diff --git a/client/src/app/+videos/+video-edit/shared/video-caption-add-modal.component.ts b/client/src/app/+videos/+video-edit/shared/video-caption-add-modal.component.ts
index 5c4152884..6deadfcbe 100644
--- a/client/src/app/+videos/+video-edit/shared/video-caption-add-modal.component.ts
+++ b/client/src/app/+videos/+video-edit/shared/video-caption-add-modal.component.ts
@@ -77,7 +77,8 @@ export class VideoCaptionAddModalComponent extends FormReactive implements OnIni
 
     this.captionAdded.emit({
       language: languageObject,
-      captionfile: this.form.value['captionfile']
+      captionfile: this.form.value['captionfile'],
+      action: 'CREATE'
     })
 
     this.hide()
diff --git a/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal/video-caption-edit-modal.component.html b/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal/video-caption-edit-modal.component.html
new file mode 100644
index 000000000..4543b93d8
--- /dev/null
+++ b/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal/video-caption-edit-modal.component.html
@@ -0,0 +1,36 @@
+<ng-template #modal>
+  <ng-container [formGroup]="form">
+
+    <div class="modal-header">
+      <h4 i18n class="modal-title">Edit caption</h4>
+      <my-global-icon iconName="cross" aria-label="Close" role="button" (click)="hide()"></my-global-icon>
+    </div>
+
+    <div class="modal-body">
+      <label i18n for="captionFileContent">Caption</label>
+      <textarea
+        id="captionFileContent"
+        formControlName="captionFileContent"
+        class="form-control caption-textarea"
+        [ngClass]="{ 'input-error': formErrors['captionFileContent'] }"
+      >
+      </textarea>
+
+      <div *ngIf="formErrors.captionFileContent" class="form-error">
+        {{ formErrors.description }}
+      </div>
+    </div>
+
+    <div class="modal-footer inputs">
+      <input
+        type="button" role="button" i18n-value value="Cancel" class="peertube-button grey-button"
+        (click)="cancel()" (key.enter)="cancel()"
+      >
+
+      <input
+        type="submit" i18n-value value="Edit this caption" class="peertube-button orange-button"
+        [disabled]="!form.valid" (click)="updateCaption()"
+      >
+    </div>
+  </ng-container>
+</ng-template>
diff --git a/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal/video-caption-edit-modal.component.scss b/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal/video-caption-edit-modal.component.scss
new file mode 100644
index 000000000..bd96f2b7a
--- /dev/null
+++ b/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal/video-caption-edit-modal.component.scss
@@ -0,0 +1,4 @@
+.caption-textarea {
+  min-height: 600px;
+}
+
diff --git a/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal/video-caption-edit-modal.component.ts b/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal/video-caption-edit-modal.component.ts
new file mode 100644
index 000000000..d2232a38e
--- /dev/null
+++ b/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal/video-caption-edit-modal.component.ts
@@ -0,0 +1,92 @@
+import { Component, ElementRef, EventEmitter, Input, OnInit, Output, ViewChild } from '@angular/core'
+
+import { VIDEO_CAPTION_FILE_CONTENT_VALIDATOR } from '@app/shared/form-validators/video-captions-validators'
+import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { VideoCaptionEdit, VideoCaptionService, VideoCaptionWithPathEdit } from '@app/shared/shared-main'
+import { NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap'
+import { HTMLServerConfig, VideoConstant } from '@shared/models'
+import { ServerService } from '../../../../core'
+
+@Component({
+  selector: 'my-video-caption-edit-modal',
+  styleUrls: [ './video-caption-edit-modal.component.scss' ],
+  templateUrl: './video-caption-edit-modal.component.html'
+})
+
+export class VideoCaptionEditModalComponent extends FormReactive implements OnInit {
+  @Input() videoCaption: VideoCaptionWithPathEdit
+  @Input() serverConfig: HTMLServerConfig
+
+  @Output() captionEdited = new EventEmitter<VideoCaptionEdit>()
+
+  @ViewChild('modal', { static: true }) modal: ElementRef
+
+  videoCaptionLanguages: VideoConstant<string>[] = []
+  private openedModal: NgbModalRef
+  private closingModal = false
+
+  constructor (
+    protected formValidatorService: FormValidatorService,
+    private modalService: NgbModal,
+    private videoCaptionService: VideoCaptionService,
+    private serverService: ServerService
+  ) {
+    super()
+  }
+
+  ngOnInit () {
+    this.serverService.getVideoLanguages().subscribe(languages => this.videoCaptionLanguages = languages)
+
+    this.buildForm({ captionFileContent: VIDEO_CAPTION_FILE_CONTENT_VALIDATOR })
+
+    this.loadCaptionContent()
+  }
+
+  loadCaptionContent () {
+    const { captionPath } = this.videoCaption
+    if (captionPath) {
+      this.videoCaptionService.getCaptionContent({
+        captionPath
+      }).subscribe((res) => {
+        this.form.patchValue({
+          captionFileContent: res
+        })
+      })
+    }
+  }
+
+  show () {
+    this.closingModal = false
+
+    this.openedModal = this.modalService.open(this.modal, { centered: true, keyboard: false })
+  }
+
+  hide () {
+    this.closingModal = true
+    this.openedModal.close()
+  }
+
+  cancel () {
+    this.hide()
+  }
+
+  isReplacingExistingCaption () {
+    return true
+  }
+
+  updateCaption () {
+    const format = 'vtt'
+    const languageId = this.videoCaption.language.id
+    const languageObject = this.videoCaptionLanguages.find(l => l.id === languageId)
+    this.captionEdited.emit({
+      language: languageObject,
+      captionfile: new File([ this.form.value['captionFileContent'] ], `${languageId}.${format}`, {
+        type: 'text/vtt',
+        lastModified: Date.now()
+      }),
+      action: 'UPDATE'
+    })
+
+    this.hide()
+  }
+}
diff --git a/client/src/app/+videos/+video-edit/shared/video-edit.component.html b/client/src/app/+videos/+video-edit/shared/video-edit.component.html
index 9bb13ba88..2281f8631 100644
--- a/client/src/app/+videos/+video-edit/shared/video-edit.component.html
+++ b/client/src/app/+videos/+video-edit/shared/video-edit.component.html
@@ -186,6 +186,7 @@
 
