownComponent.prototype as any,
+      'updateUnusedFields'
+    )
+    component.existingFields = [{ field: fields[1].id } as any]
+    component.onOpenClose()
+    expect(updateSpy).toHaveBeenCalled()
+    expect(component.unusedFields).toEqual([fields[0]])
+  })
+
+  it('should support creating field, show error if necessary', () => {
+    let modal: NgbModalRef
+    modalService.activeInstances.subscribe((m) => (modal = m[m.length - 1]))
+    const toastErrorSpy = jest.spyOn(toastService, 'showError')
+    const toastInfoSpy = jest.spyOn(toastService, 'showInfo')
+    const getFieldsSpy = jest.spyOn(
+      CustomFieldsDropdownComponent.prototype as any,
+      'getFields'
+    )
+
+    const createButton = fixture.debugElement.queryAll(By.css('button'))[1]
+    createButton.triggerEventHandler('click')
+
+    expect(modal).not.toBeUndefined()
+    const editDialog = modal.componentInstance as CustomFieldEditDialogComponent
+
+    // fail first
+    editDialog.failed.emit({ error: 'error creating field' })
+    expect(toastErrorSpy).toHaveBeenCalled()
+    expect(getFieldsSpy).not.toHaveBeenCalled()
+
+    // succeed
+    editDialog.succeeded.emit(fields[0])
+    expect(toastInfoSpy).toHaveBeenCalled()
+    expect(getFieldsSpy).toHaveBeenCalled()
+  })
+
+  it('should support creating field with name', () => {
+    let modal: NgbModalRef
+    modalService.activeInstances.subscribe((m) => (modal = m[m.length - 1]))
+    component.createField('Foo bar')
+
+    expect(modal).not.toBeUndefined()
+    const editDialog = modal.componentInstance as CustomFieldEditDialogComponent
+    expect(editDialog.object.name).toEqual('Foo bar')
+  })
+})
--- a/src-ui/src/app/components/common/custom-fields-dropdown/custom-fields-dropdown.component.ts
+++ b/src-ui/src/app/components/common/custom-fields-dropdown/custom-fields-dropdown.component.ts
@@ -0,0 +1,131 @@
+import {
+  Component,
+  EventEmitter,
+  Input,
+  OnDestroy,
+  Output,
+} from '@angular/core'
+import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
+import { Subject, first, takeUntil } from 'rxjs'
+import { PaperlessCustomField } from 'src/app/data/paperless-custom-field'
+import { PaperlessCustomFieldInstance } from 'src/app/data/paperless-custom-field-instance'
+import { CustomFieldsService } from 'src/app/services/rest/custom-fields.service'
+import { ToastService } from 'src/app/services/toast.service'
+import { CustomFieldEditDialogComponent } from '../edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component'
+import {
+  PermissionAction,
+  PermissionType,
+  PermissionsService,
+} from 'src/app/services/permissions.service'
+
+@Component({
+  selector: 'pngx-custom-fields-dropdown',
+  templateUrl: './custom-fields-dropdown.component.html',
+  styleUrls: ['./custom-fields-dropdown.component.scss'],
+})
+export class CustomFieldsDropdownComponent implements OnDestroy {
+  @Input()
+  documentId: number
+
+  @Input()
+  disabled: boolean = false
+
+  @Input()
+  existingFields: PaperlessCustomFieldInstance[] = []
+
+  @Output()
+  added: EventEmitter<PaperlessCustomField> = new EventEmitter()
+
+  @Output()
+  created: EventEmitter<PaperlessCustomField> = new EventEmitter()
+
+  private customFields: PaperlessCustomField[] = []
+  public unusedFields: PaperlessCustomField[]
+
+  public name: string
+
+  public field: number
+
+  private unsubscribeNotifier: Subject<any> = new Subject()
+
+  get placeholderText(): string {
+    return $localize`Choose field`
+  }
+
+  get notFoundText(): string {
+    return $localize`No unused fields found`
+  }
+
+  get canCreateFields(): boolean {
+    return this.permissionsService.currentUserCan(
+      PermissionAction.Add,
+      PermissionType.CustomField
+    )
+  }
+
+  constructor(
+    private customFieldsService: CustomFieldsService,
+    private modalService: NgbModal,
+    private toastService: ToastService,
+    private permissionsService: PermissionsService
+  ) {
+    this.getFields()
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribeNotifier.next(this)
+    this.unsubscribeNotifier.complete()
+  }
+
+  private getFields() {
+    this.customFieldsService
+      .listAll()
+      .pipe(first(), takeUntil(this.unsubscribeNotifier))
+      .subscribe((result) => {
+        this.customFields = result.results
+        this.updateUnusedFields()
+      })
+  }
+
+  public getCustomFieldFromInstance(
+    instance: PaperlessCustomFieldInstance
+  ): PaperlessCustomField {
+    return this.customFields.find((f) => f.id === instance.field)
+  }
+
+  private updateUnusedFields() {
+    this.unusedFields = this.customFields.filter(
+      (f) =>
+        !this.existingFields?.find(
+          (e) => this.getCustomFieldFromInstance(e)?.id === f.id
+        )
+    )
+  }
+
+  onOpenClose() {
+    this.field = undefined
+    this.updateUnusedFields()
+  }
+
+  addField() {
+    this.added.emit(this.customFields.find((f) => f.id === this.field))
+  }
+
+  createField(newName: string = null) {
+    const modal = this.modalService.open(CustomFieldEditDialogComponent)
+    if (newName) modal.componentInstance.object = { name: newName }
+    modal.componentInstance.succeeded
+      .pipe(takeUntil(this.unsubscribeNotifier))
+      .subscribe((newField) => {
+        this.toastService.showInfo($localize`Saved field "${newField.name}".`)
+        this.customFieldsService.clearCache()
+        this.getFields()
+        this.created.emit(newField)
+      })
+    modal.componentInstance.failed
+      .pipe(takeUntil(this.unsubscribeNotifier))
+      .subscribe((e) => {
+        this.toastService.showError($localize`Error saving field.`, e)
+      })
+  }
+}
--- a/src-ui/src/app/components/common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component.html
+++ b/src-ui/src/app/components/common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component.html
@@ -0,0 +1,16 @@
+<form [formGroup]="objectForm" (ngSubmit)="save()" autocomplete="off">
+    <div class="modal-header">
+      <h4 class="modal-title" id="modal-basic-title">{{getTitle()}}</h4>
+      <button type="button" [disabled]="!closeEnabled" class="btn-close" aria-label="Close" (click)="cancel()">
+      </button>
+    </div>
+    <div class="modal-body">
+      <pngx-input-text i18n-title title="Name" formControlName="name" [error]="error?.name"></pngx-input-text>
+      <pngx-input-select i18n-title title="Data type" [items]="getDataTypes()" formControlName="data_type"></pngx-input-select>
+      <small class="d-block mt-n2" *ngIf="typeFieldDisabled" i18n>Data type cannot be changed after a field is created</small>
+    </div>
+    <div class="modal-footer">
+      <button type="button" class="btn btn-outline-secondary" (click)="cancel()" i18n [disabled]="networkActive">Cancel</button>
+      <button type="submit" class="btn btn-primary" i18n [disabled]="networkActive">Save</button>
+    </div>
+  </form>
--- a/src-ui/src/app/components/common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component.scss
+++ b/src-ui/src/app/components/common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component.scss
--- a/src-ui/src/app/components/common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component.spec.ts
+++ b/src-ui/src/app/components/common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component.spec.ts
@@ -0,0 +1,67 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing'
+
+import { CustomFieldEditDialogComponent } from './custom-field-edit-dialog.component'
+import { HttpClientTestingModule } from '@angular/common/http/testing'
+import { FormsModule, ReactiveFormsModule } from '@angular/forms'
+import { NgbActiveModal, NgbModule } from '@ng-bootstrap/ng-bootstrap'
+import { NgSelectModule } from '@ng-select/ng-select'
+import { IfOwnerDirective } from 'src/app/directives/if-owner.directive'
+import { IfPermissionsDirective } from 'src/app/directives/if-permissions.directive'
+import { SafeHtmlPipe } from 'src/app/pipes/safehtml.pipe'
+import { SettingsService } from 'src/app/services/settings.service'
+import { SelectComponent } from '../../input/select/select.component'
+import { TextComponent } from '../../input/text/text.component'
+import { EditDialogMode } from '../edit-dialog.component'
+
+describe('CustomFieldEditDialogComponent', () => {
+  let component: CustomFieldEditDialogComponent
+  let settingsService: SettingsService
+  let fixture: ComponentFixture<CustomFieldEditDialogComponent>
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      declarations: [
+        CustomFieldEditDialogComponent,
+        IfPermissionsDirective,
+        IfOwnerDirective,
+        SelectComponent,
+        TextComponent,
+        SafeHtmlPipe,
+      ],
+      providers: [NgbActiveModal],
+      imports: [
+        HttpClientTestingModule,
+        FormsModule,
+        ReactiveFormsModule,
+        NgSelectModule,
+        NgbModule,
+      ],
+    }).compileComponents()
+
+    fixture = TestBed.createComponent(CustomFieldEditDialogComponent)
+    settingsService = TestBed.inject(SettingsService)
+    settingsService.currentUser = { id: 99, username: 'user99' }
+    component = fixture.componentInstance
+
+    fixture.detectChanges()
+  })
+
+  it('should support create and edit modes', () => {
+    component.dialogMode = EditDialogMode.CREATE
+    const createTitleSpy = jest.spyOn(component, 'getCreateTitle')
+    const editTitleSpy = jest.spyOn(component, 'getEditTitle')
+    fixture.detectChanges()
+    expect(createTitleSpy).toHaveBeenCalled()
+    expect(editTitleSpy).not.toHaveBeenCalled()
+    component.dialogMode = EditDialogMode.EDIT
+    fixture.detectChanges()
+    expect(editTitleSpy).toHaveBeenCalled()
+  })
+
+  it('should disable data type select on edit', () => {
+    component.dialogMode = EditDialogMode.EDIT
+    fixture.detectChanges()
+    component.ngOnInit()
+    expect(component.objectForm.get('data_type').disabled).toBeTruthy()
+  })
+})
--- a/src-ui/src/app/components/common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component.ts
+++ b/src-ui/src/app/components/common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component.ts
@@ -0,0 +1,60 @@
+import { Component, OnInit } from '@angular/core'
+import { FormGroup, FormControl } from '@angular/forms'
+import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap'
+import {
+  DATA_TYPE_LABELS,
+  PaperlessCustomField,
+} from 'src/app/data/paperless-custom-field'
+import { CustomFieldsService } from 'src/app/services/rest/custom-fields.service'
+import { UserService } from 'src/app/services/rest/user.service'
+import { SettingsService } from 'src/app/services/settings.service'
+import { EditDialogComponent, EditDialogMode } from '../edit-dialog.component'
+
+@Component({
+  selector: 'pngx-custom-field-edit-dialog',
+  templateUrl: './custom-field-edit-dialog.component.html',
+  styleUrls: ['./custom-field-edit-dialog.component.scss'],
+})
+export class CustomFieldEditDialogComponent
+  extends EditDialogComponent<PaperlessCustomField>
+  implements OnInit
+{
+  constructor(
+    service: CustomFieldsService,
+    activeModal: NgbActiveModal,
+    userService: UserService,
+    settingsService: SettingsService
+  ) {
+    super(service, activeModal, userService, settingsService)
+  }
+
+  ngOnInit(): void {
+    super.ngOnInit()
+    if (this.typeFieldDisabled) {
+      this.objectForm.get('data_type').disable()
+    }
+  }
+
+  getCreateTitle() {
+    return $localize`Create new custom field`
+  }
+
+  getEditTitle() {
+    return $localize`Edit custom field`
+  }
+
+  getForm(): FormGroup {
+    return new FormGroup({
+      name: new FormControl(null),
+      data_type: new FormControl(null),
+    })
+  }
+
+  getDataTypes() {
+    return DATA_TYPE_LABELS
+  }
+
+  get typeFieldDisabled(): boolean {
+    return this.dialogMode === EditDialogMode.EDIT
+  }
+}
--- a/src-ui/src/app/components/common/input/abstract-input.ts
+++ b/src-ui/src/app/components/common/input/abstract-input.ts
@@ -1,4 +1,12 @@
-import { Directive, ElementRef, Input, OnInit, ViewChild } from '@angular/core'
+import {
+  Directive,
+  ElementRef,
+  EventEmitter,
+  Input,
+  OnInit,
+  Output,
+  ViewChild,
+} from '@angular/core'
 import { ControlValueAccessor } from '@angular/forms'
 import { v4 as uuidv4 } from 'uuid'

