diff --git a/src-ui/src/app/app.module.ts b/src-ui/src/app/app.module.ts
index 68124d541..79880c75b 100644
--- a/src-ui/src/app/app.module.ts
+++ b/src-ui/src/app/app.module.ts
@@ -133,6 +133,7 @@ import { DeletePagesConfirmDialogComponent } from './components/common/confirm-d
 import { TrashComponent } from './components/admin/trash/trash.component'
 import { EntriesComponent } from './components/common/input/entries/entries.component'
 import { SavedViewsComponent } from './components/manage/saved-views/saved-views.component'
+import { CustomFieldsBulkEditDialogComponent } from './components/document-list/bulk-editor/custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component'
 import {
   airplane,
   archive,
@@ -528,6 +529,7 @@ function initializeApp(settings: SettingsService) {
     TrashComponent,
     EntriesComponent,
     SavedViewsComponent,
+    CustomFieldsBulkEditDialogComponent,
   ],
   bootstrap: [AppComponent],
   imports: [
diff --git a/src-ui/src/app/components/common/filterable-dropdown/filterable-dropdown.component.html b/src-ui/src/app/components/common/filterable-dropdown/filterable-dropdown.component.html
index 28ce03ad6..4b514a6dd 100644
--- a/src-ui/src/app/components/common/filterable-dropdown/filterable-dropdown.component.html
+++ b/src-ui/src/app/components/common/filterable-dropdown/filterable-dropdown.component.html
@@ -66,6 +66,11 @@
           </button>
         }
       }
+      @if (extraButtonTitle) {
+        <button class="list-group-item list-group-item-action bg-light text-primary" (click)="extraButton.next($event)" [disabled]="disabled">
+          <small class="ms-2 fw-bold"><ng-container i18n>{{extraButtonTitle}}</ng-container></small>
+        </button>
+      }
       @if (!editing && manyToOne) {
         <div class="list-group-item list-group-item-note pt-1 pb-2">
           <small i18n>Click again to exclude items.</small>
diff --git a/src-ui/src/app/components/common/filterable-dropdown/filterable-dropdown.component.ts b/src-ui/src/app/components/common/filterable-dropdown/filterable-dropdown.component.ts
index 2351dc0da..b7f7e2815 100644
--- a/src-ui/src/app/components/common/filterable-dropdown/filterable-dropdown.component.ts
+++ b/src-ui/src/app/components/common/filterable-dropdown/filterable-dropdown.component.ts
@@ -434,21 +434,6 @@ export class FilterableDropdownComponent implements OnDestroy, OnInit {
   @Input()
   createRef: (name) => void
 
-  creating: boolean = false
-
-  @Output()
-  apply = new EventEmitter<ChangedItems>()
-
-  @Output()
-  opened = new EventEmitter()
-
-  get modifierToggleEnabled(): boolean {
-    return this.manyToOne
-      ? this.selectionModel.selectionSize() > 1 &&
-          this.selectionModel.getExcludedItems().length == 0
-      : !this.selectionModel.isNoneSelected()
-  }
-
   @Input()
   set documentCounts(counts: SelectionDataItem[]) {
     if (counts) {
@@ -459,6 +444,27 @@ export class FilterableDropdownComponent implements OnDestroy, OnInit {
   @Input()
   shortcutKey: string
 
+  @Input()
+  extraButtonTitle: string
+
+  creating: boolean = false
+
+  @Output()
+  apply = new EventEmitter<ChangedItems>()
+
+  @Output()
+  opened = new EventEmitter()
+
+  @Output()
+  extraButton = new EventEmitter()
+
+  get modifierToggleEnabled(): boolean {
+    return this.manyToOne
+      ? this.selectionModel.selectionSize() > 1 &&
+          this.selectionModel.getExcludedItems().length == 0
+      : !this.selectionModel.isNoneSelected()
+  }
+
   get name(): string {
     return this.title ? this.title.replace(/\s/g, '_').toLowerCase() : null
   }
diff --git a/src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.html b/src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.html
index 2b9a20f7e..31c1c3957 100644
--- a/src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.html
+++ b/src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.html
@@ -90,6 +90,9 @@
               (opened)="openCustomFieldsDropdown()"
               [(selectionModel)]="customFieldsSelectionModel"
               [documentCounts]="customFieldDocumentCounts"
+              extraButtonTitle="Set values"
+              i18n-extraButtonTitle
+              (extraButton)="setCustomFieldValues()"
               (apply)="setCustomFields($event)">
             </pngx-filterable-dropdown>
           }
