diff --git a/client/src/app/+about/about-instance/contact-admin-modal.component.ts b/client/src/app/+about/about-instance/contact-admin-modal.component.ts
index fab9cfc4b..0e2bf51e8 100644
--- a/client/src/app/+about/about-instance/contact-admin-modal.component.ts
+++ b/client/src/app/+about/about-instance/contact-admin-modal.component.ts
@@ -7,7 +7,7 @@ import {
   FROM_NAME_VALIDATOR,
   SUBJECT_VALIDATOR
 } from '@app/shared/form-validators/instance-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { InstanceService } from '@app/shared/shared-instance'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
 import { NgbModalRef } from '@ng-bootstrap/ng-bootstrap/modal/modal-ref'
@@ -32,7 +32,7 @@ export class ContactAdminModalComponent extends FormReactive implements OnInit {
   private serverConfig: HTMLServerConfig
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private router: Router,
     private modalService: NgbModal,
     private instanceService: InstanceService,
diff --git a/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.ts b/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.ts
index 545e37857..168f4702c 100644
--- a/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.ts
+++ b/client/src/app/+admin/config/edit-custom-config/edit-custom-config.component.ts
@@ -18,15 +18,15 @@ import {
   MAX_INSTANCE_LIVES_VALIDATOR,
   MAX_LIVE_DURATION_VALIDATOR,
   MAX_USER_LIVES_VALIDATOR,
+  MAX_VIDEO_CHANNELS_PER_USER_VALIDATOR,
   SEARCH_INDEX_URL_VALIDATOR,
   SERVICES_TWITTER_USERNAME_VALIDATOR,
   SIGNUP_LIMIT_VALIDATOR,
   SIGNUP_MINIMUM_AGE_VALIDATOR,
-  TRANSCODING_THREADS_VALIDATOR,
-  MAX_VIDEO_CHANNELS_PER_USER_VALIDATOR
+  TRANSCODING_THREADS_VALIDATOR
 } from '@app/shared/form-validators/custom-config-validators'
 import { USER_VIDEO_QUOTA_DAILY_VALIDATOR, USER_VIDEO_QUOTA_VALIDATOR } from '@app/shared/form-validators/user-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { CustomPageService } from '@app/shared/shared-main/custom-page'
 import { CustomConfig, CustomPage, HTMLServerConfig } from '@shared/models'
 import { EditConfigurationService } from './edit-configuration.service'
@@ -52,9 +52,9 @@ export class EditCustomConfigComponent extends FormReactive implements OnInit {
   categoryItems: SelectOptionsItem[] = []
 
   constructor (
+    protected formReactiveService: FormReactiveService,
     private router: Router,
     private route: ActivatedRoute,
-    protected formValidatorService: FormValidatorService,
     private notifier: Notifier,
     private configService: ConfigService,
     private customPage: CustomPageService,
diff --git a/client/src/app/+admin/follows/following-list/follow-modal.component.ts b/client/src/app/+admin/follows/following-list/follow-modal.component.ts
index 07cc75d77..8f74e82a6 100644
--- a/client/src/app/+admin/follows/following-list/follow-modal.component.ts
+++ b/client/src/app/+admin/follows/following-list/follow-modal.component.ts
@@ -2,7 +2,7 @@ import { Component, EventEmitter, OnInit, Output, ViewChild } from '@angular/cor
 import { Notifier } from '@app/core'
 import { prepareIcu } from '@app/helpers'
 import { splitAndGetNotEmpty, UNIQUE_HOSTS_OR_HANDLE_VALIDATOR } from '@app/shared/form-validators/host-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { InstanceFollowService } from '@app/shared/shared-instance'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
 import { NgbModalRef } from '@ng-bootstrap/ng-bootstrap/modal/modal-ref'
@@ -22,7 +22,7 @@ export class FollowModalComponent extends FormReactive implements OnInit {
   private openedModal: NgbModalRef
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private modalService: NgbModal,
     private followService: InstanceFollowService,
     private notifier: Notifier
diff --git a/client/src/app/+admin/overview/users/user-edit/user-create.component.ts b/client/src/app/+admin/overview/users/user-edit/user-create.component.ts
index 1713e06ce..0627aa887 100644
--- a/client/src/app/+admin/overview/users/user-edit/user-create.component.ts
+++ b/client/src/app/+admin/overview/users/user-edit/user-create.component.ts
@@ -12,7 +12,7 @@ import {
   USER_VIDEO_QUOTA_DAILY_VALIDATOR,
   USER_VIDEO_QUOTA_VALIDATOR
 } from '@app/shared/form-validators/user-validators'
-import { FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactiveService } from '@app/shared/shared-forms'
 import { UserAdminService } from '@app/shared/shared-users'
 import { UserCreate, UserRole } from '@shared/models'
 import { UserEdit } from './user-edit'
@@ -27,7 +27,7 @@ export class UserCreateComponent extends UserEdit implements OnInit {
 
   constructor (
     protected serverService: ServerService,
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     protected configService: ConfigService,
     protected screenService: ScreenService,
     protected auth: AuthService,
diff --git a/client/src/app/+admin/overview/users/user-edit/user-password.component.ts b/client/src/app/+admin/overview/users/user-edit/user-password.component.ts
index 8999d1f00..d6616e077 100644
--- a/client/src/app/+admin/overview/users/user-edit/user-password.component.ts
+++ b/client/src/app/+admin/overview/users/user-edit/user-password.component.ts
@@ -1,7 +1,7 @@
 import { Component, Input, OnInit } from '@angular/core'
 import { Notifier } from '@app/core'
 import { USER_PASSWORD_VALIDATOR } from '@app/shared/form-validators/user-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { UserAdminService } from '@app/shared/shared-users'
 import { UserUpdate } from '@shared/models'
 