                 <div i18n class="caption-entry-state">Already uploaded	&#10004;</div>
 
+                <span i18n class="caption-entry-edit" (click)="videoCaptionEditModal.show()">Edit</span>
                 <span i18n class="caption-entry-delete" (click)="deleteCaption(videoCaption)">Delete</span>
               </ng-container>
 
@@ -197,6 +198,14 @@
                 <span i18n class="caption-entry-delete" (click)="deleteCaption(videoCaption)">Cancel create</span>
               </ng-container>
 
+              <ng-container *ngIf="videoCaption.action === 'UPDATE'">
+                <span class="caption-entry-label">{{ videoCaption.language.label }}</span>
+
+                <div i18n class="caption-entry-state caption-entry-state-create">Will be edited on update</div>
+
+                <span i18n class="caption-entry-delete" (click)="deleteCaption(videoCaption)">Cancel edition</span>
+              </ng-container>
+
               <ng-container *ngIf="videoCaption.action === 'REMOVE'">
                 <span class="caption-entry-label">{{ videoCaption.language.label }}</span>
 
@@ -204,6 +213,13 @@
 
                 <span i18n class="caption-entry-delete" (click)="deleteCaption(videoCaption)">Cancel deletion</span>
               </ng-container>
+
+              <my-video-caption-edit-modal
+                #videoCaptionEditModal
+                [videoCaption]="videoCaption"
+                [serverConfig]="serverConfig"
+                (captionEdited)="onCaptionEdited($event)"
+              ></my-video-caption-edit-modal>
             </div>
           </div>
 
@@ -373,5 +389,5 @@
 </div>
 
 <my-video-caption-add-modal
-  #videoCaptionAddModal [existingCaptions]="getExistingCaptions()" [serverConfig]="serverConfig" (captionAdded)="onCaptionAdded($event)"
+  #videoCaptionAddModal [existingCaptions]="getExistingCaptions()" [serverConfig]="serverConfig" (captionAdded)="onCaptionEdited($event)"
 ></my-video-caption-add-modal>
diff --git a/client/src/app/+videos/+video-edit/shared/video-edit.component.scss b/client/src/app/+videos/+video-edit/shared/video-edit.component.scss
index 4b1dec89a..5344e5431 100644
--- a/client/src/app/+videos/+video-edit/shared/video-edit.component.scss
+++ b/client/src/app/+videos/+video-edit/shared/video-edit.component.scss
@@ -96,6 +96,10 @@ my-peertube-checkbox {
     }
   }
 