diff --git a/src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.spec.ts b/src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.spec.ts
index 0dd056cfd..17cc86f30 100644
--- a/src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.spec.ts
+++ b/src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.spec.ts
@@ -1416,4 +1416,55 @@ describe('BulkEditorComponent', () => {
     )
     expect(component.customFields).toEqual(customFields.results)
   })
+
+  it('should open the bulk edit custom field values dialog with correct parameters', () => {
+    let modal: NgbModalRef
+    modalService.activeInstances.subscribe((m) => (modal = m[0]))
+    jest.spyOn(permissionsService, 'currentUserCan').mockReturnValue(true)
+    jest
+      .spyOn(documentListViewService, 'documents', 'get')
+      .mockReturnValue([{ id: 3 }, { id: 4 }])
+    jest.spyOn(documentService, 'getFew').mockReturnValue(
+      of({
+        all: [3, 4],
+        count: 2,
+        results: [{ id: 3 }, { id: 4 }],
+      })
+    )
+    jest
+      .spyOn(documentListViewService, 'selected', 'get')
+      .mockReturnValue(new Set([3, 4]))
+    fixture.detectChanges()
+    const toastServiceShowInfoSpy = jest.spyOn(toastService, 'showInfo')
+    const toastServiceShowErrorSpy = jest.spyOn(toastService, 'showError')
+    const listReloadSpy = jest.spyOn(documentListViewService, 'reload')
+
+    component.customFields = [
+      { id: 1, name: 'Custom Field 1', data_type: CustomFieldDataType.String },
+      { id: 2, name: 'Custom Field 2', data_type: CustomFieldDataType.String },
+    ]
+    jest
+      .spyOn(component.customFieldsSelectionModel, 'getSelectedItems')
+      .mockReturnValue([{ id: 1 }, { id: 2 }])
+
+    component.setCustomFieldValues()
+
+    expect(modal.componentInstance.customFields).toEqual(component.customFields)
+    expect(modal.componentInstance.selectedFieldsIds).toEqual([1, 2])
+    expect(modal.componentInstance.documents).toEqual([3, 4])
+
+    modal.componentInstance.failed.emit()
+    expect(toastServiceShowErrorSpy).toHaveBeenCalled()
+    expect(listReloadSpy).not.toHaveBeenCalled()
+
+    modal.componentInstance.succeeded.emit()
+    expect(toastServiceShowInfoSpy).toHaveBeenCalled()
+    expect(listReloadSpy).toHaveBeenCalled()
+    httpTestingController.match(
+      `${environment.apiBaseUrl}documents/?page=1&page_size=50&ordering=-created&truncate_content=true`
+    ) // list reload
+    httpTestingController.match(
+      `${environment.apiBaseUrl}documents/?page=1&page_size=100000&fields=id`
+    ) // listAllFilteredIds
+  })
 })
diff --git a/src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.ts b/src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.ts
index 6892cc823..580392e00 100644
--- a/src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.ts
+++ b/src-ui/src/app/components/document-list/bulk-editor/bulk-editor.component.ts
@@ -44,6 +44,7 @@ import { MergeConfirmDialogComponent } from '../../common/confirm-dialog/merge-c
 import { CustomField } from 'src/app/data/custom-field'
 import { CustomFieldsService } from 'src/app/services/rest/custom-fields.service'
 import { CustomFieldEditDialogComponent } from '../../common/edit-dialog/custom-field-edit-dialog/custom-field-edit-dialog.component'
+import { CustomFieldsBulkEditDialogComponent } from './custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component'
 
 @Component({
   selector: 'pngx-bulk-editor',
@@ -826,4 +827,34 @@ export class BulkEditorComponent
         )
       })
   }
+
+  public setCustomFieldValues() {
+    const modal = this.modalService.open(CustomFieldsBulkEditDialogComponent, {
+      backdrop: 'static',
+      size: 'lg',
+    })
+    const dialog =
+      modal.componentInstance as CustomFieldsBulkEditDialogComponent
+    dialog.customFields = this.customFields
+    dialog.selectedFieldsIds = this.customFieldsSelectionModel
+      .getSelectedItems()
+      .map((item) => item.id)
+    dialog.documents = Array.from(this.list.selected)
+    dialog.succeeded.subscribe((result) => {
+      this.toastService.showInfo(
+        $localize`Bulk operation executed successfully`
+      )
+      this.list.reload()
+      this.list.reduceSelectionToFilter()
+      this.list.selected.forEach((id) => {
+        this.openDocumentService.refreshDocument(id)
+      })
+    })
+    dialog.failed.subscribe((error) => {
+      this.toastService.showError(
+        $localize`Error executing bulk operation`,