@@ -41,6 +49,18 @@ export class AbstractInputComponent<T> implements OnInit, ControlValueAccessor {
  @Input()
  error: string

+  @Input()
+  hint: string
+
+  @Input()
+  horizontal: boolean = false
+
+  @Input()
+  removable: boolean = false
+
+  @Output()
+  removed: EventEmitter<AbstractInputComponent<any>> = new EventEmitter()
+
  value: T

  ngOnInit(): void {
@@ -48,7 +68,4 @@ export class AbstractInputComponent<T> implements OnInit, ControlValueAccessor {
  }

  inputId: string
-
-  @Input()
-  hint: string
 }
--- a/src-ui/src/app/components/common/input/check/check.component.html
+++ b/src-ui/src/app/components/common/input/check/check.component.html
@@ -1,5 +1,19 @@
-<div class="mb-3 form-check">
-  <input #inputField type="checkbox" class="form-check-input" [id]="inputId" [(ngModel)]="value" (change)="onChange(value)" (blur)="onTouched()" [disabled]="disabled">
-  <label class="form-check-label" [for]="inputId">{{title}}</label>
-  <div *ngIf="hint" class="form-text text-muted">{{hint}}</div>
+<div class="mb-3">
+  <div class="row">
+    <div *ngIf="horizontal" class="d-flex align-items-center position-relative hidden-button-container col-md-3">
+      <label class="form-label mb-md-0" [for]="inputId">{{title}}</label>
+      <button type="button" *ngIf="removable" class="btn btn-sm btn-danger position-absolute left-0" (click)="removed.emit(this)">
+        <svg class="sidebaricon" fill="currentColor">
+          <use xlink:href="assets/bootstrap-icons.svg#x"/>
+        </svg>&nbsp;<ng-container i18n>Remove</ng-container>
+      </button>
+    </div>
+    <div [ngClass]="{'col-md-9': horizontal, 'align-items-center': horizontal, 'd-flex': horizontal}">
+      <div class="form-check">
+        <input #inputField type="checkbox" class="form-check-input" [id]="inputId" [(ngModel)]="value" (change)="onChange(value)" (blur)="onTouched()" [disabled]="disabled">
+        <label *ngIf="!horizontal" class="form-check-label" [for]="inputId">{{title}}</label>
+        <div *ngIf="hint" class="form-text text-muted">{{hint}}</div>
+      </div>
+    </div>
+  </div>
 </div>
--- a/src-ui/src/app/components/common/input/date/date.component.html
+++ b/src-ui/src/app/components/common/input/date/date.component.html
@@ -1,26 +1,37 @@
-<div class="mb-3">
-  <label class="form-label" [for]="inputId">{{title}}</label>
-  <div class="input-group" [class.is-invalid]="error">
-    <input #inputField class="form-control" [class.is-invalid]="error" [placeholder]="placeholder" [id]="inputId" maxlength="10"
-          (dateSelect)="onChange(value)" (change)="onChange(value)" (keypress)="onKeyPress($event)" (paste)="onPaste($event)"
-          name="dp" [(ngModel)]="value" ngbDatepicker #datePicker="ngbDatepicker" #datePickerContent="ngModel" [disabled]="disabled">
-    <button class="btn btn-outline-secondary calendar" (click)="datePicker.toggle()" type="button" [disabled]="disabled">
-      <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-calendar" viewBox="0 0 16 16">
-        <path d="M3.5 0a.5.5 0 0 1 .5.5V1h8V.5a.5.5 0 0 1 1 0V1h1a2 2 0 0 1 2 2v11a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2V3a2 2 0 0 1 2-2h1V.5a.5.5 0 0 1 .5-.5zM1 4v10a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1V4H1z"/>
-      </svg>
-    </button>
-    <button *ngIf="showFilter" class="btn btn-outline-secondary" type="button" (click)="onFilterDocuments()" [disabled]="this.value === null" title="{{ fitlerButtonTitle }}">
-      <svg class="buttonicon" fill="currentColor">
-        <use xlink:href="assets/bootstrap-icons.svg#filter" />
-      </svg>
-    </button>
+<div class="mb-3" [class.pb-3]="error">
+  <div class="row">
+    <div class="d-flex align-items-center position-relative hidden-button-container" [class.col-md-3]="horizontal">
+      <label class="form-label mb-md-0" [for]="inputId">{{title}}</label>
+      <button type="button" *ngIf="removable" class="btn btn-sm btn-danger position-absolute left-0" (click)="removed.emit(this)">
+        <svg class="sidebaricon" fill="currentColor">
+          <use xlink:href="assets/bootstrap-icons.svg#x"/>
+        </svg>&nbsp;<ng-container i18n>Remove</ng-container>
+      </button>
+    </div>
+    <div class="position-relative" [class.col-md-9]="horizontal">
+      <div class="input-group" [class.is-invalid]="error">
+        <input #inputField class="form-control" [class.is-invalid]="error" [placeholder]="placeholder" [id]="inputId" maxlength="10"
+              (dateSelect)="onChange(value)" (change)="onChange(value)" (keypress)="onKeyPress($event)" (paste)="onPaste($event)"
+              name="dp" [(ngModel)]="value" ngbDatepicker #datePicker="ngbDatepicker" #datePickerContent="ngModel" [disabled]="disabled">
+        <button class="btn btn-outline-secondary calendar" (click)="datePicker.toggle()" type="button" [disabled]="disabled">
+          <svg xmlns="http://www.w3.org/2000/svg" fill="currentColor" class="buttonicon">
+            <use _ngcontent-ng-c3750736003="" xlink:href="assets/bootstrap-icons.svg#calendar"></use>
+          </svg>
+        </button>
+        <button *ngIf="showFilter" class="btn btn-outline-secondary" type="button" (click)="onFilterDocuments()" [disabled]="this.value === null" title="{{ fitlerButtonTitle }}">
+          <svg class="buttonicon" fill="currentColor">
+            <use xlink:href="assets/bootstrap-icons.svg#filter" />
+          </svg>
+        </button>
+      </div>
+      <div class="invalid-feedback position-absolute top-100" i18n>Invalid date.</div>
+      <small *ngIf="hint" class="form-text text-muted">{{hint}}</small>
+      <small *ngIf="getSuggestions().length > 0">
+        <span i18n>Suggestions:</span>&nbsp;
+        <ng-container *ngFor="let s of getSuggestions()">
+          <a (click)="onSuggestionClick(s)" [routerLink]="[]">{{s}}</a>&nbsp;
+        </ng-container>
+      </small>
+    </div>
  </div>
-  <div class="invalid-feedback" i18n>Invalid date.</div>
-  <small *ngIf="hint" class="form-text text-muted">{{hint}}</small>
-  <small *ngIf="getSuggestions().length > 0">
-    <span i18n>Suggestions:</span>&nbsp;
-    <ng-container *ngFor="let s of getSuggestions()">
-      <a (click)="onSuggestionClick(s)" [routerLink]="[]">{{s}}</a>&nbsp;
-    </ng-container>
-  </small>
 </div>
--- a/src-ui/src/app/components/common/input/number/number.component.html
+++ b/src-ui/src/app/components/common/input/number/number.component.html
@@ -1,12 +1,22 @@
-<div class="mb-3">
-  <label class="form-label" [for]="inputId">{{title}}</label>
-  <div class="input-group" [class.is-invalid]="error">
-    <input #inputField type="number" class="form-control" [id]="inputId" [(ngModel)]="value" (change)="onChange(value)" [class.is-invalid]="error" [disabled]="disabled">
-    <button *ngIf="showAdd" class="btn btn-outline-secondary" type="button" id="button-addon1" (click)="nextAsn()" [disabled]="disabled">+1</button>
+<div class="mb-3" [class.pb-3]="error">
+  <div class="row">
+    <div class="d-flex align-items-center position-relative hidden-button-container" [class.col-md-3]="horizontal">
+      <label class="form-label mb-md-0" [for]="inputId">{{title}}</label>
+      <button type="button" *ngIf="removable" class="btn btn-sm btn-danger position-absolute left-0" (click)="removed.emit(this)">
+        <svg class="sidebaricon" fill="currentColor">
+          <use xlink:href="assets/bootstrap-icons.svg#x"/>
+        </svg>&nbsp;<ng-container i18n>Remove</ng-container>
+      </button>
+    </div>
+    <div class="position-relative" [class.col-md-9]="horizontal">
+      <div class="input-group" [class.is-invalid]="error">
+        <input #inputField type="number" class="form-control" [step]="step" [id]="inputId" [(ngModel)]="value" (change)="onChange(value)" [class.is-invalid]="error" [disabled]="disabled">
+        <button *ngIf="showAdd" class="btn btn-outline-secondary" type="button" id="button-addon1" (click)="nextAsn()" [disabled]="disabled">+1</button>
+      </div>
+      <div class="invalid-feedback position-absolute top-100">
+        {{error}}
+      </div>
+      <small *ngIf="hint" class="form-text text-muted">{{hint}}</small>
+    </div>
  </div>
-  <div class="invalid-feedback">
-    {{error}}
-  </div>
-  <small *ngIf="hint" class="form-text text-muted">{{hint}}</small>
-
 </div>
--- a/src-ui/src/app/components/common/input/number/number.component.spec.ts
+++ b/src-ui/src/app/components/common/input/number/number.component.spec.ts
@@ -46,4 +46,18 @@ describe('NumberComponent', () => {
    component.nextAsn()
    expect(component.value).toEqual(1002)
  })
+
+  it('should support float & monetary values', () => {
+    component.writeValue(11.13)
+    expect(component.value).toEqual(11)
+    component.step = 0.01
+    component.writeValue(11.1)
+    expect(component.value).toEqual('11.10')
+    component.step = 0.1
+    component.writeValue(12.3456)
+    expect(component.value).toEqual(12.3456)
+    // float (step = .1) doesnt force 2 decimals
+    component.writeValue(11.1)
+    expect(component.value).toEqual(11.1)
+  })
 })
--- a/src-ui/src/app/components/common/input/number/number.component.ts
+++ b/src-ui/src/app/components/common/input/number/number.component.ts
@@ -19,6 +19,9 @@ export class NumberComponent extends AbstractInputComponent<number> {
  @Input()
  showAdd: boolean = true