@@ -18,7 +18,7 @@ export class UserPasswordComponent extends FormReactive implements OnInit {
   @Input() userId: number
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private notifier: Notifier,
     private userAdminService: UserAdminService
   ) {
diff --git a/client/src/app/+admin/overview/users/user-edit/user-update.component.ts b/client/src/app/+admin/overview/users/user-edit/user-update.component.ts
index 1482a1902..71212b19c 100644
--- a/client/src/app/+admin/overview/users/user-edit/user-update.component.ts
+++ b/client/src/app/+admin/overview/users/user-edit/user-update.component.ts
@@ -9,7 +9,7 @@ import {
   USER_VIDEO_QUOTA_DAILY_VALIDATOR,
   USER_VIDEO_QUOTA_VALIDATOR
 } from '@app/shared/form-validators/user-validators'
-import { FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactiveService } from '@app/shared/shared-forms'
 import { TwoFactorService, UserAdminService } from '@app/shared/shared-users'
 import { User as UserType, UserAdminFlag, UserRole, UserUpdate } from '@shared/models'
 import { UserEdit } from './user-edit'
@@ -25,7 +25,7 @@ export class UserUpdateComponent extends UserEdit implements OnInit, OnDestroy {
   private paramsSub: Subscription
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     protected serverService: ServerService,
     protected configService: ConfigService,
     protected screenService: ScreenService,
diff --git a/client/src/app/+admin/plugins/plugin-show-installed/plugin-show-installed.component.ts b/client/src/app/+admin/plugins/plugin-show-installed/plugin-show-installed.component.ts
index ec02cfcd9..b1a41567e 100644
--- a/client/src/app/+admin/plugins/plugin-show-installed/plugin-show-installed.component.ts
+++ b/client/src/app/+admin/plugins/plugin-show-installed/plugin-show-installed.component.ts
@@ -4,7 +4,7 @@ import { Component, OnDestroy, OnInit } from '@angular/core'
 import { ActivatedRoute } from '@angular/router'
 import { HooksService, Notifier, PluginService } from '@app/core'
 import { BuildFormArgument } from '@app/shared/form-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { PeerTubePlugin, RegisterServerSettingOptions } from '@shared/models'
 import { PluginApiService } from '../shared/plugin-api.service'
 
@@ -22,7 +22,7 @@ export class PluginShowInstalledComponent extends FormReactive implements OnInit
   private npmName: string
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private pluginService: PluginService,
     private pluginAPIService: PluginApiService,
     private notifier: Notifier,
diff --git a/client/src/app/+login/login.component.ts b/client/src/app/+login/login.component.ts
index 9095e43a7..c1705807f 100644
--- a/client/src/app/+login/login.component.ts
+++ b/client/src/app/+login/login.component.ts
@@ -1,11 +1,10 @@
-
 import { AfterViewInit, Component, ElementRef, OnInit, ViewChild } from '@angular/core'
 import { ActivatedRoute, Router } from '@angular/router'
 import { AuthService, Notifier, RedirectService, SessionStorageService, UserService } from '@app/core'
 import { HooksService } from '@app/core/plugins/hooks.service'
 import { LOGIN_PASSWORD_VALIDATOR, LOGIN_USERNAME_VALIDATOR } from '@app/shared/form-validators/login-validators'
 import { USER_OTP_TOKEN_VALIDATOR } from '@app/shared/form-validators/user-validators'
-import { FormReactive, FormValidatorService, InputTextComponent } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService, InputTextComponent } from '@app/shared/shared-forms'
 import { InstanceAboutAccordionComponent } from '@app/shared/shared-instance'
 import { NgbAccordion, NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap'
 import { PluginsManager } from '@root-helpers/plugins-manager'
@@ -45,7 +44,7 @@ export class LoginComponent extends FormReactive implements OnInit, AfterViewIni
   private serverConfig: ServerConfig
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private route: ActivatedRoute,
     private modalService: NgbModal,
     private authService: AuthService,
diff --git a/client/src/app/+manage/video-channel-edit/video-channel-create.component.ts b/client/src/app/+manage/video-channel-edit/video-channel-create.component.ts
index 8211451a4..372066890 100644
--- a/client/src/app/+manage/video-channel-edit/video-channel-create.component.ts
+++ b/client/src/app/+manage/video-channel-edit/video-channel-create.component.ts
@@ -9,7 +9,7 @@ import {
   VIDEO_CHANNEL_NAME_VALIDATOR,
   VIDEO_CHANNEL_SUPPORT_VALIDATOR
 } from '@app/shared/form-validators/video-channel-validators'
-import { FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactiveService } from '@app/shared/shared-forms'
 import { VideoChannel, VideoChannelService } from '@app/shared/shared-main'
 import { HttpStatusCode, VideoChannelCreate } from '@shared/models'
 import { VideoChannelEdit } from './video-channel-edit'
@@ -26,7 +26,7 @@ export class VideoChannelCreateComponent extends VideoChannelEdit implements OnI
   private banner: FormData
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private authService: AuthService,
     private notifier: Notifier,
     private router: Router,
diff --git a/client/src/app/+manage/video-channel-edit/video-channel-update.component.ts b/client/src/app/+manage/video-channel-edit/video-channel-update.component.ts
index 7e8d6ffe6..32f6d650d 100644
--- a/client/src/app/+manage/video-channel-edit/video-channel-update.component.ts
+++ b/client/src/app/+manage/video-channel-edit/video-channel-update.component.ts
@@ -9,7 +9,7 @@ import {
   VIDEO_CHANNEL_DISPLAY_NAME_VALIDATOR,
   VIDEO_CHANNEL_SUPPORT_VALIDATOR
 } from '@app/shared/form-validators/video-channel-validators'
-import { FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactiveService } from '@app/shared/shared-forms'
 import { VideoChannel, VideoChannelService } from '@app/shared/shared-main'
 import { HTMLServerConfig, VideoChannelUpdate } from '@shared/models'
 import { VideoChannelEdit } from './video-channel-edit'
@@ -28,7 +28,7 @@ export class VideoChannelUpdateComponent extends VideoChannelEdit implements OnI
   private serverConfig: HTMLServerConfig
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private authService: AuthService,
     private notifier: Notifier,
     private route: ActivatedRoute,
diff --git a/client/src/app/+my-account/my-account-settings/my-account-change-email/my-account-change-email.component.ts b/client/src/app/+my-account/my-account-settings/my-account-change-email/my-account-change-email.component.ts
index 9e6b8e21d..235fbec4a 100644
--- a/client/src/app/+my-account/my-account-settings/my-account-change-email/my-account-change-email.component.ts
+++ b/client/src/app/+my-account/my-account-settings/my-account-change-email/my-account-change-email.component.ts
@@ -3,7 +3,7 @@ import { tap } from 'rxjs/operators'
 import { Component, OnInit } from '@angular/core'
 import { AuthService, ServerService, UserService } from '@app/core'
 import { USER_EMAIL_VALIDATOR, USER_PASSWORD_VALIDATOR } from '@app/shared/form-validators/user-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { HttpStatusCode, User } from '@shared/models'
 
 @Component({
@@ -17,7 +17,7 @@ export class MyAccountChangeEmailComponent extends FormReactive implements OnIni
   user: User = null
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private authService: AuthService,
     private userService: UserService,
     private serverService: ServerService
diff --git a/client/src/app/+my-account/my-account-settings/my-account-change-password/my-account-change-password.component.ts b/client/src/app/+my-account/my-account-settings/my-account-change-password/my-account-change-password.component.ts
index dd405de33..805d50070 100644
--- a/client/src/app/+my-account/my-account-settings/my-account-change-password/my-account-change-password.component.ts
+++ b/client/src/app/+my-account/my-account-settings/my-account-change-password/my-account-change-password.component.ts
@@ -6,7 +6,7 @@ import {
   USER_EXISTING_PASSWORD_VALIDATOR,
   USER_PASSWORD_VALIDATOR
 } from '@app/shared/form-validators/user-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { HttpStatusCode, User } from '@shared/models'
 
