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 25b303f44..9a9298825 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
@@ -62,7 +62,7 @@ export class EditCustomConfigComponent extends FormReactive implements OnInit {
   }
 
   ngOnInit () {
-    const formGroupData = {
+    const formGroupData: any = {
       instanceName: this.customConfigValidatorsService.INSTANCE_NAME,
       instanceShortDescription: this.customConfigValidatorsService.INSTANCE_SHORT_DESCRIPTION,
       instanceDescription: null,
@@ -202,7 +202,7 @@ export class EditCustomConfigComponent extends FormReactive implements OnInit {
   }
 
   private updateForm () {
-    const data = {
+    const data: any = {
       instanceName: this.customConfig.instance.name,
       instanceShortDescription: this.customConfig.instance.shortDescription,
       instanceDescription: this.customConfig.instance.description,
diff --git a/client/src/app/+admin/users/user-edit/user-edit.ts b/client/src/app/+admin/users/user-edit/user-edit.ts
index 99ce5804b..a4d696e69 100644
--- a/client/src/app/+admin/users/user-edit/user-edit.ts
+++ b/client/src/app/+admin/users/user-edit/user-edit.ts
@@ -7,7 +7,7 @@ export abstract class UserEdit extends FormReactive {
 
   videoQuotaOptions: { value: string, label: string }[] = []
   videoQuotaDailyOptions: { value: string, label: string }[] = []
-  roles = Object.keys(USER_ROLE_LABELS).map(key => ({ value: key.toString(), label: USER_ROLE_LABELS[key] }))
+  roles = Object.keys(USER_ROLE_LABELS).map((key: any) => ({ value: key.toString(), label: USER_ROLE_LABELS[key] }))
 
   protected abstract serverService: ServerService
   protected abstract configService: ConfigService
diff --git a/client/src/app/+admin/users/user-list/user-list.component.ts b/client/src/app/+admin/users/user-list/user-list.component.ts
index ab2250722..0d7f88d2b 100644
--- a/client/src/app/+admin/users/user-list/user-list.component.ts
+++ b/client/src/app/+admin/users/user-list/user-list.component.ts
@@ -45,12 +45,12 @@ export class UserListComponent extends RestTable implements OnInit {
       {
         label: this.i18n('Ban'),
         handler: users => this.openBanUserModal(users),
-        isDisplayed: users => users.every(u => u.blocked === false)
+        isDisplayed: users => users.every((u: any) => u.blocked === false)
       },
       {
         label: this.i18n('Unban'),
         handler: users => this.unbanUsers(users),
-        isDisplayed: users => users.every(u => u.blocked === true)
+        isDisplayed: users => users.every((u: any) => u.blocked === true)
       }
     ]
   }
diff --git a/client/src/app/+my-account/my-account-video-channels/my-account-video-channel-update.component.ts b/client/src/app/+my-account/my-account-video-channels/my-account-video-channel-update.component.ts
index 56697030b..f2b8a4e26 100644
--- a/client/src/app/+my-account/my-account-video-channels/my-account-video-channel-update.component.ts
+++ b/client/src/app/+my-account/my-account-video-channels/my-account-video-channel-update.component.ts
@@ -17,7 +17,7 @@ import { VideoChannelValidatorsService } from '@app/shared/forms/form-validators
   styleUrls: [ './my-account-video-channel-edit.component.scss' ]
 })
 export class MyAccountVideoChannelUpdateComponent extends MyAccountVideoChannelEdit implements OnInit, OnDestroy {
-  @ViewChild('avatarfileInput') avatarfileInput
+  @ViewChild('avatarfileInput') avatarfileInput: any
 
   error: string
 
diff --git a/client/src/app/+my-account/my-account-videos/my-account-videos.component.ts b/client/src/app/+my-account/my-account-videos/my-account-videos.component.ts
index 7560f0128..52307f09e 100644
--- a/client/src/app/+my-account/my-account-videos/my-account-videos.component.ts
+++ b/client/src/app/+my-account/my-account-videos/my-account-videos.component.ts
@@ -66,7 +66,7 @@ export class MyAccountVideosComponent extends AbstractVideoList implements OnIni
   }
 
   isInSelectionMode () {
-    return Object.keys(this.checkedVideos).some(k => this.checkedVideos[ k ] === true)
+    return Object.keys(this.checkedVideos).some((k: any) => this.checkedVideos[ k ] === true)
   }
 