+  @Input()
+  step: number = 1
+
  constructor(private documentService: DocumentService) {
    super()
  }
@@ -32,4 +35,10 @@ export class NumberComponent extends AbstractInputComponent<number> {
      this.onChange(this.value)
    })
  }
+
+  writeValue(newValue: any): void {
+    if (this.step === 1) newValue = parseInt(newValue, 10)
+    if (this.step === 0.01) newValue = parseFloat(newValue).toFixed(2)
+    super.writeValue(newValue)
+  }
 }
--- a/src-ui/src/app/components/common/input/select/select.component.html
+++ b/src-ui/src/app/components/common/input/select/select.component.html
@@ -1,44 +1,54 @@
 <div class="mb-3 paperless-input-select" [class.disabled]="disabled">
-  <label *ngIf="title" class="form-label" [for]="inputId">{{title}}</label>
-    <div [class.input-group]="allowCreateNew || showFilter">
-      <ng-select name="inputId" [(ngModel)]="value"
-        [disabled]="disabled"
-        [style.color]="textColor"
-        [style.background]="backgroundColor"
-        [class.private]="isPrivate"
-        [clearable]="allowNull"
-        [items]="items"
-        [addTag]="allowCreateNew && addItemRef"
-        addTagText="Add item"
-        i18n-addTagText="Used for both types, correspondents, storage paths"
-        [placeholder]="placeholder"
-        [multiple]="multiple"
-        [bindLabel]="bindLabel"
-        bindValue="id"
-        (change)="onChange(value)"
-        (search)="onSearch($event)"
-        (focus)="clearLastSearchTerm()"
-        (clear)="clearLastSearchTerm()"
-        (blur)="onBlur()">
-      </ng-select>
-      <button *ngIf="allowCreateNew" class="btn btn-outline-secondary" type="button" (click)="addItem()" [disabled]="disabled">
-        <svg class="buttonicon" fill="currentColor">
-          <use xlink:href="assets/bootstrap-icons.svg#plus" />
-        </svg>
-      </button>
-      <button *ngIf="showFilter" class="btn btn-outline-secondary" type="button" (click)="onFilterDocuments()" [disabled]="isPrivate || this.value === null" title="{{ filterButtonTitle }}">
-        <svg class="buttonicon" fill="currentColor">
-          <use xlink:href="assets/bootstrap-icons.svg#filter" />
-        </svg>
+  <div class="row">
+    <div class="d-flex align-items-center position-relative hidden-button-container" [class.col-md-3]="horizontal">
+      <label *ngIf="title" class="form-label mb-md-0" [for]="inputId">{{title}}</label>
+      <button type="button" *ngIf="removable" class="btn btn-sm btn-danger position-absolute left-0" (click)="removed.emit(this)">
+        <svg class="sidebaricon" fill="currentColor">
+          <use xlink:href="assets/bootstrap-icons.svg#x"/>
+        </svg>&nbsp;<ng-container i18n>Remove</ng-container>
      </button>
    </div>
-  <small *ngIf="hint" class="form-text text-muted">{{hint}}</small>
-  <small *ngIf="getSuggestions().length > 0">
-    <span i18n>Suggestions:</span>&nbsp;
-    <ng-container *ngFor="let s of getSuggestions()">
-      <a (click)="value = s.id; onChange(value)" [routerLink]="[]">{{s.name}}</a>&nbsp;
-    </ng-container>
-
-
-  </small>
+    <div [class.col-md-9]="horizontal">
+      <div [class.input-group]="allowCreateNew || showFilter">
+        <ng-select name="inputId" [(ngModel)]="value"
+          [disabled]="disabled"
+          [style.color]="textColor"
+          [style.background]="backgroundColor"
+          [class.private]="isPrivate"
+          [clearable]="allowNull"
+          [items]="items"
+          [addTag]="allowCreateNew && addItemRef"
+          addTagText="Add item"
+          i18n-addTagText="Used for both types, correspondents, storage paths"
+          [placeholder]="placeholder"
+          [notFoundText]="notFoundText"
+          [multiple]="multiple"
+          [bindLabel]="bindLabel"
+          bindValue="id"
+          (change)="onChange(value)"
+          (search)="onSearch($event)"
+          (focus)="clearLastSearchTerm()"
+          (clear)="clearLastSearchTerm()"
+          (blur)="onBlur()">
+        </ng-select>
+        <button *ngIf="allowCreateNew" class="btn btn-outline-secondary" type="button" (click)="addItem()" [disabled]="disabled">
+          <svg class="buttonicon" fill="currentColor">
+            <use xlink:href="assets/bootstrap-icons.svg#plus" />
+          </svg>
+        </button>
+        <button *ngIf="showFilter" class="btn btn-outline-secondary" type="button" (click)="onFilterDocuments()" [disabled]="isPrivate || this.value === null" title="{{ filterButtonTitle }}">
+          <svg class="buttonicon" fill="currentColor">
+            <use xlink:href="assets/bootstrap-icons.svg#filter" />
+          </svg>
+        </button>
+      </div>
+      <small *ngIf="hint" class="form-text text-muted">{{hint}}</small>
+      <small *ngIf="getSuggestions().length > 0">
+        <span i18n>Suggestions:</span>&nbsp;
+        <ng-container *ngFor="let s of getSuggestions()">
+          <a (click)="value = s.id; onChange(value)" [routerLink]="[]">{{s.name}}</a>&nbsp;
+        </ng-container>
+      </small>
+    </div>
+  </div>
 </div>
--- a/src-ui/src/app/components/common/input/select/select.component.ts
+++ b/src-ui/src/app/components/common/input/select/select.component.ts
@@ -88,6 +88,12 @@ export class SelectComponent extends AbstractInputComponent<number> {
  @Input()
  showFilter: boolean = false

+  @Input()
+  notFoundText: string = $localize`No items found`
+
+  @Input()
+  disableCreateNew: boolean = false
+
  @Output()
  createNew = new EventEmitter<string>()

@@ -99,7 +105,7 @@ export class SelectComponent extends AbstractInputComponent<number> {
  private _lastSearchTerm: string

  get allowCreateNew(): boolean {
-    return this.createNew.observers.length > 0
+    return !this.disableCreateNew && this.createNew.observers.length > 0
  }

  get isPrivate(): boolean {
--- a/src-ui/src/app/components/common/input/tags/tags.component.html
+++ b/src-ui/src/app/components/common/input/tags/tags.component.html
@@ -1,51 +1,53 @@
-<div class="mb-3 paperless-input-select paperless-input-tags" [class.disabled]="disabled">
-  <label class="form-label" for="tags" i18n>{{title}}</label>
+<div class="mb-3 paperless-input-select paperless-input-tags" [class.disabled]="disabled" [class.pb-3]="suggestions">
+  <div class="row">
+    <div class="d-flex align-items-center" [class.col-md-3]="horizontal">
+      <label class="form-label mb-md-0" for="tags" i18n>{{title}}</label>
+    </div>
+    <div class="position-relative" [class.col-md-9]="horizontal">
+      <div class="input-group flex-nowrap">
+        <ng-select #tagSelect name="tags" [items]="tags" bindLabel="name" bindValue="id" [(ngModel)]="value"
+          [disabled]="disabled"
+          [multiple]="true"
+          [closeOnSelect]="false"
+          [clearSearchOnAdd]="true"
+          [hideSelected]="tags.length > 0"
+          [addTag]="allowCreate ? createTagRef : false"
+          addTagText="Add tag"
+          i18n-addTagText
+          (change)="onChange(value)">

-  <div class="input-group flex-nowrap">
-    <ng-select #tagSelect name="tags" [items]="tags" bindLabel="name" bindValue="id" [(ngModel)]="value"
-      [disabled]="disabled"
-      [multiple]="true"
-      [closeOnSelect]="false"
-      [clearSearchOnAdd]="true"
-      [hideSelected]="tags.length > 0"
-      [addTag]="allowCreate ? createTagRef : false"
-      addTagText="Add tag"
-      i18n-addTagText
-      (change)="onChange(value)">
-
-      <ng-template ng-label-tmp let-item="item">
-        <span class="tag-wrap tag-wrap-delete" (mousedown)="removeTag($event, item.id)">
-          <svg width="1.2em" height="1em" viewBox="0 0 16 16" fill="currentColor" xmlns="http://www.w3.org/2000/svg">
-            <use xlink:href="assets/bootstrap-icons.svg#x"/>
+          <ng-template ng-label-tmp let-item="item">
+            <span class="tag-wrap tag-wrap-delete" (mousedown)="removeTag($event, item.id)">
+              <svg width="1.2em" height="1em" viewBox="0 0 16 16" fill="currentColor" xmlns="http://www.w3.org/2000/svg">
+                <use xlink:href="assets/bootstrap-icons.svg#x"/>
+              </svg>
+              <pngx-tag *ngIf="item.id && tags" style="background-color: none;" [tag]="getTag(item.id)"></pngx-tag>
+            </span>
+          </ng-template>
+          <ng-template ng-option-tmp let-item="item" let-index="index" let-search="searchTerm">
+            <div class="tag-wrap">
+              <pngx-tag *ngIf="item.id && tags" class="me-2" [tag]="getTag(item.id)"></pngx-tag>
+            </div>
+          </ng-template>
+        </ng-select>
+        <button *ngIf="allowCreate" class="btn btn-outline-secondary" type="button" (click)="createTag()" [disabled]="disabled">
+          <svg class="buttonicon" fill="currentColor">
+            <use xlink:href="assets/bootstrap-icons.svg#plus" />
          </svg>
-          <pngx-tag *ngIf="item.id && tags" style="background-color: none;" [tag]="getTag(item.id)"></pngx-tag>
-        </span>
-      </ng-template>
-      <ng-template ng-option-tmp let-item="item" let-index="index" let-search="searchTerm">
-        <div class="tag-wrap">
-          <pngx-tag *ngIf="item.id && tags" class="me-2" [tag]="getTag(item.id)"></pngx-tag>
-        </div>
-      </ng-template>
-    </ng-select>
-    <button *ngIf="allowCreate" class="btn btn-outline-secondary" type="button" (click)="createTag()" [disabled]="disabled">
-      <svg class="buttonicon" fill="currentColor">
-        <use xlink:href="assets/bootstrap-icons.svg#plus" />
-      </svg>
-    </button>
-    <button *ngIf="showFilter" class="btn btn-outline-secondary" type="button" (click)="onFilterDocuments()" [disabled]="hasPrivate || this.value === null" i18n-title title="Filter documents with these Tags">
-      <svg class="buttonicon" fill="currentColor">
-        <use xlink:href="assets/bootstrap-icons.svg#filter" />
-      </svg>
-    </button>
+        </button>
+        <button *ngIf="showFilter" class="btn btn-outline-secondary" type="button" (click)="onFilterDocuments()" [disabled]="hasPrivate || this.value === null" i18n-title title="Filter documents with these Tags">
+          <svg class="buttonicon" fill="currentColor">
+            <use xlink:href="assets/bootstrap-icons.svg#filter" />
+          </svg>
+        </button>
+      </div>
+      <small class="form-text text-muted" *ngIf="hint">{{hint}}</small>
+      <small *ngIf="getSuggestions().length > 0" class="position-absolute top-100">
+        <span i18n>Suggestions:</span>&nbsp;
+        <ng-container *ngFor="let tag of getSuggestions()">
+          <a (click)="addTag(tag.id)" [routerLink]="[]">{{tag?.name}}</a>&nbsp;
+        </ng-container>
+      </small>
+    </div>
  </div>
-  <small class="form-text text-muted" *ngIf="hint">{{hint}}</small>
-  <small *ngIf="getSuggestions().length > 0">
-    <span i18n>Suggestions:</span>&nbsp;
-    <ng-container *ngFor="let tag of getSuggestions()">
-      <a (click)="addTag(tag.id)" [routerLink]="[]">{{tag.name}}</a>&nbsp;
-    </ng-container>
-
-
-  </small>
-
 </div>
--- a/src-ui/src/app/components/common/input/tags/tags.component.ts
+++ b/src-ui/src/app/components/common/input/tags/tags.component.ts
@@ -77,6 +77,9 @@ export class TagsComponent implements OnInit, ControlValueAccessor {
  @Input()
  showFilter: boolean = false