 @Component({
@@ -19,7 +19,7 @@ export class MyAccountChangePasswordComponent extends FormReactive implements On
   user: User = null
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private notifier: Notifier,
     private authService: AuthService,
     private userService: UserService
diff --git a/client/src/app/+my-account/my-account-settings/my-account-profile/my-account-profile.component.ts b/client/src/app/+my-account/my-account-settings/my-account-profile/my-account-profile.component.ts
index f395ad73f..8621eb7aa 100644
--- a/client/src/app/+my-account/my-account-settings/my-account-profile/my-account-profile.component.ts
+++ b/client/src/app/+my-account/my-account-settings/my-account-profile/my-account-profile.component.ts
@@ -2,7 +2,7 @@ import { Subject } from 'rxjs'
 import { Component, Input, OnInit } from '@angular/core'
 import { Notifier, User, UserService } from '@app/core'
 import { USER_DESCRIPTION_VALIDATOR, USER_DISPLAY_NAME_REQUIRED_VALIDATOR } from '@app/shared/form-validators/user-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 
 @Component({
   selector: 'my-account-profile',
@@ -16,7 +16,7 @@ export class MyAccountProfileComponent extends FormReactive implements OnInit {
   error: string = null
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private notifier: Notifier,
     private userService: UserService
   ) {
diff --git a/client/src/app/+my-library/my-ownership/my-accept-ownership/my-accept-ownership.component.ts b/client/src/app/+my-library/my-ownership/my-accept-ownership/my-accept-ownership.component.ts
index 8ead237c7..ca7eb680b 100644
--- a/client/src/app/+my-library/my-ownership/my-accept-ownership/my-accept-ownership.component.ts
+++ b/client/src/app/+my-library/my-ownership/my-accept-ownership/my-accept-ownership.component.ts
@@ -3,7 +3,7 @@ import { Component, ElementRef, EventEmitter, OnInit, Output, ViewChild } from '
 import { AuthService, Notifier } from '@app/core'
 import { listUserChannelsForSelect } from '@app/helpers'
 import { OWNERSHIP_CHANGE_CHANNEL_VALIDATOR } from '@app/shared/form-validators/video-ownership-change-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { VideoOwnershipService } from '@app/shared/shared-main'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
 import { VideoChangeOwnership } from '@shared/models'
@@ -24,7 +24,7 @@ export class MyAcceptOwnershipComponent extends FormReactive implements OnInit {
   error: string = null
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private videoOwnershipService: VideoOwnershipService,
     private notifier: Notifier,
     private authService: AuthService,
diff --git a/client/src/app/+my-library/my-video-channel-syncs/video-channel-sync-edit/video-channel-sync-edit.component.ts b/client/src/app/+my-library/my-video-channel-syncs/video-channel-sync-edit/video-channel-sync-edit.component.ts
index 9ceb6dfd1..a14ab5b92 100644
--- a/client/src/app/+my-library/my-video-channel-syncs/video-channel-sync-edit/video-channel-sync-edit.component.ts
+++ b/client/src/app/+my-library/my-video-channel-syncs/video-channel-sync-edit/video-channel-sync-edit.component.ts
@@ -5,7 +5,7 @@ import { Router } from '@angular/router'
 import { AuthService, Notifier } from '@app/core'
 import { listUserChannelsForSelect } from '@app/helpers'
 import { VIDEO_CHANNEL_EXTERNAL_URL_VALIDATOR } from '@app/shared/form-validators/video-channel-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { VideoChannelService, VideoChannelSyncService } from '@app/shared/shared-main'
 import { VideoChannelSyncCreate } from '@shared/models/videos'
 
@@ -20,7 +20,7 @@ export class VideoChannelSyncEditComponent extends FormReactive implements OnIni
   existingVideosStrategy: string
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private authService: AuthService,
     private router: Router,
     private notifier: Notifier,
diff --git a/client/src/app/+my-library/my-video-playlists/my-video-playlist-create.component.ts b/client/src/app/+my-library/my-video-playlists/my-video-playlist-create.component.ts
index 9eb3e9888..63f72df3f 100644
--- a/client/src/app/+my-library/my-video-playlists/my-video-playlist-create.component.ts
+++ b/client/src/app/+my-library/my-video-playlists/my-video-playlist-create.component.ts
@@ -9,7 +9,7 @@ import {
   VIDEO_PLAYLIST_DISPLAY_NAME_VALIDATOR,
   VIDEO_PLAYLIST_PRIVACY_VALIDATOR
 } from '@app/shared/form-validators/video-playlist-validators'
-import { FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactiveService } from '@app/shared/shared-forms'
 import { VideoPlaylistService } from '@app/shared/shared-video-playlist'
 import { VideoPlaylistCreate } from '@shared/models/videos/playlist/video-playlist-create.model'
 import { VideoPlaylistPrivacy } from '@shared/models/videos/playlist/video-playlist-privacy.model'
@@ -23,7 +23,7 @@ export class MyVideoPlaylistCreateComponent extends MyVideoPlaylistEdit implemen
   error: string
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private authService: AuthService,
     private notifier: Notifier,
     private router: Router,
diff --git a/client/src/app/+my-library/my-video-playlists/my-video-playlist-update.component.ts b/client/src/app/+my-library/my-video-playlists/my-video-playlist-update.component.ts
index ef7ba0018..bbe8a5f80 100644
--- a/client/src/app/+my-library/my-video-playlists/my-video-playlist-update.component.ts
+++ b/client/src/app/+my-library/my-video-playlists/my-video-playlist-update.component.ts
@@ -11,7 +11,7 @@ import {
   VIDEO_PLAYLIST_DISPLAY_NAME_VALIDATOR,
   VIDEO_PLAYLIST_PRIVACY_VALIDATOR
 } from '@app/shared/form-validators/video-playlist-validators'
-import { FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactiveService } from '@app/shared/shared-forms'
 import { VideoPlaylist, VideoPlaylistService } from '@app/shared/shared-video-playlist'
 import { VideoPlaylistUpdate } from '@shared/models'
 import { MyVideoPlaylistEdit } from './my-video-playlist-edit'
@@ -27,7 +27,7 @@ export class MyVideoPlaylistUpdateComponent extends MyVideoPlaylistEdit implemen
   private paramsSub: Subscription
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private authService: AuthService,
     private notifier: Notifier,
     private router: Router,
diff --git a/client/src/app/+my-library/my-videos/modals/video-change-ownership.component.ts b/client/src/app/+my-library/my-videos/modals/video-change-ownership.component.ts
index 960c9a4f7..72187e893 100644
--- a/client/src/app/+my-library/my-videos/modals/video-change-ownership.component.ts
+++ b/client/src/app/+my-library/my-videos/modals/video-change-ownership.component.ts
@@ -1,7 +1,7 @@
 import { Component, ElementRef, OnInit, ViewChild } from '@angular/core'
 import { Notifier, UserService } from '@app/core'
 import { OWNERSHIP_CHANGE_USERNAME_VALIDATOR } from '@app/shared/form-validators/video-ownership-change-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { Video, VideoOwnershipService } from '@app/shared/shared-main'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
 