+  .caption-entry-edit {
+    @include peertube-button;
+  }
+
   .caption-entry-delete {
     @include peertube-button;
     @include grey-button;
diff --git a/client/src/app/+videos/+video-edit/shared/video-edit.component.ts b/client/src/app/+videos/+video-edit/shared/video-edit.component.ts
index 31dbe43e6..0f4d0619b 100644
--- a/client/src/app/+videos/+video-edit/shared/video-edit.component.ts
+++ b/client/src/app/+videos/+video-edit/shared/video-edit.component.ts
@@ -21,7 +21,7 @@ import {
 } from '@app/shared/form-validators/video-validators'
 import { FormReactiveValidationMessages, FormValidatorService } from '@app/shared/shared-forms'
 import { InstanceService } from '@app/shared/shared-instance'
-import { VideoCaptionEdit, VideoEdit, VideoService } from '@app/shared/shared-main'
+import { VideoCaptionEdit, VideoCaptionWithPathEdit, VideoEdit, VideoService } from '@app/shared/shared-main'
 import { PluginInfo } from '@root-helpers/plugins-manager'
 import {
   HTMLServerConfig,
@@ -34,6 +34,7 @@ import {
 } from '@shared/models'
 import { I18nPrimengCalendarService } from './i18n-primeng-calendar.service'
 import { VideoCaptionAddModalComponent } from './video-caption-add-modal.component'
+import { VideoCaptionEditModalComponent } from './video-caption-edit-modal/video-caption-edit-modal.component'
 import { VideoEditType } from './video-edit.type'
 
 type VideoLanguages = VideoConstant<string> & { group?: string }
@@ -58,13 +59,14 @@ export class VideoEditComponent implements OnInit, OnDestroy {
   @Input() userVideoChannels: SelectChannelItem[] = []
   @Input() forbidScheduledPublication = true
 
-  @Input() videoCaptions: (VideoCaptionEdit & { captionPath?: string })[] = []
+  @Input() videoCaptions: (VideoCaptionWithPathEdit)[] = []
 
   @Input() waitTranscodingEnabled = true
   @Input() type: VideoEditType
   @Input() liveVideo: LiveVideo
 
   @ViewChild('videoCaptionAddModal', { static: true }) videoCaptionAddModal: VideoCaptionAddModalComponent
+  @ViewChild('videoCaptionEditModal', { static: true }) editCaptionModal: VideoCaptionEditModalComponent
 
   @Output() formBuilt = new EventEmitter<void>()
   @Output() pluginFieldsAdded = new EventEmitter<void>()
@@ -228,12 +230,12 @@ export class VideoEditComponent implements OnInit, OnDestroy {
                .map(c => c.language.id)
   }
 
-  onCaptionAdded (caption: VideoCaptionEdit) {
+  onCaptionEdited (caption: VideoCaptionEdit) {
     const existingCaption = this.videoCaptions.find(c => c.language.id === caption.language.id)
 
     // Replace existing caption?
     if (existingCaption) {
-      Object.assign(existingCaption, caption, { action: 'CREATE' as 'CREATE' })
+      Object.assign(existingCaption, caption)
     } else {
       this.videoCaptions.push(
         Object.assign(caption, { action: 'CREATE' as 'CREATE' })
@@ -251,7 +253,7 @@ export class VideoEditComponent implements OnInit, OnDestroy {
     }
 