+  @Input()
+  horizontal: boolean = false
+
  @Output()
  filterDocuments = new EventEmitter<PaperlessTag[]>()

--- a/src-ui/src/app/components/common/input/text/text.component.html
+++ b/src-ui/src/app/components/common/input/text/text.component.html
@@ -1,8 +1,19 @@
-<div class="mb-3">
-  <label class="form-label" [for]="inputId">{{title}}</label>
-  <input #inputField type="text" class="form-control" [class.is-invalid]="error" [id]="inputId" [(ngModel)]="value" (change)="onChange(value)" [disabled]="disabled">
-  <small *ngIf="hint" class="form-text text-muted" [innerHTML]="hint | safeHtml"></small>
-  <div class="invalid-feedback">
-    {{error}}
+<div class="mb-3" [class.pb-3]="error">
+  <div class="row">
+    <div class="d-flex align-items-center position-relative hidden-button-container" [class.col-md-3]="horizontal">
+      <label class="form-label mb-md-0" [for]="inputId">{{title}}</label>
+      <button type="button" *ngIf="removable" class="btn btn-sm btn-danger position-absolute left-0" (click)="removed.emit(this)">
+        <svg class="sidebaricon" fill="currentColor">
+          <use xlink:href="assets/bootstrap-icons.svg#x"/>
+        </svg>&nbsp;<ng-container i18n>Remove</ng-container>
+      </button>
+    </div>
+    <div class="position-relative" [class.col-md-9]="horizontal">
+      <input #inputField type="text" class="form-control" [class.is-invalid]="error" [id]="inputId" [(ngModel)]="value" (change)="onChange(value)" [disabled]="disabled">
+      <small *ngIf="hint" class="form-text text-muted" [innerHTML]="hint | safeHtml"></small>
+      <div class="invalid-feedback position-absolute top-100">
+        {{error}}
+      </div>
+    </div>
  </div>
 </div>
--- a/src-ui/src/app/components/common/input/url/url.component.html
+++ b/src-ui/src/app/components/common/input/url/url.component.html
@@ -0,0 +1,26 @@
+<div class="mb-3" [class.pb-3]="error">
+    <div class="row">
+      <div class="d-flex align-items-center position-relative hidden-button-container" [class.col-md-3]="horizontal">
+        <label class="form-label mb-md-0" [for]="inputId">{{title}}</label>
+        <button type="button" *ngIf="removable" class="btn btn-sm btn-danger position-absolute left-0" (click)="removed.emit(this)">
+          <svg class="sidebaricon" fill="currentColor">
+            <use xlink:href="assets/bootstrap-icons.svg#x"/>
+          </svg>&nbsp;<ng-container i18n>Remove</ng-container>
+        </button>
+      </div>
+      <div [class.col-md-9]="horizontal">
+        <div class="input-group" [class.is-invalid]="error">
+          <input #inputField type="url" class="form-control" [class.is-invalid]="error" placeholder="https://" [id]="inputId" [(ngModel)]="value" (change)="onChange(value)" [disabled]="disabled">
+          <a class="btn btn-outline-secondary rounded-end" title="Open link" i18n-title [href]="value" target="_blank">
+            <svg class="buttonicon mb-1" fill="currentColor">
+              <use xlink:href="assets/bootstrap-icons.svg#box-arrow-up-right" />
+            </svg>
+          </a>
+          <div class="invalid-feedback position-absolute top-100">
+            {{error}}
+          </div>
+        </div>
+        <small *ngIf="hint" class="form-text text-muted" [innerHTML]="hint | safeHtml"></small>
+      </div>
+    </div>
+  </div>
--- a/src-ui/src/app/components/common/input/url/url.component.scss
+++ b/src-ui/src/app/components/common/input/url/url.component.scss
--- a/src-ui/src/app/components/common/input/url/url.component.spec.ts
+++ b/src-ui/src/app/components/common/input/url/url.component.spec.ts
@@ -0,0 +1,36 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing'
+import {
+  FormsModule,
+  ReactiveFormsModule,
+  NG_VALUE_ACCESSOR,
+} from '@angular/forms'
+import { UrlComponent } from './url.component'
+
+describe('TextComponent', () => {
+  let component: UrlComponent
+  let fixture: ComponentFixture<UrlComponent>
+  let input: HTMLInputElement
+
+  beforeEach(async () => {
+    TestBed.configureTestingModule({
+      declarations: [UrlComponent],
+      providers: [],
+      imports: [FormsModule, ReactiveFormsModule],
+    }).compileComponents()
+
+    fixture = TestBed.createComponent(UrlComponent)
+    fixture.debugElement.injector.get(NG_VALUE_ACCESSOR)
+    component = fixture.componentInstance
+    fixture.detectChanges()
+    input = component.inputField.nativeElement
+  })
+
+  it('should support use of input field', () => {
+    expect(component.value).toBeUndefined()
+    // TODO: why doesnt this work?
+    // input.value = 'foo'
+    // input.dispatchEvent(new Event('change'))
+    // fixture.detectChanges()
+    // expect(component.value).toEqual('foo')
+  })
+})
--- a/src-ui/src/app/components/common/input/url/url.component.ts
+++ b/src-ui/src/app/components/common/input/url/url.component.ts
@@ -0,0 +1,21 @@
+import { Component, forwardRef } from '@angular/core'
+import { NG_VALUE_ACCESSOR } from '@angular/forms'
+import { AbstractInputComponent } from '../abstract-input'
+
+@Component({
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => UrlComponent),
+      multi: true,
+    },
+  ],
+  selector: 'pngx-input-url',
+  templateUrl: './url.component.html',
+  styleUrls: ['./url.component.scss'],
+})
+export class UrlComponent extends AbstractInputComponent<string> {
+  constructor() {
+    super()
+  }
+}
--- a/src-ui/src/app/components/common/page-header/page-header.component.scss
+++ b/src-ui/src/app/components/common/page-header/page-header.component.scss
@@ -1,9 +1,9 @@
-.h2 {
+h3 {
    min-height: calc(1.325rem + 0.9vw);
 }

@media (min-width: 1200px) {
-    .h2 {
+    h3 {
        min-height: 2.8rem;
    }
 }
--- a/src-ui/src/app/components/common/share-links-dropdown/share-links-dropdown.component.html
+++ b/src-ui/src/app/components/common/share-links-dropdown/share-links-dropdown.component.html
@@ -1,5 +1,5 @@
 <div ngbDropdown>
-    <button class="btn btn-sm btn-outline-primary me-2" id="shareLinksDropdown" [disabled]="disabled" ngbDropdownToggle>
+    <button class="btn btn-sm btn-outline-primary" id="shareLinksDropdown" [disabled]="disabled" ngbDropdownToggle>
      <svg class="toolbaricon" fill="currentColor">
        <use xlink:href="assets/bootstrap-icons.svg#link" />
      </svg>
--- a/src-ui/src/app/components/document-detail/document-detail.component.html
+++ b/src-ui/src/app/components/document-detail/document-detail.component.html
@@ -26,7 +26,7 @@
        </div>
    </div>

-    <div ngbDropdown>
+    <div class="ms-auto" ngbDropdown>
        <button class="btn btn-sm btn-outline-primary me-2" id="actionsDropdown" ngbDropdownToggle>
          <svg class="toolbaricon" fill="currentColor">
            <use xlink:href="assets/bootstrap-icons.svg#three-dots" />
@@ -48,59 +48,88 @@
        </div>
    </div>

+    <pngx-custom-fields-dropdown
+        *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.CustomField }"
+        class="me-2"
+        [documentId]="documentId"
+        [disabled]="!userIsOwner"
+        [existingFields]="document?.custom_fields"
+        (created)="refreshCustomFields()"
+        (added)="addField($event)">
+    </pngx-custom-fields-dropdown>
+
    <pngx-share-links-dropdown [documentId]="documentId" [disabled]="!userIsOwner" *pngxIfPermissions="{ action: PermissionAction.Add, type: PermissionType.ShareLink }"></pngx-share-links-dropdown>
-
-    <button type="button" class="btn btn-sm btn-outline-primary me-2" i18n-title title="Close" (click)="close()">
-        <svg class="buttonicon" fill="currentColor">
-            <use xlink:href="assets/bootstrap-icons.svg#x" />
-        </svg>
-    </button>
-
-    <div class="button-group">
-        <button type="button" class="btn btn-sm btn-outline-primary me-2" i18n-title title="Previous" (click)="previousDoc()" [disabled]="!hasPrevious()">
-            <svg class="buttonicon" fill="currentColor">
-                <use xlink:href="assets/bootstrap-icons.svg#arrow-left" />
-            </svg>
-        </button>
-        <button type="button" class="btn btn-sm btn-outline-primary"  i18n-title title="Next" (click)="nextDoc()" [disabled]="!hasNext()">
-            <svg class="buttonicon" fill="currentColor">
-                <use xlink:href="assets/bootstrap-icons.svg#arrow-right" />
-            </svg>
-        </button>
-    </div>
-
 </pngx-page-header>