@@ -20,7 +20,7 @@ export class VideoChangeOwnershipComponent extends FormReactive implements OnIni
   private video: Video | undefined = undefined
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private videoOwnershipService: VideoOwnershipService,
     private notifier: Notifier,
     private userService: UserService,
diff --git a/client/src/app/+reset-password/reset-password.component.ts b/client/src/app/+reset-password/reset-password.component.ts
index 11c5110fd..44216f978 100644
--- a/client/src/app/+reset-password/reset-password.component.ts
+++ b/client/src/app/+reset-password/reset-password.component.ts
@@ -3,7 +3,7 @@ import { ActivatedRoute, Router } from '@angular/router'
 import { Notifier, UserService } from '@app/core'
 import { RESET_PASSWORD_CONFIRM_VALIDATOR } from '@app/shared/form-validators/reset-password-validators'
 import { USER_PASSWORD_VALIDATOR } from '@app/shared/form-validators/user-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 
 @Component({
   selector: 'my-login',
@@ -16,7 +16,7 @@ export class ResetPasswordComponent extends FormReactive implements OnInit {
   private verificationString: string
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private userService: UserService,
     private notifier: Notifier,
     private router: Router,
diff --git a/client/src/app/+signup/+register/steps/register-step-channel.component.ts b/client/src/app/+signup/+register/steps/register-step-channel.component.ts
index c10b568ba..df92c5145 100644
--- a/client/src/app/+signup/+register/steps/register-step-channel.component.ts
+++ b/client/src/app/+signup/+register/steps/register-step-channel.component.ts
@@ -3,7 +3,7 @@ import { pairwise } from 'rxjs/operators'
 import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core'
 import { FormGroup } from '@angular/forms'
 import { VIDEO_CHANNEL_DISPLAY_NAME_VALIDATOR, VIDEO_CHANNEL_NAME_VALIDATOR } from '@app/shared/form-validators/video-channel-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { UserSignupService } from '@app/shared/shared-users'
 
 @Component({
@@ -19,7 +19,7 @@ export class RegisterStepChannelComponent extends FormReactive implements OnInit
   @Output() formBuilt = new EventEmitter<FormGroup>()
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private userSignupService: UserSignupService
   ) {
     super()
diff --git a/client/src/app/+signup/+register/steps/register-step-terms.component.ts b/client/src/app/+signup/+register/steps/register-step-terms.component.ts
index 87d16696e..2df963b30 100644
--- a/client/src/app/+signup/+register/steps/register-step-terms.component.ts
+++ b/client/src/app/+signup/+register/steps/register-step-terms.component.ts
@@ -1,9 +1,7 @@
 import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core'
 import { FormGroup } from '@angular/forms'
-import {
-  USER_TERMS_VALIDATOR
-} from '@app/shared/form-validators/user-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { USER_TERMS_VALIDATOR } from '@app/shared/form-validators/user-validators'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 
 @Component({
   selector: 'my-register-step-terms',
@@ -19,7 +17,7 @@ export class RegisterStepTermsComponent extends FormReactive implements OnInit {
   @Output() codeOfConductClick = new EventEmitter<void>()
 
   constructor (
-    protected formValidatorService: FormValidatorService
+    protected formReactiveService: FormReactiveService
   ) {
     super()
   }
diff --git a/client/src/app/+signup/+register/steps/register-step-user.component.ts b/client/src/app/+signup/+register/steps/register-step-user.component.ts
index b89e38a28..822f8f5c5 100644
--- a/client/src/app/+signup/+register/steps/register-step-user.component.ts
+++ b/client/src/app/+signup/+register/steps/register-step-user.component.ts
@@ -8,7 +8,7 @@ import {
   USER_PASSWORD_VALIDATOR,
   USER_USERNAME_VALIDATOR
 } from '@app/shared/form-validators/user-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { UserSignupService } from '@app/shared/shared-users'
 
 @Component({
@@ -23,7 +23,7 @@ export class RegisterStepUserComponent extends FormReactive implements OnInit {
   @Output() formBuilt = new EventEmitter<FormGroup>()
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private userSignupService: UserSignupService
   ) {
     super()
diff --git a/client/src/app/+signup/+verify-account/verify-account-ask-send-email/verify-account-ask-send-email.component.ts b/client/src/app/+signup/+verify-account/verify-account-ask-send-email/verify-account-ask-send-email.component.ts
index a0ed66a3a..06905f678 100644
--- a/client/src/app/+signup/+verify-account/verify-account-ask-send-email/verify-account-ask-send-email.component.ts
+++ b/client/src/app/+signup/+verify-account/verify-account-ask-send-email/verify-account-ask-send-email.component.ts
@@ -1,7 +1,7 @@
 import { Component, OnInit } from '@angular/core'
 import { Notifier, RedirectService, ServerService } from '@app/core'
 import { USER_EMAIL_VALIDATOR } from '@app/shared/form-validators/user-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { UserSignupService } from '@app/shared/shared-users'
 