+        error
+      )
+    })
+  }
 }
diff --git a/src-ui/src/app/components/document-list/bulk-editor/custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component.html b/src-ui/src/app/components/document-list/bulk-editor/custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component.html
new file mode 100644
index 000000000..519fceccf
--- /dev/null
+++ b/src-ui/src/app/components/document-list/bulk-editor/custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component.html
@@ -0,0 +1,32 @@
+<form [formGroup]="form" (ngSubmit)="save()" autocomplete="off">
+    <div class="modal-header">
+      <h4 class="modal-title" id="modal-basic-title">Set custom fields for {{documents?.length}} document(s)</h4>
+      <button type="button" class="btn-close" aria-label="Close" (click)="cancel()">
+      </button>
+    </div>
+    <div class="modal-body">
+        <pngx-input-select i18n-title title=""
+        multiple="true"
+        [items]="customFields"
+        [(ngModel)]="selectedFieldsIds"
+        placeholder="Select custom fields"
+        i18n-placeholder
+        [ngModelOptions]="{standalone: true}">
+    </pngx-input-select>
+        <div class="d-flex flex-column gap-2">
+            @for (field of selectedFields; track field.id) {
+                <div class="input-group">
+                    <span class="input-group-text">{{field.name}}</span>
+                    <input type="text" class="form-control" id="field_{{field.id}}" formControlName="{{field.id}}">
+                    <button type="button" class="btn btn-outline-danger" (click)="removeField(field.id)">
+                        <i-bs name="x"></i-bs>
+                    </button>
+                </div>
+            }
+        </div>
+    </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>
diff --git a/src-ui/src/app/components/document-list/bulk-editor/custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component.scss b/src-ui/src/app/components/document-list/bulk-editor/custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component.scss
new file mode 100644
index 000000000..e69de29bb
diff --git a/src-ui/src/app/components/document-list/bulk-editor/custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component.spec.ts b/src-ui/src/app/components/document-list/bulk-editor/custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component.spec.ts
new file mode 100644
index 000000000..4ead91010
--- /dev/null
+++ b/src-ui/src/app/components/document-list/bulk-editor/custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component.spec.ts
@@ -0,0 +1,89 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing'
+
+import { CustomFieldsBulkEditDialogComponent } from './custom-fields-bulk-edit-dialog.component'
+import { FormsModule, ReactiveFormsModule } from '@angular/forms'
+import { NgbActiveModal, NgbModule } from '@ng-bootstrap/ng-bootstrap'
+import { of, throwError } from 'rxjs'
+import { DocumentService } from 'src/app/services/rest/document.service'
+import { SelectComponent } from 'src/app/components/common/input/select/select.component'
+import { CustomFieldDataType } from 'src/app/data/custom-field'
+import { NgSelectModule } from '@ng-select/ng-select'
+import { provideHttpClientTesting } from '@angular/common/http/testing'
+import { provideHttpClient } from '@angular/common/http'
+
+describe('CustomFieldsBulkEditDialogComponent', () => {
+  let component: CustomFieldsBulkEditDialogComponent
+  let fixture: ComponentFixture<CustomFieldsBulkEditDialogComponent>
+  let documentService: DocumentService
+  let activeModal: NgbActiveModal
+
+  beforeEach(async () => {
+    TestBed.configureTestingModule({
+      declarations: [CustomFieldsBulkEditDialogComponent, SelectComponent],
+      imports: [FormsModule, ReactiveFormsModule, NgbModule, NgSelectModule],
+      providers: [
+        NgbActiveModal,
+        provideHttpClient(),
+        provideHttpClientTesting(),
+      ],
+    }).compileComponents()
+
+    fixture = TestBed.createComponent(CustomFieldsBulkEditDialogComponent)
+    component = fixture.componentInstance
+    documentService = TestBed.inject(DocumentService)
+    activeModal = TestBed.inject(NgbActiveModal)
+    fixture.detectChanges()
+  })
+
+  it('should initialize form controls based on selected field ids', () => {
+    component.customFields = [
+      { id: 1, name: 'Field 1', data_type: CustomFieldDataType.String },