     // This caption is not on the server, just remove it from our array
-    if (caption.action === 'CREATE') {
+    if (caption.action === 'CREATE' || caption.action === 'UPDATE') {
       removeElementFromArray(this.videoCaptions, caption)
       return
     }
diff --git a/client/src/app/+videos/+video-edit/shared/video-edit.module.ts b/client/src/app/+videos/+video-edit/shared/video-edit.module.ts
index 7a3854065..4e8767364 100644
--- a/client/src/app/+videos/+video-edit/shared/video-edit.module.ts
+++ b/client/src/app/+videos/+video-edit/shared/video-edit.module.ts
@@ -6,6 +6,7 @@ import { SharedMainModule } from '@app/shared/shared-main'
 import { SharedVideoLiveModule } from '@app/shared/shared-video-live'
 import { I18nPrimengCalendarService } from './i18n-primeng-calendar.service'
 import { VideoCaptionAddModalComponent } from './video-caption-add-modal.component'
+import { VideoCaptionEditModalComponent } from './video-caption-edit-modal/video-caption-edit-modal.component'
 import { VideoEditComponent } from './video-edit.component'
 
 @NgModule({
@@ -20,7 +21,8 @@ import { VideoEditComponent } from './video-edit.component'
 
   declarations: [
     VideoEditComponent,
-    VideoCaptionAddModalComponent
+    VideoCaptionAddModalComponent,
+    VideoCaptionEditModalComponent
   ],
 
   exports: [
diff --git a/client/src/app/shared/form-validators/video-captions-validators.ts b/client/src/app/shared/form-validators/video-captions-validators.ts
index a16216422..e589fe934 100644
--- a/client/src/app/shared/form-validators/video-captions-validators.ts
+++ b/client/src/app/shared/form-validators/video-captions-validators.ts
@@ -14,3 +14,10 @@ export const VIDEO_CAPTION_FILE_VALIDATOR: BuildFormValidator = {
     required: $localize`Video caption file is required.`
   }
 }
+
+export const VIDEO_CAPTION_FILE_CONTENT_VALIDATOR: BuildFormValidator = {
+  VALIDATORS: [ Validators.required ],
+  MESSAGES: {
+    required: $localize`Caption content is required.`
+  }
+}
diff --git a/client/src/app/shared/shared-main/video-caption/video-caption-edit.model.ts b/client/src/app/shared/shared-main/video-caption/video-caption-edit.model.ts
index 732f20158..129e80bc0 100644
--- a/client/src/app/shared/shared-main/video-caption/video-caption-edit.model.ts
+++ b/client/src/app/shared/shared-main/video-caption/video-caption-edit.model.ts
@@ -4,6 +4,8 @@ export interface VideoCaptionEdit {
     label?: string
   }
 
-  action?: 'CREATE' | 'REMOVE'
+  action?: 'CREATE' | 'REMOVE' | 'UPDATE'
   captionfile?: any
 }
+
+export type VideoCaptionWithPathEdit = VideoCaptionEdit & { captionPath?: string }
diff --git a/client/src/app/shared/shared-main/video-caption/video-caption.service.ts b/client/src/app/shared/shared-main/video-caption/video-caption.service.ts
index 97b79d842..67eb09e4d 100644
--- a/client/src/app/shared/shared-main/video-caption/video-caption.service.ts
+++ b/client/src/app/shared/shared-main/video-caption/video-caption.service.ts
@@ -8,6 +8,7 @@ import { VideoService } from '@app/shared/shared-main/video'
 import { peertubeTranslate } from '@shared/core-utils/i18n'
 import { ResultList, VideoCaption } from '@shared/models'
 import { VideoCaptionEdit } from './video-caption-edit.model'
+import { environment } from '../../../../environments/environment'
 
 @Injectable()
 export class VideoCaptionService {
@@ -57,7 +58,7 @@ export class VideoCaptionService {
     let obs: Observable<any> = of(undefined)
 
     for (const videoCaption of videoCaptions) {
-      if (videoCaption.action === 'CREATE') {
+      if (videoCaption.action === 'CREATE' || videoCaption.action === 'UPDATE') {
         obs = obs.pipe(switchMap(() => this.addCaption(videoId, videoCaption.language.id, videoCaption.captionfile)))
       } else if (videoCaption.action === 'REMOVE') {
         obs = obs.pipe(switchMap(() => this.removeCaption(videoId, videoCaption.language.id)))
@@ -66,4 +67,8 @@ export class VideoCaptionService {
 
     return obs
   }
+
+  getCaptionContent ({ captionPath }: Pick<VideoCaption, 'captionPath'>) {
+    return this.authHttp.get(`${environment.originServerUrl}${captionPath}`, { responseType: 'text' })
+  }
 }