 @Component({
@@ -14,7 +14,7 @@ export class VerifyAccountAskSendEmailComponent extends FormReactive implements
   requiresEmailVerification = false
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private userSignupService: UserSignupService,
     private serverService: ServerService,
     private notifier: Notifier,
diff --git a/client/src/app/+video-studio/edit/video-studio-edit.component.ts b/client/src/app/+video-studio/edit/video-studio-edit.component.ts
index bf91c237a..dad083bf9 100644
--- a/client/src/app/+video-studio/edit/video-studio-edit.component.ts
+++ b/client/src/app/+video-studio/edit/video-studio-edit.component.ts
@@ -1,7 +1,7 @@
 import { Component, OnInit } from '@angular/core'
 import { ActivatedRoute, Router } from '@angular/router'
 import { ConfirmService, Notifier, ServerService } from '@app/core'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { VideoDetails } from '@app/shared/shared-main'
 import { LoadingBarService } from '@ngx-loading-bar/core'
 import { logger } from '@root-helpers/logger'
@@ -20,7 +20,7 @@ export class VideoStudioEditComponent extends FormReactive implements OnInit {
   video: VideoDetails
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private serverService: ServerService,
     private notifier: Notifier,
     private router: Router,
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 95d83b131..4ab2d42db 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
@@ -1,7 +1,7 @@
 import { Component, ElementRef, EventEmitter, Input, OnInit, Output, ViewChild } from '@angular/core'
 import { ServerService } from '@app/core'
 import { VIDEO_CAPTION_FILE_VALIDATOR, VIDEO_CAPTION_LANGUAGE_VALIDATOR } from '@app/shared/form-validators/video-captions-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { VideoCaptionEdit } from '@app/shared/shared-main'
 import { NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap'
 import { HTMLServerConfig, VideoConstant } from '@shared/models'
@@ -26,7 +26,7 @@ export class VideoCaptionAddModalComponent extends FormReactive implements OnIni
   private closingModal = false
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private modalService: NgbModal,
     private serverService: ServerService
   ) {
diff --git a/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal-content/video-caption-edit-modal-content.component.ts b/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal-content/video-caption-edit-modal-content.component.ts
index f33353d36..2cb470a24 100644
--- a/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal-content/video-caption-edit-modal-content.component.ts
+++ b/client/src/app/+videos/+video-edit/shared/video-caption-edit-modal-content/video-caption-edit-modal-content.component.ts
@@ -1,8 +1,8 @@
 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 { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { VideoCaptionEdit, VideoCaptionService, VideoCaptionWithPathEdit } from '@app/shared/shared-main'
-import { NgbModal, NgbActiveModal } from '@ng-bootstrap/ng-bootstrap'
+import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap'
 import { HTMLServerConfig, VideoConstant } from '@shared/models'
 import { ServerService } from '../../../../core'
 
@@ -29,8 +29,7 @@ export class VideoCaptionEditModalContentComponent extends FormReactive implemen
 
