diff --git a/src-ui/src/app/components/document-list/filter-editor/filter-editor.component.html b/src-ui/src/app/components/document-list/filter-editor/filter-editor.component.html
index 492b2a4e4..a5e8897f7 100644
--- a/src-ui/src/app/components/document-list/filter-editor/filter-editor.component.html
+++ b/src-ui/src/app/components/document-list/filter-editor/filter-editor.component.html
@@ -10,7 +10,7 @@
             }
           </div>
         </div>
-        @if (textFilterTarget === 'asn') {
+        @if (textFilterTarget === 'asn' || textFilterTarget === 'duplicates') {
           <select class="form-select flex-grow-0 w-auto" [(ngModel)]="textFilterModifier" (change)="textFilterModifierChange()">
             @for (m of textFilterModifiers; track m) {
               <option ngbDropdownItem [value]="m.id">{{m.label}}</option>
@@ -23,7 +23,7 @@
           </button>
         }
         <input #textFilterInput class="form-control form-control-sm" type="text"
-        [disabled]="textFilterModifierIsNull"
+        [disabled]="textFilterInputDisabled"
         [(ngModel)]="textFilter"
         (keydown)="textFilterKeydown($event)"
         [ngbTypeahead]="searchAutoComplete"
diff --git 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
index 36a016670..207013037 100644
--- 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
@@ -53,6 +53,7 @@ import {
   FILTER_HAS_CUSTOM_FIELDS_ALL,
   FILTER_HAS_CUSTOM_FIELDS_ANY,
   FILTER_HAS_DOCUMENT_TYPE_ANY,
+  FILTER_HAS_DUPLICATES,
   FILTER_HAS_STORAGE_PATH_ANY,
   FILTER_HAS_TAGS_ALL,
   FILTER_HAS_TAGS_ANY,
@@ -427,6 +428,38 @@ describe('FilterEditorComponent', () => {
     expect(component.textFilterTarget).toEqual('mime-type') // TEXT_FILTER_TARGET_MIME_TYPE
   })
 
+  it('should ingest filter rules for documents with duplicates', () => {
+    component.filterRules = [
+      {
+        rule_type: FILTER_HAS_DUPLICATES,
+        value: 'true',
+      },
+    ]
+    fixture.detectChanges()
+
+    expect(component.textFilterTarget).toEqual('duplicates')
+    expect(component.textFilterModifier).toEqual('has-duplicates')
+    expect(component.textFilterInputDisabled).toBeTruthy()
+  })
+
+  it('should ingest filter rules for documents without duplicates', () => {
+    component.filterRules = [
+      {
+        rule_type: FILTER_HAS_DUPLICATES,
+        value: 'false',
+      },
+    ]
+
+    expect(component.textFilterTarget).toEqual('duplicates')
+    expect(component.textFilterModifier).toEqual('does-not-have-duplicates')
+    expect(component.filterRules).toEqual([
+      {
+        rule_type: FILTER_HAS_DUPLICATES,
+        value: 'false',
+      },
+    ])
+  })
+
   it('should ingest text filter rules for fulltext query', () => {
     expect(component.textFilter).toEqual(null)
     component.filterRules = [
@@ -1390,6 +1423,33 @@ describe('FilterEditorComponent', () => {
     ])
   })
 
+  it('should convert duplicate target input to the correct filter rule', () => {
+    const textFieldTargetDropdown = fixture.debugElement.queryAll(
+      By.directive(NgbDropdownItem)
+    )[5]
+    textFieldTargetDropdown.triggerEventHandler('click')
+    fixture.detectChanges()
+
+    expect(component.textFilterTarget).toEqual('duplicates')
+    expect(component.filterRules).toEqual([
+      {
+        rule_type: FILTER_HAS_DUPLICATES,
+        value: 'true',
+      },
+    ])
+
+    const textFieldModifierSelect = fixture.debugElement.query(By.css('select'))
+    textFieldModifierSelect.nativeElement.value = 'does-not-have-duplicates'
+    textFieldModifierSelect.nativeElement.dispatchEvent(new Event('change'))
+    fixture.detectChanges()
+    expect(component.filterRules).toEqual([
+      {
+        rule_type: FILTER_HAS_DUPLICATES,
+        value: 'false',
+      },
+    ])
+  })
+
   it('should convert user input to correct filter rules on full text query', () => {
     component.textFilterInput.nativeElement.value = 'foo'
     component.textFilterInput.nativeElement.dispatchEvent(new Event('input'))
@@ -2178,6 +2238,22 @@ describe('FilterEditorComponent', () => {
     ]
     expect(component.generateFilterName()).toEqual('Without any tag')
 