-
 <div class="row">
    <div class="col-md-6 col-xl-4 mb-4">

        <form [formGroup]='documentForm' (ngSubmit)="save()">

-            <ul ngbNav #nav="ngbNav" class="nav-tabs" (navChange)="onNavChange($event)" [(activeId)]="activeNavID">
+            <div class="btn-toolbar mb-1 pb-3 border-bottom">
+                <div class="btn-group">
+                    <button type="button" class="btn btn-sm btn-outline-secondary" i18n-title title="Close" (click)="close()">
+                        <svg class="buttonicon" fill="currentColor">
+                            <use xlink:href="assets/bootstrap-icons.svg#x" />
+                        </svg>
+                    </button>
+                    <button type="button" class="btn btn-sm btn-outline-secondary" i18n-title title="Previous" (click)="previousDoc()" [disabled]="!hasPrevious()">
+                        <svg class="buttonicon" fill="currentColor">
+                            <use xlink:href="assets/bootstrap-icons.svg#arrow-left" />
+                        </svg>
+                    </button>
+                    <button type="button" class="btn btn-sm btn-outline-secondary"  i18n-title title="Next" (click)="nextDoc()" [disabled]="!hasNext()">
+                        <svg class="buttonicon" fill="currentColor">
+                            <use xlink:href="assets/bootstrap-icons.svg#arrow-right" />
+                        </svg>
+                    </button>
+                </div>
+
+                <div class="btn-group ms-auto">
+                    <button type="button" class="btn btn-sm btn-outline-secondary" (click)="discard()" i18n [disabled]="!userCanEdit || networkActive || (isDirty$ | async) !== true">Discard</button>
+                    <ng-container *pngxIfPermissions="{ action: PermissionAction.Change, type: PermissionType.Document }">
+                        <button *ngIf="hasNext()" type="button" class="btn btn-sm btn-outline-primary" (click)="saveEditNext()" i18n [disabled]="!userCanEdit || networkActive || (isDirty$ | async) !== true">Save &amp; next</button>
+                        <button *ngIf="!hasNext()" type="button" class="btn btn-sm btn-outline-primary" (click)="save(true)" i18n [disabled]="!userCanEdit || networkActive || (isDirty$ | async) !== true">Save &amp; close</button>
+                        <button type="submit" class="btn btn-sm btn-primary" i18n [disabled]="!userCanEdit || networkActive || (isDirty$ | async) !== true">Save</button>
+                    </ng-container>
+                </div>
+            </div>
+
+            <ul ngbNav #nav="ngbNav" class="nav-underline flex-nowrap flex-md-wrap overflow-auto" (navChange)="onNavChange($event)" [(activeId)]="activeNavID">
                <li [ngbNavItem]="DocumentDetailNavIDs.Details">
                    <a ngbNavLink i18n>Details</a>
                    <ng-template ngbNavContent>
-
-                        <pngx-input-text #inputTitle i18n-title title="Title" formControlName="title" (keyup)="titleKeyUp($event)" [error]="error?.title"></pngx-input-text>
-                        <pngx-input-number i18n-title title="Archive serial number" [error]="error?.archive_serial_number" formControlName='archive_serial_number'></pngx-input-number>
-                        <pngx-input-date i18n-title title="Date created" formControlName="created_date" [suggestions]="suggestions?.dates" [showFilter]="true" (filterDocuments)="filterDocuments($event)"
-                            [error]="error?.created_date"></pngx-input-date>
-                        <pngx-input-select [items]="correspondents" i18n-title title="Correspondent" formControlName="correspondent" [allowNull]="true" [showFilter]="true" (filterDocuments)="filterDocuments($event)"
-                            (createNew)="createCorrespondent($event)" [suggestions]="suggestions?.correspondents" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.Correspondent }"></pngx-input-select>
-                        <pngx-input-select [items]="documentTypes" i18n-title title="Document type" formControlName="document_type" [allowNull]="true" [showFilter]="true" (filterDocuments)="filterDocuments($event)"
-                            (createNew)="createDocumentType($event)" [suggestions]="suggestions?.document_types" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.DocumentType }"></pngx-input-select>
-                        <pngx-input-select [items]="storagePaths" i18n-title title="Storage path" formControlName="storage_path" [allowNull]="true" [showFilter]="true" (filterDocuments)="filterDocuments($event)"
-                            (createNew)="createStoragePath($event)" [suggestions]="suggestions?.storage_paths" i18n-placeholder placeholder="Default" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.StoragePath }"></pngx-input-select>
-                        <pngx-input-tags formControlName="tags" [suggestions]="suggestions?.tags" [showFilter]="true" (filterDocuments)="filterDocuments($event)" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.Tag }"></pngx-input-tags>
-
+                        <div>
+                            <pngx-input-text #inputTitle i18n-title title="Title" formControlName="title" [horizontal]="true" (keyup)="titleKeyUp($event)" [error]="error?.title"></pngx-input-text>
+                            <pngx-input-number i18n-title title="Archive serial number" [error]="error?.archive_serial_number" [horizontal]="true" formControlName='archive_serial_number'></pngx-input-number>
+                            <pngx-input-date i18n-title title="Date created" formControlName="created_date" [suggestions]="suggestions?.dates" [showFilter]="true" [horizontal]="true" (filterDocuments)="filterDocuments($event)"
+                                [error]="error?.created_date"></pngx-input-date>
+                            <pngx-input-select [items]="correspondents" i18n-title title="Correspondent" formControlName="correspondent" [allowNull]="true" [showFilter]="true" [horizontal]="true" (filterDocuments)="filterDocuments($event)"
+                                (createNew)="createCorrespondent($event)" [suggestions]="suggestions?.correspondents" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.Correspondent }"></pngx-input-select>
+                            <pngx-input-select [items]="documentTypes" i18n-title title="Document type" formControlName="document_type" [allowNull]="true" [showFilter]="true" [horizontal]="true" (filterDocuments)="filterDocuments($event)"
+                                (createNew)="createDocumentType($event)" [suggestions]="suggestions?.document_types" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.DocumentType }"></pngx-input-select>
+                            <pngx-input-select [items]="storagePaths" i18n-title title="Storage path" formControlName="storage_path" [allowNull]="true" [showFilter]="true" [horizontal]="true" (filterDocuments)="filterDocuments($event)"
+                                (createNew)="createStoragePath($event)" [suggestions]="suggestions?.storage_paths" i18n-placeholder placeholder="Default" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.StoragePath }"></pngx-input-select>
+                            <pngx-input-tags formControlName="tags" [suggestions]="suggestions?.tags" [showFilter]="true" [horizontal]="true" (filterDocuments)="filterDocuments($event)" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.Tag }"></pngx-input-tags>
+                            <ng-container *ngFor="let fieldInstance of document?.custom_fields; let i = index">
+                                <div [formGroup]="customFieldFormFields.controls[i]">
+                                    <pngx-input-text formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.String" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [error]="getCustomFieldError(i)"></pngx-input-text>
+                                    <pngx-input-date formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Date" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [error]="getCustomFieldError(i)"></pngx-input-date>
+                                    <pngx-input-number formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Integer" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [showAdd]="false" [error]="getCustomFieldError(i)"></pngx-input-number>
+                                    <pngx-input-number formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Float" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [showAdd]="false" [step]=".1" [error]="getCustomFieldError(i)"></pngx-input-number>
+                                    <pngx-input-number formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Monetary" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [showAdd]="false" [step]=".01" [error]="getCustomFieldError(i)"></pngx-input-number>
+                                    <pngx-input-check formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Boolean" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true"></pngx-input-check>
+                                    <pngx-input-url formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Url" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [error]="getCustomFieldError(i)"></pngx-input-url>
+                                </div>
+                            </ng-container>
+                        </div>
                    </ng-template>
                </li>

                <li [ngbNavItem]="DocumentDetailNavIDs.Content">
                    <a ngbNavLink i18n>Content</a>
                    <ng-template ngbNavContent>
-                        <div class="mb-3">
+                        <div>
                            <textarea class="form-control" id="content" rows="20" formControlName='content' [class.rtl]="isRTL"></textarea>
                        </div>
                    </ng-template>
@@ -198,16 +227,8 @@
                </li>
            </ul>

-            <div [ngbNavOutlet]="nav" class="mt-2"></div>
+            <div [ngbNavOutlet]="nav" class="mt-3"></div>

-            <ng-container>
-                <button type="button" class="btn btn-outline-secondary me-2" (click)="discard()" i18n [disabled]="!userCanEdit || networkActive || (isDirty$ | async) !== true">Discard</button>
-                <ng-container *pngxIfPermissions="{ action: PermissionAction.Change, type: PermissionType.Document }">
-                    <button *ngIf="hasNext()" type="button" class="btn btn-outline-primary me-2" (click)="saveEditNext()" i18n [disabled]="!userCanEdit || networkActive || (isDirty$ | async) !== true">Save &amp; next</button>
-                    <button *ngIf="!hasNext()" type="button" class="btn btn-outline-primary me-2" (click)="save(true)" i18n [disabled]="!userCanEdit || networkActive || (isDirty$ | async) !== true">Save &amp; close</button>
-                    <button type="submit" class="btn btn-primary" i18n [disabled]="!userCanEdit || networkActive || (isDirty$ | async) !== true">Save</button>
-                </ng-container>
-            </ng-container>
        </form>
    </div>

--- a/src-ui/src/app/components/document-detail/document-detail.component.spec.ts
+++ b/src-ui/src/app/components/document-detail/document-detail.component.spec.ts
@@ -67,6 +67,9 @@ import { PageHeaderComponent } from '../common/page-header/page-header.component
 import { DocumentNotesComponent } from '../document-notes/document-notes.component'
 import { DocumentDetailComponent } from './document-detail.component'
 import { ShareLinksDropdownComponent } from '../common/share-links-dropdown/share-links-dropdown.component'
+import { CustomFieldsDropdownComponent } from '../common/custom-fields-dropdown/custom-fields-dropdown.component'
+import { PaperlessCustomFieldDataType } from 'src/app/data/paperless-custom-field'
+import { CustomFieldsService } from 'src/app/services/rest/custom-fields.service'

 const doc: PaperlessDocument = {
  id: 3,
@@ -94,8 +97,31 @@ const doc: PaperlessDocument = {
      user: 2,
    },
  ],
+  custom_fields: [
+    {
+      field: 0,
+      document: 3,
+      created: new Date(),
+      value: 'custom foo bar',
+    },
+  ],
 }

+const customFields = [
+  {
+    id: 0,
+    name: 'Field 1',
+    data_type: PaperlessCustomFieldDataType.String,
+    created: new Date(),
+  },
+  {
+    id: 1,
+    name: 'Custom Field 2',
+    data_type: PaperlessCustomFieldDataType.Integer,
+    created: new Date(),
+  },
+]
+
 describe('DocumentDetailComponent', () => {
  let component: DocumentDetailComponent
  let fixture: ComponentFixture<DocumentDetailComponent>
@@ -107,6 +133,7 @@ describe('DocumentDetailComponent', () => {
  let toastService: ToastService
  let documentListViewService: DocumentListViewService
  let settingsService: SettingsService
+  let customFieldsService: CustomFieldsService

  let currentUserCan = true
  let currentUserHasObjectPermissions = true
@@ -136,6 +163,7 @@ describe('DocumentDetailComponent', () => {
        PdfViewerComponent,
        SafeUrlPipe,
        ShareLinksDropdownComponent,
+        CustomFieldsDropdownComponent,
      ],
      providers: [
        DocumentTitlePipe,
@@ -199,6 +227,7 @@ describe('DocumentDetailComponent', () => {
              }),
          },
        },
+        CustomFieldsService,
        {
          provide: PermissionsService,
          useValue: {
@@ -234,6 +263,7 @@ describe('DocumentDetailComponent', () => {
    toastService = TestBed.inject(ToastService)
    documentListViewService = TestBed.inject(DocumentListViewService)
    settingsService = TestBed.inject(SettingsService)
+    customFieldsService = TestBed.inject(CustomFieldsService)
    fixture = TestBed.createComponent(DocumentDetailComponent)
    component = fixture.componentInstance
  })
@@ -290,6 +320,13 @@ describe('DocumentDetailComponent', () => {
  it('should load already-opened document via param', () => {
    jest.spyOn(documentService, 'get').mockReturnValueOnce(of(doc))
    jest.spyOn(openDocumentsService, 'getOpenDocument').mockReturnValue(doc)
+    jest.spyOn(customFieldsService, 'listAll').mockReturnValue(
+      of({
+        count: customFields.length,
+        all: customFields.map((f) => f.id),
+        results: customFields,
+      })
+    )
    fixture.detectChanges() // calls ngOnInit
    expect(component.document).toEqual(doc)
  })
@@ -797,12 +834,92 @@ describe('DocumentDetailComponent', () => {
    expect(toastSpy).toHaveBeenCalledWith('Error retrieving metadata', error)
  })