   constructor (
     protected openedModal: NgbActiveModal,
-    protected formValidatorService: FormValidatorService,
-    private modalService: NgbModal,
+    protected formReactiveService: FormReactiveService,
     private videoCaptionService: VideoCaptionService,
     private serverService: ServerService
   ) {
diff --git a/client/src/app/+videos/+video-edit/video-add-components/video-go-live.component.ts b/client/src/app/+videos/+video-edit/video-add-components/video-go-live.component.ts
index 344b99ea2..4f2276e8c 100644
--- a/client/src/app/+videos/+video-edit/video-add-components/video-go-live.component.ts
+++ b/client/src/app/+videos/+video-edit/video-add-components/video-go-live.component.ts
@@ -3,7 +3,7 @@ import { AfterViewInit, Component, EventEmitter, OnInit, Output } from '@angular
 import { Router } from '@angular/router'
 import { AuthService, CanComponentDeactivate, HooksService, Notifier, ServerService } from '@app/core'
 import { scrollToTop } from '@app/helpers'
-import { FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactiveService } from '@app/shared/shared-forms'
 import { Video, VideoCaptionService, VideoEdit, VideoService } from '@app/shared/shared-main'
 import { LiveVideoService } from '@app/shared/shared-video-live'
 import { LoadingBarService } from '@ngx-loading-bar/core'
@@ -39,7 +39,7 @@ export class VideoGoLiveComponent extends VideoSend implements OnInit, AfterView
   error: string
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     protected loadingBar: LoadingBarService,
     protected notifier: Notifier,
     protected authService: AuthService,
diff --git a/client/src/app/+videos/+video-edit/video-add-components/video-import-torrent.component.ts b/client/src/app/+videos/+video-edit/video-add-components/video-import-torrent.component.ts
index 7b9531d27..4a1408a4a 100644
--- a/client/src/app/+videos/+video-edit/video-add-components/video-import-torrent.component.ts
+++ b/client/src/app/+videos/+video-edit/video-add-components/video-import-torrent.component.ts
@@ -3,7 +3,7 @@ import { AfterViewInit, Component, ElementRef, EventEmitter, OnInit, Output, Vie
 import { Router } from '@angular/router'
 import { AuthService, CanComponentDeactivate, HooksService, Notifier, ServerService } from '@app/core'
 import { scrollToTop } from '@app/helpers'
-import { FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactiveService } from '@app/shared/shared-forms'
 import { VideoCaptionService, VideoEdit, VideoImportService, VideoService } from '@app/shared/shared-main'
 import { LoadingBarService } from '@ngx-loading-bar/core'
 import { logger } from '@root-helpers/logger'
@@ -35,7 +35,7 @@ export class VideoImportTorrentComponent extends VideoSend implements OnInit, Af
   error: string
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     protected loadingBar: LoadingBarService,
     protected notifier: Notifier,
     protected authService: AuthService,
diff --git a/client/src/app/+videos/+video-edit/video-add-components/video-import-url.component.ts b/client/src/app/+videos/+video-edit/video-add-components/video-import-url.component.ts
index 422f0c643..502f3818e 100644
--- a/client/src/app/+videos/+video-edit/video-add-components/video-import-url.component.ts
+++ b/client/src/app/+videos/+video-edit/video-add-components/video-import-url.component.ts
@@ -4,7 +4,7 @@ import { AfterViewInit, Component, EventEmitter, OnInit, Output } from '@angular
 import { Router } from '@angular/router'
 import { AuthService, CanComponentDeactivate, HooksService, Notifier, ServerService } from '@app/core'
 import { scrollToTop } from '@app/helpers'
-import { FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactiveService } from '@app/shared/shared-forms'
 import { VideoCaptionService, VideoEdit, VideoImportService, VideoService } from '@app/shared/shared-main'
 import { LoadingBarService } from '@ngx-loading-bar/core'
 import { logger } from '@root-helpers/logger'
@@ -34,7 +34,7 @@ export class VideoImportUrlComponent extends VideoSend implements OnInit, AfterV
   error: string
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     protected loadingBar: LoadingBarService,
     protected notifier: Notifier,
     protected authService: AuthService,
diff --git a/client/src/app/+videos/+video-edit/video-add-components/video-upload.component.ts b/client/src/app/+videos/+video-edit/video-add-components/video-upload.component.ts
index 19fba2a83..b0d846664 100644
--- a/client/src/app/+videos/+video-edit/video-add-components/video-upload.component.ts
+++ b/client/src/app/+videos/+video-edit/video-add-components/video-upload.component.ts
@@ -5,7 +5,7 @@ import { AfterViewInit, Component, ElementRef, EventEmitter, OnDestroy, OnInit,
 import { ActivatedRoute, Router } from '@angular/router'
 import { AuthService, CanComponentDeactivate, HooksService, MetaService, Notifier, ServerService, UserService } from '@app/core'
 import { genericUploadErrorHandler, scrollToTop } from '@app/helpers'
-import { FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactiveService } from '@app/shared/shared-forms'
 import { BytesPipe, Video, VideoCaptionService, VideoEdit, VideoService } from '@app/shared/shared-main'
 import { LoadingBarService } from '@ngx-loading-bar/core'
 import { logger } from '@root-helpers/logger'
@@ -60,7 +60,7 @@ export class VideoUploadComponent extends VideoSend implements OnInit, OnDestroy
   private uploadServiceSubscription: Subscription
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     protected loadingBar: LoadingBarService,
     protected notifier: Notifier,
     protected authService: AuthService,
diff --git a/client/src/app/+videos/+video-edit/video-update.component.ts b/client/src/app/+videos/+video-edit/video-update.component.ts
index ed17dff06..212971447 100644
--- a/client/src/app/+videos/+video-edit/video-update.component.ts
+++ b/client/src/app/+videos/+video-edit/video-update.component.ts
@@ -4,7 +4,7 @@ import { SelectChannelItem } from 'src/types/select-options-item.model'
 import { Component, HostListener, OnInit } from '@angular/core'
 import { ActivatedRoute, Router } from '@angular/router'
 import { Notifier } from '@app/core'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { Video, VideoCaptionEdit, VideoCaptionService, VideoDetails, VideoEdit, VideoService } from '@app/shared/shared-main'
 import { LiveVideoService } from '@app/shared/shared-video-live'
 import { LoadingBarService } from '@ngx-loading-bar/core'
@@ -33,7 +33,7 @@ export class VideoUpdateComponent extends FormReactive implements OnInit {
   private updateDone = false
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private route: ActivatedRoute,
     private router: Router,
     private notifier: Notifier,
diff --git a/client/src/app/+videos/+video-watch/shared/comment/video-comment-add.component.ts b/client/src/app/+videos/+video-watch/shared/comment/video-comment-add.component.ts
index 9f4a68736..9a9bfe710 100644
--- a/client/src/app/+videos/+video-watch/shared/comment/video-comment-add.component.ts
+++ b/client/src/app/+videos/+video-watch/shared/comment/video-comment-add.component.ts
@@ -16,7 +16,7 @@ import {
 import { Router } from '@angular/router'
 import { Notifier, User } from '@app/core'
 import { VIDEO_COMMENT_TEXT_VALIDATOR } from '@app/shared/form-validators/video-comment-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { Video } from '@app/shared/shared-main'
 import { VideoComment, VideoCommentService } from '@app/shared/shared-video-comment'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
@@ -48,7 +48,7 @@ export class VideoCommentAddComponent extends FormReactive implements OnChanges,
   private emojiMarkupList: { emoji: string, name: string }[]
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private notifier: Notifier,
     private videoCommentService: VideoCommentService,
     private modalService: NgbModal,
diff --git a/client/src/app/shared/shared-abuse-list/abuse-message-modal.component.ts b/client/src/app/shared/shared-abuse-list/abuse-message-modal.component.ts
index d24a5d58d..12d503f56 100644
--- a/client/src/app/shared/shared-abuse-list/abuse-message-modal.component.ts
+++ b/client/src/app/shared/shared-abuse-list/abuse-message-modal.component.ts
@@ -1,6 +1,6 @@
 import { Component, EventEmitter, Input, OnInit, Output, ViewChild } from '@angular/core'
 import { AuthService, HtmlRendererService, Notifier } from '@app/core'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
 import { NgbModalRef } from '@ng-bootstrap/ng-bootstrap/modal/modal-ref'
 import { logger } from '@root-helpers/logger'
@@ -29,7 +29,7 @@ export class AbuseMessageModalComponent extends FormReactive implements OnInit {
   private abuse: UserAbuse
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private modalService: NgbModal,
     private htmlRenderer: HtmlRendererService,
     private auth: AuthService,
diff --git a/client/src/app/shared/shared-abuse-list/moderation-comment-modal.component.ts b/client/src/app/shared/shared-abuse-list/moderation-comment-modal.component.ts
index 2600da8da..4ad807d25 100644
--- a/client/src/app/shared/shared-abuse-list/moderation-comment-modal.component.ts
+++ b/client/src/app/shared/shared-abuse-list/moderation-comment-modal.component.ts
@@ -1,6 +1,6 @@
 import { Component, EventEmitter, OnInit, Output, ViewChild } from '@angular/core'
 import { Notifier } from '@app/core'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { AbuseService } from '@app/shared/shared-moderation'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
 import { NgbModalRef } from '@ng-bootstrap/ng-bootstrap/modal/modal-ref'
@@ -20,7 +20,7 @@ export class ModerationCommentModalComponent extends FormReactive implements OnI
   private openedModal: NgbModalRef
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private modalService: NgbModal,
     private notifier: Notifier,
     private abuseService: AbuseService
diff --git a/client/src/app/shared/shared-forms/form-reactive.service.ts b/client/src/app/shared/shared-forms/form-reactive.service.ts
index 69077eb07..f1b7e0ef2 100644
--- a/client/src/app/shared/shared-forms/form-reactive.service.ts
+++ b/client/src/app/shared/shared-forms/form-reactive.service.ts
@@ -56,7 +56,7 @@ export class FormReactiveService {
     }
   }
 
-  protected forceCheck (form: FormGroup, formErrors: any, validationMessages: FormReactiveValidationMessages) {
+  forceCheck (form: FormGroup, formErrors: any, validationMessages: FormReactiveValidationMessages) {
     this.onStatusChanged({ form, formErrors, validationMessages, onlyDirty: false })
   }
 
diff --git a/client/src/app/shared/shared-forms/form-reactive.ts b/client/src/app/shared/shared-forms/form-reactive.ts
index acaeaba33..d1e7be802 100644
--- a/client/src/app/shared/shared-forms/form-reactive.ts
+++ b/client/src/app/shared/shared-forms/form-reactive.ts
@@ -1,11 +1,9 @@
-import { AbstractControl, FormGroup } from '@angular/forms'
-import { wait } from '@root-helpers/utils'
+import { FormGroup } from '@angular/forms'
 import { BuildFormArgument, BuildFormDefaultValues } from '../form-validators/form-validator.model'
-import { FormReactiveErrors, FormReactiveValidationMessages } from './form-reactive.service'
-import { FormValidatorService } from './form-validator.service'
+import { FormReactiveService, FormReactiveValidationMessages } from './form-reactive.service'
 
 export abstract class FormReactive {
-  protected abstract formValidatorService: FormValidatorService
+  protected abstract formReactiveService: FormReactiveService
   protected formChanged = false
 
   form: FormGroup
@@ -13,86 +11,22 @@ export abstract class FormReactive {
   validationMessages: FormReactiveValidationMessages
 
   buildForm (obj: BuildFormArgument, defaultValues: BuildFormDefaultValues = {}) {
-    const { formErrors, validationMessages, form } = this.formValidatorService.buildForm(obj, defaultValues)
+    const { formErrors, validationMessages, form } = this.formReactiveService.buildForm(obj, defaultValues)
 
     this.form = form
     this.formErrors = formErrors
     this.validationMessages = validationMessages
-
-    this.form.statusChanges.subscribe(async () => {
-      // FIXME: remove when https://github.com/angular/angular/issues/41519 is fixed
-      await this.waitPendingCheck()
-
-      this.onStatusChanged(this.form, this.formErrors, this.validationMessages)
-    })
   }
 
   protected async waitPendingCheck () {
-    if (this.form.status !== 'PENDING') return
-
-    // FIXME: the following line does not work: https://github.com/angular/angular/issues/41519
-    // return firstValueFrom(this.form.statusChanges.pipe(filter(status => status !== 'PENDING')))
-    // So we have to fallback to active wait :/
-
-    do {
-      await wait(10)
-    } while (this.form.status === 'PENDING')
+    return this.formReactiveService.waitPendingCheck(this.form)
   }
 