+    component.filterRules = [
+      {
+        rule_type: FILTER_HAS_DUPLICATES,
+        value: 'true',
+      },
+    ]
+    expect(component.generateFilterName()).toEqual('With duplicates')
+
+    component.filterRules = [
+      {
+        rule_type: FILTER_HAS_DUPLICATES,
+        value: 'false',
+      },
+    ]
+    expect(component.generateFilterName()).toEqual('Without duplicates')
+
     component.filterRules = [
       {
         rule_type: FILTER_CUSTOM_FIELDS_QUERY,
diff --git 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
index 16bf3cccb..ed08cee1d 100644
--- 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
@@ -65,6 +65,7 @@ import {
   FILTER_HAS_CUSTOM_FIELDS_ALL,
   FILTER_HAS_CUSTOM_FIELDS_ANY,
   FILTER_HAS_DOCUMENT_TYPE_ANY,
+  FILTER_HAS_DUPLICATES,
   FILTER_HAS_STORAGE_PATH_ANY,
   FILTER_HAS_TAGS_ALL,
   FILTER_HAS_TAGS_ANY,
@@ -129,12 +130,15 @@ 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_TARGET_MIME_TYPE = 'mime-type'
+const TEXT_FILTER_TARGET_DUPLICATES = 'duplicates'
 
 const TEXT_FILTER_MODIFIER_EQUALS = 'equals'
 const TEXT_FILTER_MODIFIER_NULL = 'is null'
 const TEXT_FILTER_MODIFIER_NOTNULL = 'not null'
 const TEXT_FILTER_MODIFIER_GT = 'greater'
 const TEXT_FILTER_MODIFIER_LT = 'less'
+const TEXT_FILTER_MODIFIER_HAS_DUPLICATES = 'has-duplicates'
+const TEXT_FILTER_MODIFIER_DOES_NOT_HAVE_DUPLICATES = 'does-not-have-duplicates'
 
 const RELATIVE_DATE_QUERY_REGEXP_CREATED = /created:[\["]([^\]]+)[\]"]/g
 const RELATIVE_DATE_QUERY_REGEXP_ADDED = /added:[\["]([^\]]+)[\]"]/g
@@ -205,6 +209,7 @@ const DEFAULT_TEXT_FILTER_TARGET_OPTIONS = [
     id: TEXT_FILTER_TARGET_FULLTEXT_QUERY,
     name: $localize`Advanced search`,
   },
+  { id: TEXT_FILTER_TARGET_DUPLICATES, name: $localize`Duplicates` },
 ]
 
 const DEPRECATED_CUSTOM_FIELDS_TEXT_FILTER_TARGET_OPTION = {
@@ -241,6 +246,17 @@ const DEFAULT_TEXT_FILTER_MODIFIER_OPTIONS = [
   },
 ]
 
+const DUPLICATES_FILTER_MODIFIER_OPTIONS = [
+  {
+    id: TEXT_FILTER_MODIFIER_HAS_DUPLICATES,
+    label: $localize`exist`,
+  },
+  {
+    id: TEXT_FILTER_MODIFIER_DOES_NOT_HAVE_DUPLICATES,
+    label: $localize`do not exist`,
+  },
+]
+
 @Component({
   selector: 'pngx-filter-editor',
   templateUrl: './filter-editor.component.html',
@@ -320,6 +336,12 @@ export class FilterEditorComponent
           if (rule.value == 'false') {
             return $localize`Without any tag`
           }
+          break
+
+        case FILTER_HAS_DUPLICATES:
+          return rule.value == 'false'
+            ? $localize`Without duplicates`
+            : $localize`With duplicates`
 
         case FILTER_CUSTOM_FIELDS_QUERY:
           return $localize`Custom fields query`
@@ -390,7 +412,9 @@ export class FilterEditorComponent
   public textFilterModifier: string
 
   get textFilterModifiers() {
-    return DEFAULT_TEXT_FILTER_MODIFIER_OPTIONS
+    return this.textFilterTarget === TEXT_FILTER_TARGET_DUPLICATES
+      ? DUPLICATES_FILTER_MODIFIER_OPTIONS
+      : DEFAULT_TEXT_FILTER_MODIFIER_OPTIONS
   }
 
   get textFilterModifierIsNull(): boolean {
@@ -399,6 +423,13 @@ export class FilterEditorComponent
     )
   }
 