+  it('should display custom fields', () => {
+    initNormally()
+    expect(fixture.debugElement.nativeElement.textContent).toContain(
+      customFields[0].name
+    )
+  })
+
+  it('should support add custom field, correctly send via post', () => {
+    initNormally()
+    const initialLength = doc.custom_fields.length
+    expect(component.customFieldFormFields).toHaveLength(initialLength)
+    component.addField(customFields[1])
+    fixture.detectChanges()
+    expect(component.document.custom_fields).toHaveLength(initialLength + 1)
+    expect(component.customFieldFormFields).toHaveLength(initialLength + 1)
+    expect(fixture.debugElement.nativeElement.textContent).toContain(
+      customFields[1].name
+    )
+    const updateSpy = jest.spyOn(documentService, 'update')
+    component.save(true)
+    expect(updateSpy.mock.lastCall[0].custom_fields).toHaveLength(2)
+    expect(updateSpy.mock.lastCall[0].custom_fields[1]).toEqual({
+      field: customFields[1].id,
+      value: null,
+    })
+  })
+
+  it('should support remove custom field, correctly send via post', () => {
+    initNormally()
+    const initialLength = doc.custom_fields.length
+    expect(component.customFieldFormFields).toHaveLength(initialLength)
+    component.removeField(doc.custom_fields[0])
+    fixture.detectChanges()
+    expect(component.document.custom_fields).toHaveLength(initialLength - 1)
+    expect(component.customFieldFormFields).toHaveLength(initialLength - 1)
+    expect(fixture.debugElement.nativeElement.textContent).not.toContain(
+      'Field 1'
+    )
+    const updateSpy = jest.spyOn(documentService, 'update')
+    component.save(true)
+    expect(updateSpy.mock.lastCall[0].custom_fields).toHaveLength(
+      initialLength - 1
+    )
+  })
+
+  it('should show custom field errors', () => {
+    initNormally()
+    component.error = {
+      custom_fields: [
+        {},
+        {},
+        { value: ['This field may not be null.'] },
+        {},
+        { non_field_errors: ['Enter a valid URL.'] },
+      ],
+    }
+    expect(component.getCustomFieldError(2)).toEqual([
+      'This field may not be null.',
+    ])
+    expect(component.getCustomFieldError(4)).toEqual(['Enter a valid URL.'])
+  })
+
+  it('should refresh custom fields when created', () => {
+    initNormally()
+    const refreshSpy = jest.spyOn(component, 'refreshCustomFields')
+    fixture.debugElement
+      .query(By.directive(CustomFieldsDropdownComponent))
+      .triggerEventHandler('created')
+    expect(refreshSpy).toHaveBeenCalled()
+  })
+
  function initNormally() {
-    jest.spyOn(documentService, 'get').mockReturnValueOnce(of(doc))
+    jest
+      .spyOn(documentService, 'get')
+      .mockReturnValueOnce(of(Object.assign({}, doc)))
    jest.spyOn(openDocumentsService, 'getOpenDocument').mockReturnValue(null)
    jest
      .spyOn(openDocumentsService, 'openDocument')
      .mockReturnValueOnce(of(true))
+    jest.spyOn(customFieldsService, 'listAll').mockReturnValue(
+      of({
+        count: customFields.length,
+        all: customFields.map((f) => f.id),
+        results: customFields,
+      })
+    )
    fixture.detectChanges()
  }
 })
--- a/src-ui/src/app/components/document-detail/document-detail.component.ts
+++ b/src-ui/src/app/components/document-detail/document-detail.component.ts
@@ -1,5 +1,5 @@
 import { Component, OnInit, OnDestroy, ViewChild } from '@angular/core'
-import { FormControl, FormGroup } from '@angular/forms'
+import { FormArray, FormControl, FormGroup } from '@angular/forms'
 import { ActivatedRoute, Router } from '@angular/router'
 import {
  NgbDateStruct,
@@ -63,7 +63,12 @@ import { EditDialogMode } from '../common/edit-dialog/edit-dialog.component'
 import { ObjectWithId } from 'src/app/data/object-with-id'
 import { FilterRule } from 'src/app/data/filter-rule'
 import { ISODateAdapter } from 'src/app/utils/ngb-iso-date-adapter'
-import { ShareLinksDropdownComponent } from '../common/share-links-dropdown/share-links-dropdown.component'
+import {
+  PaperlessCustomField,
+  PaperlessCustomFieldDataType,
+} from 'src/app/data/paperless-custom-field'
+import { PaperlessCustomFieldInstance } from 'src/app/data/paperless-custom-field-instance'
+import { CustomFieldsService } from 'src/app/services/rest/custom-fields.service'

 enum DocumentDetailNavIDs {
  Details = 1,
@@ -120,6 +125,7 @@ export class DocumentDetailComponent
    archive_serial_number: new FormControl(),
    tags: new FormControl([]),
    permissions_form: new FormControl(null),
+    custom_fields: new FormArray([]),
  })

  previewCurrentPage: number = 1
@@ -135,6 +141,9 @@ export class DocumentDetailComponent

  ogDate: Date

+  customFields: PaperlessCustomField[]
+  public readonly PaperlessCustomFieldDataType = PaperlessCustomFieldDataType
+
  @ViewChild('nav') nav: NgbNav
  @ViewChild('pdfPreview') set pdfPreview(element) {
    // this gets called when compontent added or removed from DOM
@@ -166,6 +175,7 @@ export class DocumentDetailComponent
    private storagePathService: StoragePathService,
    private permissionsService: PermissionsService,
    private userService: UserService,
+    private customFieldsService: CustomFieldsService,
    private http: HttpClient
  ) {
    super()
@@ -232,6 +242,8 @@ export class DocumentDetailComponent
      .pipe(first(), takeUntil(this.unsubscribeNotifier))
      .subscribe((result) => (this.users = result.results))

+    this.getCustomFields()
+
    this.route.paramMap
      .pipe(
        takeUntil(this.unsubscribeNotifier),
@@ -324,6 +336,7 @@ export class DocumentDetailComponent
              owner: doc.owner,
              set_permissions: doc.permissions,
            },
+            custom_fields: doc.custom_fields,
          })

          this.isDirty$ = dirtyCheck(
@@ -385,6 +398,8 @@ export class DocumentDetailComponent
  updateComponent(doc: PaperlessDocument) {
    this.document = doc
    this.requiresPassword = false
+    // this.customFields = doc.custom_fields.concat([])
+    this.updateFormForCustomFields()
    this.documentsService
      .getMetadata(doc.id)
      .pipe(first())
@@ -433,6 +448,10 @@ export class DocumentDetailComponent
    if (!this.userCanEdit) this.documentForm.disable()
  }

+  get customFieldFormFields(): FormArray {
+    return this.documentForm.get('custom_fields') as FormArray
+  }
+
  createDocumentType(newName: string) {
    var modal = this.modalService.open(DocumentTypeEditDialogComponent, {
      backdrop: 'static',
@@ -510,6 +529,7 @@ export class DocumentDetailComponent
            set_permissions: doc.permissions,
          }
          this.title = doc.title
+          this.updateFormForCustomFields()
          this.documentForm.patchValue(doc)
          this.openDocumentService.setDirty(doc, false)
        },
@@ -533,6 +553,7 @@ export class DocumentDetailComponent
          close && this.close()
          this.networkActive = false
          this.error = null
+          this.openDocumentService.refreshDocument(this.documentId)
        },
        error: (error) => {
          this.networkActive = false
@@ -819,4 +840,61 @@ export class DocumentDetailComponent

    this.documentListViewService.quickFilter(filterRules)
  }
+
+  private getCustomFields() {
+    this.customFieldsService
+      .listAll()
+      .pipe(first(), takeUntil(this.unsubscribeNotifier))
+      .subscribe((result) => (this.customFields = result.results))
+  }
+
+  public refreshCustomFields() {
+    this.customFieldsService.clearCache()
+    this.getCustomFields()
+  }
+
+  public getCustomFieldFromInstance(
+    instance: PaperlessCustomFieldInstance
+  ): PaperlessCustomField {
+    return this.customFields?.find((f) => f.id === instance.field)
+  }
+
+  public getCustomFieldError(index: number) {
+    const fieldError = this.error?.custom_fields?.[index]
+    return fieldError?.['non_field_errors'] ?? fieldError?.['value']
+  }
+
+  private updateFormForCustomFields(emitEvent: boolean = false) {
+    this.customFieldFormFields.clear({ emitEvent: false })
+    this.document.custom_fields?.forEach((fieldInstance) => {
+      this.customFieldFormFields.push(
+        new FormGroup({
+          field: new FormControl(
+            this.getCustomFieldFromInstance(fieldInstance)?.id
+          ),
+          value: new FormControl(fieldInstance.value),
+        }),
+        { emitEvent }
+      )
+    })
+  }
+
+  public addField(field: PaperlessCustomField) {
+    this.document.custom_fields.push({
+      field: field.id,
+      value: null,
+      document: this.documentId,
+      created: new Date(),
+    })
+    this.updateFormForCustomFields(true)
+  }
+
+  public removeField(fieldInstance: PaperlessCustomFieldInstance) {
+    this.document.custom_fields.splice(
+      this.document.custom_fields.indexOf(fieldInstance),
+      1
+    )
+    this.updateFormForCustomFields(true)
+    this.documentForm.updateValueAndValidity()
+  }
 }
--- a/src-ui/src/app/components/document-list/filter-editor/filter-editor.component.spec.ts
+++ b/src-ui/src/app/components/document-list/filter-editor/filter-editor.component.spec.ts
@@ -46,6 +46,7 @@ import {
  FILTER_OWNER_ANY,
  FILTER_OWNER_DOES_NOT_INCLUDE,
  FILTER_OWNER_ISNULL,
+  FILTER_CUSTOM_FIELDS,
 } from 'src/app/data/filter-rule-type'
 import { PaperlessCorrespondent } from 'src/app/data/paperless-correspondent'
 import { PaperlessDocumentType } from 'src/app/data/paperless-document-type'
@@ -240,6 +241,18 @@ describe('FilterEditorComponent', () => {
    expect(component.textFilterTarget).toEqual('asn') // TEXT_FILTER_TARGET_ASN
  }))

+  it('should ingest text filter rules for custom fields', fakeAsync(() => {
+    expect(component.textFilter).toEqual(null)
+    component.filterRules = [
+      {
+        rule_type: FILTER_CUSTOM_FIELDS,
+        value: 'foo',
+      },
+    ]
+    expect(component.textFilter).toEqual('foo')
+    expect(component.textFilterTarget).toEqual('custom-fields') // TEXT_FILTER_TARGET_CUSTOM_FIELDS
+  }))
+
  it('should ingest text filter rules for doc asn is null', fakeAsync(() => {
    expect(component.textFilterTarget).toEqual('title-content')
    expect(component.textFilterModifier).toEqual('equals') // TEXT_FILTER_MODIFIER_EQUALS
@@ -956,12 +969,30 @@ describe('FilterEditorComponent', () => {
    ])
  }))