-  protected markAllAsDirty (controlsArg?: { [ key: string ]: AbstractControl }) {
-    const controls = controlsArg || this.form.controls
-
-    for (const key of Object.keys(controls)) {
-      const control = controls[key]
-
-      if (control instanceof FormGroup) {
-        this.markAllAsDirty(control.controls)
-        continue
-      }
-
-      control.markAsDirty()
-    }
+  protected markAllAsDirty () {
+    return this.formReactiveService.markAllAsDirty(this.form.controls)
   }
 
   protected forceCheck () {
-    this.onStatusChanged(this.form, this.formErrors, this.validationMessages, false)
-  }
-
-  private onStatusChanged (
-    form: FormGroup,
-    formErrors: FormReactiveErrors,
-    validationMessages: FormReactiveValidationMessages,
-    onlyDirty = true
-  ) {
-    for (const field of Object.keys(formErrors)) {
-      if (formErrors[field] && typeof formErrors[field] === 'object') {
-        this.onStatusChanged(
-          form.controls[field] as FormGroup,
-          formErrors[field] as FormReactiveErrors,
-          validationMessages[field] as FormReactiveValidationMessages,
-          onlyDirty
-        )
-        continue
-      }
-
-      // clear previous error message (if any)
-      formErrors[field] = ''
-      const control = form.get(field)
-
-      if (control.dirty) this.formChanged = true
-
-      if (!control || (onlyDirty && !control.dirty) || !control.enabled || !control.errors) continue
-
-      const staticMessages = validationMessages[field]
-      for (const key of Object.keys(control.errors)) {
-        const formErrorValue = control.errors[key]
-
-        // Try to find error message in static validation messages first
-        // Then check if the validator returns a string that is the error
-        if (staticMessages[key]) formErrors[field] += staticMessages[key] + ' '
-        else if (typeof formErrorValue === 'string') formErrors[field] += control.errors[key]
-        else throw new Error('Form error value of ' + field + ' is invalid')
-      }
-    }
+    return this.formReactiveService.forceCheck(this.form, this.formErrors, this.validationMessages)
   }
 }
diff --git a/client/src/app/shared/shared-moderation/batch-domains-modal.component.ts b/client/src/app/shared/shared-moderation/batch-domains-modal.component.ts
index 20be728f6..ec2fea528 100644
--- a/client/src/app/shared/shared-moderation/batch-domains-modal.component.ts
+++ b/client/src/app/shared/shared-moderation/batch-domains-modal.component.ts
@@ -1,5 +1,5 @@
 import { Component, EventEmitter, Input, OnInit, Output, ViewChild } from '@angular/core'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
 import { NgbModalRef } from '@ng-bootstrap/ng-bootstrap/modal/modal-ref'
 import { splitAndGetNotEmpty, UNIQUE_HOSTS_VALIDATOR } from '../form-validators/host-validators'
@@ -18,7 +18,7 @@ export class BatchDomainsModalComponent extends FormReactive implements OnInit {
   private openedModal: NgbModalRef
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private modalService: NgbModal
   ) {
     super()
diff --git a/client/src/app/shared/shared-moderation/report-modals/account-report.component.ts b/client/src/app/shared/shared-moderation/report-modals/account-report.component.ts
index 78c9b3382..d587a9709 100644
--- a/client/src/app/shared/shared-moderation/report-modals/account-report.component.ts
+++ b/client/src/app/shared/shared-moderation/report-modals/account-report.component.ts
@@ -2,7 +2,7 @@ import { mapValues, pickBy } from 'lodash-es'
 import { Component, OnInit, ViewChild } from '@angular/core'
 import { Notifier } from '@app/core'
 import { ABUSE_REASON_VALIDATOR } from '@app/shared/form-validators/abuse-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { Account } from '@app/shared/shared-main'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
 import { NgbModalRef } from '@ng-bootstrap/ng-bootstrap/modal/modal-ref'
@@ -26,7 +26,7 @@ export class AccountReportComponent extends FormReactive implements OnInit {
   private openedModal: NgbModalRef
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private modalService: NgbModal,
     private abuseService: AbuseService,
     private notifier: Notifier
diff --git a/client/src/app/shared/shared-moderation/report-modals/comment-report.component.ts b/client/src/app/shared/shared-moderation/report-modals/comment-report.component.ts
index 7c0907ce4..e35d70c8f 100644
--- a/client/src/app/shared/shared-moderation/report-modals/comment-report.component.ts
+++ b/client/src/app/shared/shared-moderation/report-modals/comment-report.component.ts
@@ -2,7 +2,7 @@ import { mapValues, pickBy } from 'lodash-es'
 import { Component, Input, OnInit, ViewChild } from '@angular/core'
 import { Notifier } from '@app/core'
 import { ABUSE_REASON_VALIDATOR } from '@app/shared/form-validators/abuse-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { VideoComment } from '@app/shared/shared-video-comment'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
 import { NgbModalRef } from '@ng-bootstrap/ng-bootstrap/modal/modal-ref'
@@ -27,7 +27,7 @@ export class CommentReportComponent extends FormReactive implements OnInit {
   private openedModal: NgbModalRef
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private modalService: NgbModal,
     private abuseService: AbuseService,
     private notifier: Notifier
diff --git a/client/src/app/shared/shared-moderation/report-modals/video-report.component.ts b/client/src/app/shared/shared-moderation/report-modals/video-report.component.ts
index 38dd92910..16be8e0a1 100644
--- a/client/src/app/shared/shared-moderation/report-modals/video-report.component.ts
+++ b/client/src/app/shared/shared-moderation/report-modals/video-report.component.ts
@@ -3,7 +3,7 @@ import { Component, Input, OnInit, ViewChild } from '@angular/core'
 import { DomSanitizer } from '@angular/platform-browser'
 import { Notifier } from '@app/core'
 import { ABUSE_REASON_VALIDATOR } from '@app/shared/form-validators/abuse-validators'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
 import { NgbModalRef } from '@ng-bootstrap/ng-bootstrap/modal/modal-ref'
 import { abusePredefinedReasonsMap } from '@shared/core-utils/abuse'
@@ -27,7 +27,7 @@ export class VideoReportComponent extends FormReactive implements OnInit {
   private openedModal: NgbModalRef
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private modalService: NgbModal,
     private abuseService: AbuseService,
     private notifier: Notifier,
diff --git a/client/src/app/shared/shared-moderation/user-ban-modal.component.ts b/client/src/app/shared/shared-moderation/user-ban-modal.component.ts
index 617408f2a..27dcf043a 100644
--- a/client/src/app/shared/shared-moderation/user-ban-modal.component.ts
+++ b/client/src/app/shared/shared-moderation/user-ban-modal.component.ts
@@ -2,7 +2,7 @@ import { forkJoin } from 'rxjs'
 import { Component, EventEmitter, OnInit, Output, ViewChild } from '@angular/core'
 import { Notifier } from '@app/core'
 import { prepareIcu } from '@app/helpers'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
 import { NgbModalRef } from '@ng-bootstrap/ng-bootstrap/modal/modal-ref'
 import { User } from '@shared/models'
@@ -25,7 +25,7 @@ export class UserBanModalComponent extends FormReactive implements OnInit {
   modalMessage = ''
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private modalService: NgbModal,
     private notifier: Notifier,
     private userAdminService: UserAdminService,
diff --git a/client/src/app/shared/shared-moderation/video-block.component.ts b/client/src/app/shared/shared-moderation/video-block.component.ts
index f8b22a3f6..3ff53443a 100644
--- a/client/src/app/shared/shared-moderation/video-block.component.ts
+++ b/client/src/app/shared/shared-moderation/video-block.component.ts
@@ -1,7 +1,7 @@
 import { Component, EventEmitter, OnInit, Output, ViewChild } from '@angular/core'
 import { Notifier } from '@app/core'
 import { prepareIcu } from '@app/helpers'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { Video } from '@app/shared/shared-main'
 import { NgbModal } from '@ng-bootstrap/ng-bootstrap'
 import { NgbModalRef } from '@ng-bootstrap/ng-bootstrap/modal/modal-ref'
@@ -25,7 +25,7 @@ export class VideoBlockComponent extends FormReactive implements OnInit {
   private openedModal: NgbModalRef
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private modalService: NgbModal,
     private videoBlocklistService: VideoBlockService,
     private notifier: Notifier
diff --git a/client/src/app/shared/shared-user-settings/user-interface-settings.component.ts b/client/src/app/shared/shared-user-settings/user-interface-settings.component.ts
index 13e2e5424..c2c30d38b 100644
--- a/client/src/app/shared/shared-user-settings/user-interface-settings.component.ts
+++ b/client/src/app/shared/shared-user-settings/user-interface-settings.component.ts
@@ -1,7 +1,7 @@
 import { Subject, Subscription } from 'rxjs'
 import { Component, Input, OnDestroy, OnInit } from '@angular/core'
 import { AuthService, Notifier, ServerService, ThemeService, UserService } from '@app/core'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { HTMLServerConfig, User, UserUpdateMe } from '@shared/models'
 import { SelectOptionsItem } from 'src/types'
 