+      { id: 2, name: 'Field 2', data_type: CustomFieldDataType.Integer },
+    ]
+    component.selectedFieldsIds = [1, 2]
+    expect(component.form.contains('1')).toBeTruthy()
+    expect(component.form.contains('2')).toBeTruthy()
+  })
+
+  it('should emit succeeded event and close modal on successful save', () => {
+    const editSpy = jest
+      .spyOn(documentService, 'bulkEdit')
+      .mockReturnValue(of('Success'))
+    const successSpy = jest.spyOn(component.succeeded, 'emit')
+
+    component.documents = [1, 2]
+    component.selectedFieldsIds = [1]
+    component.form.controls['1'].setValue('Value 1')
+    component.save()
+
+    expect(editSpy).toHaveBeenCalled()
+    expect(successSpy).toHaveBeenCalled()
+  })
+
+  it('should emit failed event on save error', () => {
+    const editSpy = jest
+      .spyOn(documentService, 'bulkEdit')
+      .mockReturnValue(throwError(new Error('Error')))
+    const failSpy = jest.spyOn(component.failed, 'emit')
+
+    component.documents = [1, 2]
+    component.selectedFieldsIds = [1]
+    component.form.controls['1'].setValue('Value 1')
+    component.save()
+
+    expect(editSpy).toHaveBeenCalled()
+    expect(failSpy).toHaveBeenCalled()
+  })
+
+  it('should close modal on cancel', () => {
+    const activeModalSpy = jest.spyOn(activeModal, 'close')
+    component.cancel()
+    expect(activeModalSpy).toHaveBeenCalled()
+  })
+
+  it('should remove field from selected fields', () => {
+    component.selectedFieldsIds = [1, 2]
+    component.removeField(1)
+    expect(component.selectedFieldsIds).toEqual([2])
+  })
+})
diff --git a/src-ui/src/app/components/document-list/bulk-editor/custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component.ts b/src-ui/src/app/components/document-list/bulk-editor/custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component.ts
new file mode 100644
index 000000000..ce07045ec
--- /dev/null
+++ b/src-ui/src/app/components/document-list/bulk-editor/custom-fields-bulk-edit-dialog/custom-fields-bulk-edit-dialog.component.ts
@@ -0,0 +1,85 @@
+import { Component, EventEmitter, Output } from '@angular/core'
+import { FormControl, FormGroup } from '@angular/forms'
+import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap'
+import { first } from 'rxjs'
+import { CustomField } from 'src/app/data/custom-field'
+import { DocumentService } from 'src/app/services/rest/document.service'
+
+@Component({
+  selector: 'pngx-custom-fields-bulk-edit-dialog',
+  templateUrl: './custom-fields-bulk-edit-dialog.component.html',
+  styleUrl: './custom-fields-bulk-edit-dialog.component.scss',
+})
+export class CustomFieldsBulkEditDialogComponent {
+  @Output()
+  succeeded = new EventEmitter()
+
+  @Output()
+  failed = new EventEmitter()
+
+  public networkActive = false
+
+  public customFields: CustomField[] = []
+
+  private _selectedFields: CustomField[] = [] // static object for change detection
+  public get selectedFields() {
+    return this._selectedFields
+  }
+
+  private _selectedFieldIds: number[] = []
+  public get selectedFieldsIds() {
+    return this._selectedFieldIds
+  }
+  public set selectedFieldsIds(ids: number[]) {
+    this._selectedFieldIds = ids
+    this._selectedFields = this.customFields.filter((field) =>
+      this._selectedFieldIds.includes(field.id)
+    )
+    this.initForm()
+  }
+
+  public form: FormGroup = new FormGroup({})
+
+  public documents: number[]
+
+  constructor(
+    private activeModal: NgbActiveModal,
+    private documentService: DocumentService
+  ) {}
+
+  initForm() {
+    this.form = new FormGroup({})
+    this._selectedFieldIds.forEach((field_id) => {
+      this.form.addControl(field_id.toString(), new FormControl(null))
+    })
+  }
+
+  public save() {
+    console.log('save', this.form.value)
+    this.documentService
+      .bulkEdit(this.documents, 'modify_custom_fields', {
+        add_custom_fields: this.form.value,
+        remove_custom_fields: [],
+      })
+      .pipe(first())
+      .subscribe({
+        next: () => {
+          this.activeModal.close()
+          this.succeeded.emit()
+        },
+        error: (error) => {
+          this.failed.emit(error)
+        },
+      })
+  }
+
+  public cancel() {
+    this.activeModal.close()
+  }
+
+  public removeField(fieldId: number) {
+    this._selectedFieldIds = this._selectedFieldIds.filter(
+      (id) => id !== fieldId
+    )
+  }
+}