-  it('should convert user input to correct filter rules on full text query', fakeAsync(() => {
+  it('should convert user input to correct filter rules on custom fields query', fakeAsync(() => {
    component.textFilterInput.nativeElement.value = 'foo'
    component.textFilterInput.nativeElement.dispatchEvent(new Event('input'))
    const textFieldTargetDropdown = fixture.debugElement.queryAll(
      By.directive(NgbDropdownItem)
    )[3]
+    textFieldTargetDropdown.triggerEventHandler('click') // TEXT_FILTER_TARGET_CUSTOM_FIELDS
+    fixture.detectChanges()
+    tick(400)
+    expect(component.textFilterTarget).toEqual('custom-fields')
+    expect(component.filterRules).toEqual([
+      {
+        rule_type: FILTER_CUSTOM_FIELDS,
+        value: 'foo',
+      },
+    ])
+  }))
+
+  it('should convert user input to correct filter rules on full text query', fakeAsync(() => {
+    component.textFilterInput.nativeElement.value = 'foo'
+    component.textFilterInput.nativeElement.dispatchEvent(new Event('input'))
+    const textFieldTargetDropdown = fixture.debugElement.queryAll(
+      By.directive(NgbDropdownItem)
+    )[4]
    textFieldTargetDropdown.triggerEventHandler('click') // TEXT_FILTER_TARGET_ASN
    fixture.detectChanges()
    tick(400)
--- a/src-ui/src/app/components/document-list/filter-editor/filter-editor.component.ts
+++ b/src-ui/src/app/components/document-list/filter-editor/filter-editor.component.ts
@@ -48,6 +48,7 @@ import {
  FILTER_OWNER_DOES_NOT_INCLUDE,
  FILTER_OWNER_ISNULL,
  FILTER_OWNER_ANY,
+  FILTER_CUSTOM_FIELDS,
 } from 'src/app/data/filter-rule-type'
 import {
  FilterableDropdownSelectionModel,
@@ -74,6 +75,7 @@ const TEXT_FILTER_TARGET_TITLE_CONTENT = 'title-content'
 const TEXT_FILTER_TARGET_ASN = 'asn'
 const TEXT_FILTER_TARGET_FULLTEXT_QUERY = 'fulltext-query'
 const TEXT_FILTER_TARGET_FULLTEXT_MORELIKE = 'fulltext-morelike'
+const TEXT_FILTER_TARGET_CUSTOM_FIELDS = 'custom-fields'

 const TEXT_FILTER_MODIFIER_EQUALS = 'equals'
 const TEXT_FILTER_MODIFIER_NULL = 'is null'
@@ -204,6 +206,10 @@ export class FilterEditorComponent implements OnInit, OnDestroy {
        name: $localize`Title & content`,
      },
      { id: TEXT_FILTER_TARGET_ASN, name: $localize`ASN` },
+      {
+        id: TEXT_FILTER_TARGET_CUSTOM_FIELDS,
+        name: $localize`Custom fields`,
+      },
      {
        id: TEXT_FILTER_TARGET_FULLTEXT_QUERY,
        name: $localize`Advanced search`,
@@ -321,6 +327,10 @@ export class FilterEditorComponent implements OnInit, OnDestroy {
          this._textFilter = rule.value
          this.textFilterTarget = TEXT_FILTER_TARGET_ASN
          break
+        case FILTER_CUSTOM_FIELDS:
+          this._textFilter = rule.value
+          this.textFilterTarget = TEXT_FILTER_TARGET_CUSTOM_FIELDS
+          break
        case FILTER_FULLTEXT_QUERY:
          let allQueryArgs = rule.value.split(',')
          let textQueryArgs = []
@@ -552,6 +562,15 @@ export class FilterEditorComponent implements OnInit, OnDestroy {
        })
      }
    }
+    if (
+      this._textFilter &&
+      this.textFilterTarget == TEXT_FILTER_TARGET_CUSTOM_FIELDS
+    ) {
+      filterRules.push({
+        rule_type: FILTER_CUSTOM_FIELDS,
+        value: this._textFilter,
+      })
+    }
    if (
      this._textFilter &&
      this.textFilterTarget == TEXT_FILTER_TARGET_FULLTEXT_QUERY
--- a/src-ui/src/app/components/manage/custom-fields/custom-fields.component.html
+++ b/src-ui/src/app/components/manage/custom-fields/custom-fields.component.html
@@ -0,0 +1,41 @@
+<pngx-page-header title="Custom Fields">
+    <button type="button" class="btn btn-sm btn-outline-primary ms-4" (click)="editField()" *pngxIfPermissions="{ action: PermissionAction.Add, type: PermissionType.CustomField }">
+      <svg class="sidebaricon me-1" fill="currentColor">
+        <use xlink:href="assets/bootstrap-icons.svg#plus-circle" />
+      </svg>
+      <ng-container i18n>Add Field</ng-container>
+    </button>
+</pngx-page-header>
+
+<ul class="list-group">
+
+    <li class="list-group-item">
+        <div class="row">
+            <div class="col" i18n>Name</div>
+            <div class="col" i18n>Data Type</div>
+            <div class="col" i18n>Actions</div>
+        </div>
+    </li>
+
+    <li *ngFor="let field of fields" class="list-group-item">
+        <div class="row">
+            <div class="col d-flex align-items-center"><button class="btn btn-link p-0" type="button" (click)="editField(field)" [disabled]="!permissionsService.currentUserCan(PermissionAction.Change, PermissionType.CustomField)">{{field.name}}</button></div>
+            <div class="col d-flex align-items-center">{{getDataType(field)}}</div>
+            <div class="col">
+                <div class="btn-group">
+                    <button *pngxIfPermissions="{ action: PermissionAction.Change, type: PermissionType.CustomField }" class="btn btn-sm btn-outline-secondary" type="button" (click)="editField(field)">
+                    <svg class="buttonicon-sm" fill="currentColor">
+                        <use xlink:href="assets/bootstrap-icons.svg#pencil" />
+                      </svg>&nbsp;<ng-container i18n>Edit</ng-container>
+                    </button>
+                    <button *pngxIfPermissions="{ action: PermissionAction.Delete, type: PermissionType.CustomField }" class="btn btn-sm btn-outline-danger" type="button" (click)="deleteField(field)">
+                        <svg class="buttonicon-sm" fill="currentColor">
+                            <use xlink:href="assets/bootstrap-icons.svg#trash" />
+                        </svg>&nbsp;<ng-container i18n>Delete</ng-container>
+                    </button>
+                </div>
+            </div>
+        </div>
+    </li>
+    <li *ngIf="fields.length === 0" class="list-group-item" i18n>No fields defined.</li>
+</ul>
--- a/src-ui/src/app/components/manage/custom-fields/custom-fields.component.scss
+++ b/src-ui/src/app/components/manage/custom-fields/custom-fields.component.scss
--- a/src-ui/src/app/components/manage/custom-fields/custom-fields.component.spec.ts
+++ b/src-ui/src/app/components/manage/custom-fields/custom-fields.component.spec.ts
@@ -0,0 +1,162 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing'
+
+import { CustomFieldsComponent } from './custom-fields.component'
+import {
+  PaperlessCustomField,
+  PaperlessCustomFieldDataType,
+} from 'src/app/data/paperless-custom-field'
+import { CustomFieldsService } from 'src/app/services/rest/custom-fields.service'
+import { HttpClientTestingModule } from '@angular/common/http/testing'
+import { FormsModule, ReactiveFormsModule } from '@angular/forms'
+import { By } from '@angular/platform-browser'
+import {
+  NgbModal,
+  NgbPaginationModule,
+  NgbModalModule,
+  NgbModalRef,
+} from '@ng-bootstrap/ng-bootstrap'
+import { of, throwError } from 'rxjs'
+import { IfPermissionsDirective } from 'src/app/directives/if-permissions.directive'
+import { PermissionsService } from 'src/app/services/permissions.service'
+import { ToastService } from 'src/app/services/toast.service'
+import { ConfirmDialogComponent } from '../../common/confirm-dialog/confirm-dialog.component'
+import { PageHeaderComponent } from '../../common/page-header/page-header.component'
+import { CustomFieldEditDialogComponent } from '../../common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component'
+
+const fields: PaperlessCustomField[] = [
+  {
+    id: 0,
+    name: 'Field 1',
+    data_type: PaperlessCustomFieldDataType.String,
+  },
+  {
+    id: 1,
+    name: 'Field 2',
+    data_type: PaperlessCustomFieldDataType.Integer,
+  },
+]
+
+describe('CustomFieldsComponent', () => {
+  let component: CustomFieldsComponent
+  let fixture: ComponentFixture<CustomFieldsComponent>
+  let customFieldsService: CustomFieldsService
+  let modalService: NgbModal
+  let toastService: ToastService
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      declarations: [
+        CustomFieldsComponent,
+        IfPermissionsDirective,
+        PageHeaderComponent,
+        ConfirmDialogComponent,
+      ],
+      providers: [
+        {
+          provide: PermissionsService,
+          useValue: {
+            currentUserCan: () => true,
+            currentUserHasObjectPermissions: () => true,
+            currentUserOwnsObject: () => true,
+          },
+        },
+      ],
+      imports: [
+        HttpClientTestingModule,
+        NgbPaginationModule,
+        FormsModule,
+        ReactiveFormsModule,
+        NgbModalModule,
+      ],
+    })
+
+    customFieldsService = TestBed.inject(CustomFieldsService)
+    jest.spyOn(customFieldsService, 'listAll').mockReturnValue(
+      of({
+        count: fields.length,
+        all: fields.map((o) => o.id),
+        results: fields,
+      })
+    )
+    modalService = TestBed.inject(NgbModal)
+    toastService = TestBed.inject(ToastService)
+
+    fixture = TestBed.createComponent(CustomFieldsComponent)
+    component = fixture.componentInstance
+    fixture.detectChanges()
+  })
+
+  it('should support create, show notification on error / success', () => {
+    let modal: NgbModalRef
+    modalService.activeInstances.subscribe((m) => (modal = m[m.length - 1]))
+    const toastErrorSpy = jest.spyOn(toastService, 'showError')
+    const toastInfoSpy = jest.spyOn(toastService, 'showInfo')
+    const reloadSpy = jest.spyOn(component, 'reload')
+
+    const createButton = fixture.debugElement.queryAll(By.css('button'))[0]
+    createButton.triggerEventHandler('click')
+
+    expect(modal).not.toBeUndefined()
+    const editDialog = modal.componentInstance as CustomFieldEditDialogComponent
+
+    // fail first
+    editDialog.failed.emit({ error: 'error creating item' })
+    expect(toastErrorSpy).toHaveBeenCalled()
+    expect(reloadSpy).not.toHaveBeenCalled()
+
+    // succeed
+    editDialog.succeeded.emit(fields[0])
+    expect(toastInfoSpy).toHaveBeenCalled()
+    expect(reloadSpy).toHaveBeenCalled()
+  })
+
+  it('should support edit, show notification on error / success', () => {
+    let modal: NgbModalRef
+    modalService.activeInstances.subscribe((m) => (modal = m[m.length - 1]))
+    const toastErrorSpy = jest.spyOn(toastService, 'showError')
+    const toastInfoSpy = jest.spyOn(toastService, 'showInfo')
+    const reloadSpy = jest.spyOn(component, 'reload')
+
+    const editButton = fixture.debugElement.queryAll(By.css('button'))[1]
+    editButton.triggerEventHandler('click')
+
+    expect(modal).not.toBeUndefined()
+    const editDialog = modal.componentInstance as CustomFieldEditDialogComponent
+    expect(editDialog.object).toEqual(fields[0])
+
+    // fail first
+    editDialog.failed.emit({ error: 'error editing item' })
+    expect(toastErrorSpy).toHaveBeenCalled()
+    expect(reloadSpy).not.toHaveBeenCalled()
+
+    // succeed
+    editDialog.succeeded.emit(fields[0])
+    expect(toastInfoSpy).toHaveBeenCalled()
+    expect(reloadSpy).toHaveBeenCalled()
+  })
+
+  it('should support delete, show notification on error / success', () => {
+    let modal: NgbModalRef
+    modalService.activeInstances.subscribe((m) => (modal = m[m.length - 1]))
+    const toastErrorSpy = jest.spyOn(toastService, 'showError')
+    const deleteSpy = jest.spyOn(customFieldsService, 'delete')
+    const reloadSpy = jest.spyOn(component, 'reload')
+
+    const deleteButton = fixture.debugElement.queryAll(By.css('button'))[3]
+    deleteButton.triggerEventHandler('click')
+
+    expect(modal).not.toBeUndefined()
+    const editDialog = modal.componentInstance as ConfirmDialogComponent
+
+    // fail first
+    deleteSpy.mockReturnValueOnce(throwError(() => new Error('error deleting')))
+    editDialog.confirmClicked.emit()
+    expect(toastErrorSpy).toHaveBeenCalled()
+    expect(reloadSpy).not.toHaveBeenCalled()
+
+    // succeed
+    deleteSpy.mockReturnValueOnce(of(true))
+    editDialog.confirmClicked.emit()
+    expect(reloadSpy).toHaveBeenCalled()
+  })
+})
--- a/src-ui/src/app/components/manage/custom-fields/custom-fields.component.ts
+++ b/src-ui/src/app/components/manage/custom-fields/custom-fields.component.ts
@@ -0,0 +1,98 @@
+import { Component, OnInit } from '@angular/core'
+import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
+import { Subject, takeUntil } from 'rxjs'
+import {
+  DATA_TYPE_LABELS,
+  PaperlessCustomField,
+} from 'src/app/data/paperless-custom-field'
+import { PermissionsService } from 'src/app/services/permissions.service'
+import { CustomFieldsService } from 'src/app/services/rest/custom-fields.service'
+import { ToastService } from 'src/app/services/toast.service'
+import { ConfirmDialogComponent } from '../../common/confirm-dialog/confirm-dialog.component'
+import { CustomFieldEditDialogComponent } from '../../common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component'
+import { EditDialogMode } from '../../common/edit-dialog/edit-dialog.component'
+import { ComponentWithPermissions } from '../../with-permissions/with-permissions.component'
+
+@Component({
+  selector: 'pngx-custom-fields',
+  templateUrl: './custom-fields.component.html',
+  styleUrls: ['./custom-fields.component.scss'],
+})
+export class CustomFieldsComponent
+  extends ComponentWithPermissions
+  implements OnInit
+{
+  public fields: PaperlessCustomField[] = []
+
+  private unsubscribeNotifier: Subject<any> = new Subject()
+  constructor(
+    private customFieldsService: CustomFieldsService,
+    public permissionsService: PermissionsService,
+    private modalService: NgbModal,
+    private toastService: ToastService
+  ) {
+    super()
+  }
+
+  ngOnInit() {
+    this.reload()
+  }
+
+  reload() {
+    this.customFieldsService
+      .listAll()
+      .pipe(takeUntil(this.unsubscribeNotifier))
+      .subscribe((r) => {
+        this.fields = r.results
+      })
+  }
+
+  editField(field: PaperlessCustomField) {
+    const modal = this.modalService.open(CustomFieldEditDialogComponent)
+    modal.componentInstance.dialogMode = field
+      ? EditDialogMode.EDIT
+      : EditDialogMode.CREATE
+    modal.componentInstance.object = field
+    modal.componentInstance.succeeded
+      .pipe(takeUntil(this.unsubscribeNotifier))
+      .subscribe((newField) => {
+        this.toastService.showInfo($localize`Saved field "${newField.name}".`)
+        this.customFieldsService.clearCache()
+        this.reload()
+      })
+    modal.componentInstance.failed
+      .pipe(takeUntil(this.unsubscribeNotifier))
+      .subscribe((e) => {
+        this.toastService.showError($localize`Error saving field.`, e)
+      })
+  }
+
+  deleteField(field: PaperlessCustomField) {
+    const modal = this.modalService.open(ConfirmDialogComponent, {
+      backdrop: 'static',
+    })
+    modal.componentInstance.title = $localize`Confirm delete field`
+    modal.componentInstance.messageBold = $localize`This operation will permanently delete this field.`
+    modal.componentInstance.message = $localize`This operation cannot be undone.`
+    modal.componentInstance.btnClass = 'btn-danger'
+    modal.componentInstance.btnCaption = $localize`Proceed`
+    modal.componentInstance.confirmClicked.subscribe(() => {
+      modal.componentInstance.buttonsEnabled = false
+      this.customFieldsService.delete(field).subscribe({
+        next: () => {
+          modal.close()
+          this.toastService.showInfo($localize`Deleted field`)
+          this.customFieldsService.clearCache()
+          this.reload()
+        },
+        error: (e) => {
+          this.toastService.showError($localize`Error deleting field.`, e)
+        },
+      })
+    })
+  }
+
+  getDataType(field: PaperlessCustomField): string {
+    return DATA_TYPE_LABELS.find((l) => l.id === field.data_type).name
+  }
+}
--- a/src-ui/src/app/data/filter-rule-type.ts
+++ b/src-ui/src/app/data/filter-rule-type.ts
@@ -46,6 +46,8 @@ export const FILTER_OWNER_ANY = 33
 export const FILTER_OWNER_ISNULL = 34
 export const FILTER_OWNER_DOES_NOT_INCLUDE = 35