@@ -22,7 +22,7 @@ export class UserInterfaceSettingsComponent extends FormReactive implements OnIn
   private serverConfig: HTMLServerConfig
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private authService: AuthService,
     private notifier: Notifier,
     private userService: UserService,
diff --git a/client/src/app/shared/shared-user-settings/user-video-settings.component.ts b/client/src/app/shared/shared-user-settings/user-video-settings.component.ts
index 7d6b69469..af0870f12 100644
--- a/client/src/app/shared/shared-user-settings/user-video-settings.component.ts
+++ b/client/src/app/shared/shared-user-settings/user-video-settings.component.ts
@@ -3,7 +3,7 @@ import { Subject, Subscription } from 'rxjs'
 import { first } from 'rxjs/operators'
 import { Component, Input, OnDestroy, OnInit } from '@angular/core'
 import { AuthService, Notifier, ServerService, User, UserService } from '@app/core'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { UserUpdateMe } from '@shared/models'
 import { NSFWPolicyType } from '@shared/models/videos/nsfw-policy.type'
 
@@ -22,7 +22,7 @@ export class UserVideoSettingsComponent extends FormReactive implements OnInit,
   formValuesWatcher: Subscription
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private authService: AuthService,
     private notifier: Notifier,
     private userService: UserService,
diff --git a/client/src/app/shared/shared-user-subscription/remote-subscribe.component.ts b/client/src/app/shared/shared-user-subscription/remote-subscribe.component.ts
index 7bcfdd8aa..61bcd5345 100644
--- a/client/src/app/shared/shared-user-subscription/remote-subscribe.component.ts
+++ b/client/src/app/shared/shared-user-subscription/remote-subscribe.component.ts
@@ -1,6 +1,6 @@
 import { Component, Input, OnInit } from '@angular/core'
 import { Notifier } from '@app/core'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { logger } from '@root-helpers/logger'
 import { USER_HANDLE_VALIDATOR } from '../form-validators/user-validators'
 
@@ -15,7 +15,7 @@ export class RemoteSubscribeComponent extends FormReactive implements OnInit {
   @Input() showHelp = false
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private notifier: Notifier
   ) {
     super()
diff --git a/client/src/app/shared/shared-video-playlist/video-add-to-playlist.component.ts b/client/src/app/shared/shared-video-playlist/video-add-to-playlist.component.ts
index e019fdd26..f81de7c6b 100644
--- a/client/src/app/shared/shared-video-playlist/video-add-to-playlist.component.ts
+++ b/client/src/app/shared/shared-video-playlist/video-add-to-playlist.component.ts
@@ -3,7 +3,7 @@ import { Subject, Subscription } from 'rxjs'
 import { debounceTime, filter } from 'rxjs/operators'
 import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Input, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core'
 import { AuthService, DisableForReuseHook, Notifier } from '@app/core'
-import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
+import { FormReactive, FormReactiveService } from '@app/shared/shared-forms'
 import { secondsToTime } from '@shared/core-utils'
 import {
   Video,
@@ -59,7 +59,7 @@ export class VideoAddToPlaylistComponent extends FormReactive implements OnInit,
   private pendingAddId: number
 
   constructor (
-    protected formValidatorService: FormValidatorService,
+    protected formReactiveService: FormReactiveService,
     private authService: AuthService,
     private notifier: Notifier,
     private videoPlaylistService: VideoPlaylistService,