+  get textFilterInputDisabled(): boolean {
+    return (
+      this.textFilterModifierIsNull ||
+      this.textFilterTarget === TEXT_FILTER_TARGET_DUPLICATES
+    )
+  }
+
   tagSelectionModel = new FilterableDropdownSelectionModel(true)
   correspondentSelectionModel = new FilterableDropdownSelectionModel()
   documentTypeSelectionModel = new FilterableDropdownSelectionModel()
@@ -444,6 +475,7 @@ export class FilterEditorComponent
     this.customFieldQueriesModel.clear(false)
     this._textFilter = null
     this._moreLikeId = null
+    this.textFilterTarget = TEXT_FILTER_TARGET_TITLE_CONTENT
     this.dateAddedTo = null
     this.dateAddedFrom = null
     this.dateCreatedTo = null
@@ -477,6 +509,13 @@ export class FilterEditorComponent
           this.textFilterTarget = TEXT_FILTER_TARGET_MIME_TYPE
           this._textFilter = rule.value
           break
+        case FILTER_HAS_DUPLICATES:
+          this.textFilterTarget = TEXT_FILTER_TARGET_DUPLICATES
+          this.textFilterModifier =
+            rule.value == 'false' || rule.value == '0'
+              ? TEXT_FILTER_MODIFIER_DOES_NOT_HAVE_DUPLICATES
+              : TEXT_FILTER_MODIFIER_HAS_DUPLICATES
+          break
         case FILTER_FULLTEXT_QUERY:
           let allQueryArgs = rule.value.split(',')
           let textQueryArgs = []
@@ -800,6 +839,14 @@ export class FilterEditorComponent
         value: this._textFilter.trim(),
       })
     }
+    if (this.textFilterTarget == TEXT_FILTER_TARGET_DUPLICATES) {
+      filterRules.push({
+        rule_type: FILTER_HAS_DUPLICATES,
+        value: (
+          this.textFilterModifier == TEXT_FILTER_MODIFIER_HAS_DUPLICATES
+        ).toString(),
+      })
+    }
     if (this._textFilter && this.textFilterTarget == TEXT_FILTER_TARGET_TITLE) {
       filterRules.push({
         rule_type: FILTER_SIMPLE_TITLE,
@@ -1163,7 +1210,7 @@ export class FilterEditorComponent
   }
 
   get textFilter() {
-    return this.textFilterModifierIsNull ? '' : this._textFilter
+    return this.textFilterInputDisabled ? '' : this._textFilter
   }
 
   set textFilter(value) {
@@ -1363,12 +1410,24 @@ export class FilterEditorComponent
       this._textFilter = ''
     }
     this.textFilterTarget = target
+    if (target == TEXT_FILTER_TARGET_DUPLICATES) {
+      this._textFilter = ''
+      this.textFilterModifier = TEXT_FILTER_MODIFIER_HAS_DUPLICATES
+    } else if (
+      [
+        TEXT_FILTER_MODIFIER_HAS_DUPLICATES,
+        TEXT_FILTER_MODIFIER_DOES_NOT_HAVE_DUPLICATES,
+      ].includes(this.textFilterModifier)
+    ) {
+      this.textFilterModifier = TEXT_FILTER_MODIFIER_EQUALS
+    }
     this.textFilterInput.nativeElement.focus()
     this.updateRules()
   }
 
   textFilterModifierChange() {
     if (
+      this.textFilterTarget == TEXT_FILTER_TARGET_DUPLICATES ||
       this.textFilterModifierIsNull ||
       ([
         TEXT_FILTER_MODIFIER_EQUALS,