+export const FILTER_CUSTOM_FIELDS = 36
+
 export const FILTER_RULE_TYPES: FilterRuleType[] = [
  {
    id: FILTER_TITLE,
@@ -271,6 +273,12 @@ export const FILTER_RULE_TYPES: FilterRuleType[] = [
    datatype: 'number',
    multi: true,
  },
+  {
+    id: FILTER_CUSTOM_FIELDS,
+    filtervar: 'custom_fields__icontains',
+    datatype: 'string',
+    multi: false,
+  },
 ]

 export interface FilterRuleType {
--- a/src-ui/src/app/data/paperless-custom-field-instance.ts
+++ b/src-ui/src/app/data/paperless-custom-field-instance.ts
@@ -0,0 +1,9 @@
+import { ObjectWithId } from './object-with-id'
+import { PaperlessCustomField } from './paperless-custom-field'
+
+export interface PaperlessCustomFieldInstance extends ObjectWithId {
+  document: number // PaperlessDocument
+  field: number // PaperlessCustomField
+  created: Date
+  value?: any
+}
--- a/src-ui/src/app/data/paperless-custom-field.ts
+++ b/src-ui/src/app/data/paperless-custom-field.ts
@@ -0,0 +1,48 @@
+import { ObjectWithId } from './object-with-id'
+
+export enum PaperlessCustomFieldDataType {
+  String = 'string',
+  Url = 'url',
+  Date = 'date',
+  Boolean = 'boolean',
+  Integer = 'integer',
+  Float = 'float',
+  Monetary = 'monetary',
+}
+
+export const DATA_TYPE_LABELS = [
+  {
+    id: PaperlessCustomFieldDataType.Boolean,
+    name: $localize`Boolean`,
+  },
+  {
+    id: PaperlessCustomFieldDataType.Date,
+    name: $localize`Date`,
+  },
+  {
+    id: PaperlessCustomFieldDataType.Integer,
+    name: $localize`Integer`,
+  },
+  {
+    id: PaperlessCustomFieldDataType.Float,
+    name: $localize`Number`,
+  },
+  {
+    id: PaperlessCustomFieldDataType.Monetary,
+    name: $localize`Monetary`,
+  },
+  {
+    id: PaperlessCustomFieldDataType.String,
+    name: $localize`Text`,
+  },
+  {
+    id: PaperlessCustomFieldDataType.Url,
+    name: $localize`Url`,
+  },
+]
+
+export interface PaperlessCustomField extends ObjectWithId {
+  data_type: PaperlessCustomFieldDataType
+  name: string
+  created?: Date
+}
--- a/src-ui/src/app/data/paperless-document.ts
+++ b/src-ui/src/app/data/paperless-document.ts
@@ -5,6 +5,7 @@ import { Observable } from 'rxjs'
 import { PaperlessStoragePath } from './paperless-storage-path'
 import { ObjectWithPermissions } from './object-with-permissions'
 import { PaperlessDocumentNote } from './paperless-document-note'
+import { PaperlessCustomFieldInstance } from './paperless-custom-field-instance'

 export interface SearchHit {
  score?: number
@@ -58,4 +59,6 @@ export interface PaperlessDocument extends ObjectWithPermissions {
  notes?: PaperlessDocumentNote[]

  __search_hit__?: SearchHit
+
+  custom_fields?: PaperlessCustomFieldInstance[]
 }
--- a/src-ui/src/app/services/permissions.service.spec.ts
+++ b/src-ui/src/app/services/permissions.service.spec.ts
@@ -256,6 +256,10 @@ describe('PermissionsService', () => {
        'view_consumptiontemplate',
        'change_consumptiontemplate',
        'delete_consumptiontemplate',
+        'add_customfield',
+        'view_customfield',
+        'change_customfield',
+        'delete_customfield',
      ],
      {
        username: 'testuser',
--- a/src-ui/src/app/services/permissions.service.ts
+++ b/src-ui/src/app/services/permissions.service.ts
@@ -26,6 +26,7 @@ export enum PermissionType {
  Admin = '%s_logentry',
  ShareLink = '%s_sharelink',
  ConsumptionTemplate = '%s_consumptiontemplate',
+  CustomField = '%s_customfield',
 }

@Injectable({
--- a/src-ui/src/app/services/rest/custom-fields.service.spec.ts
+++ b/src-ui/src/app/services/rest/custom-fields.service.spec.ts
@@ -0,0 +1,14 @@
+import { HttpTestingController } from '@angular/common/http/testing'
+import { Subscription } from 'rxjs'
+import { TestBed } from '@angular/core/testing'
+import { environment } from 'src/environments/environment'
+import { commonAbstractPaperlessServiceTests } from './abstract-paperless-service.spec'
+import { CustomFieldsService } from './custom-fields.service'
+
+let httpTestingController: HttpTestingController
+let service: CustomFieldsService
+let subscription: Subscription
+const endpoint = 'custom_fields'
+
+// run common tests
+commonAbstractPaperlessServiceTests(endpoint, CustomFieldsService)
--- a/src-ui/src/app/services/rest/custom-fields.service.ts
+++ b/src-ui/src/app/services/rest/custom-fields.service.ts
@@ -0,0 +1,15 @@
+import { Injectable } from '@angular/core'
+import { HttpClient, HttpParams } from '@angular/common/http'
+import { AbstractPaperlessService } from './abstract-paperless-service'
+import { Observable } from 'rxjs'
+import { PaperlessCustomField } from 'src/app/data/paperless-custom-field'
+import { PaperlessCustomFieldInstance } from 'src/app/data/paperless-custom-field-instance'
+
+@Injectable({
+  providedIn: 'root',
+})
+export class CustomFieldsService extends AbstractPaperlessService<PaperlessCustomField> {
+  constructor(http: HttpClient) {
+    super(http, 'custom_fields')
+  }
+}