   getVideosObservable (page: number) {
@@ -81,7 +81,7 @@ export class MyAccountVideosComponent extends AbstractVideoList implements OnIni
 
   async deleteSelectedVideos () {
     const toDeleteVideosIds = Object.keys(this.checkedVideos)
-                                    .filter(k => this.checkedVideos[ k ] === true)
+                                    .filter((k: any) => this.checkedVideos[ k ] === true)
                                     .map(k => parseInt(k, 10))
 
     const res = await this.confirmService.confirm(
@@ -168,9 +168,10 @@ export class MyAccountVideosComponent extends AbstractVideoList implements OnIni
   }
 
   private spliceVideosById (id: number) {
-    for (const key of Object.keys(this.loadedPages)) {
+    let key: any
+    for (key of Object.keys(this.loadedPages)) {
       const videos = this.loadedPages[ key ]
-      const index = videos.findIndex(v => v.id === id)
+      const index = videos.findIndex((v: any) => v.id === id)
 
       if (index !== -1) {
         videos.splice(index, 1)
diff --git a/client/src/app/+my-account/my-account-videos/video-change-ownership/video-change-ownership.component.ts b/client/src/app/+my-account/my-account-videos/video-change-ownership/video-change-ownership.component.ts
index 7437b939a..eb3f9404f 100644
--- a/client/src/app/+my-account/my-account-videos/video-change-ownership/video-change-ownership.component.ts
+++ b/client/src/app/+my-account/my-account-videos/video-change-ownership/video-change-ownership.component.ts
@@ -49,7 +49,8 @@ export class VideoChangeOwnershipComponent extends FormReactive implements OnIni
       .catch((_) => _) // Called when closing (cancel) the modal without validating, do nothing
   }
 
-  search (event) {
+  // TODO: typing
+  search (event: any) {
     const query = event.query
     this.userService.autocomplete(query)
       .subscribe(
diff --git a/client/src/app/+my-account/shared/actor-avatar-info.component.ts b/client/src/app/+my-account/shared/actor-avatar-info.component.ts
index 7b80b1ed4..b4505a7f2 100644
--- a/client/src/app/+my-account/shared/actor-avatar-info.component.ts
+++ b/client/src/app/+my-account/shared/actor-avatar-info.component.ts
@@ -10,7 +10,7 @@ import { Account } from '@app/shared/account/account.model'
   styleUrls: [ './actor-avatar-info.component.scss' ]
 })
 export class ActorAvatarInfoComponent {
-  @ViewChild('avatarfileInput') avatarfileInput
+  @ViewChild('avatarfileInput') avatarfileInput: any
 
   @Input() actor: VideoChannel | Account
 
diff --git a/client/src/app/app.module.ts b/client/src/app/app.module.ts
index 34e890b40..371199442 100644
--- a/client/src/app/app.module.ts
+++ b/client/src/app/app.module.ts
@@ -69,7 +69,7 @@ export function metaFactory (serverService: ServerService): MetaLoader {
   providers: [
     {
       provide: TRANSLATIONS,
-      useFactory: (locale) => {
+      useFactory: (locale: string) => {
         // On dev mode, test localization
         if (isOnDevLocale()) {
           locale = buildFileLocale(getDevLocale())
diff --git a/client/src/app/core/auth/auth.service.ts b/client/src/app/core/auth/auth.service.ts
index 9c36b946e..5315c8b1d 100644
--- a/client/src/app/core/auth/auth.service.ts
+++ b/client/src/app/core/auth/auth.service.ts
@@ -221,7 +221,7 @@ export class AuthService {
   }
 
   refreshUserInformation () {
-    const obj = {
+    const obj: any = {
       access_token: this.user.getAccessToken(),
       refresh_token: null,
       token_type: this.user.getTokenType(),
diff --git a/client/src/app/core/server/server.service.ts b/client/src/app/core/server/server.service.ts
index 2f1ef1fc2..1663a052c 100644
--- a/client/src/app/core/server/server.service.ts
+++ b/client/src/app/core/server/server.service.ts
@@ -155,7 +155,7 @@ export class ServerService {
         .pipe(
           switchMap(translations => {
             return this.http.get(ServerService.BASE_VIDEO_URL + attributeName)
-                       .pipe(map(data => ({ data, translations })))
+                       .pipe(map((data: any) => ({ data, translations })))
           })
         )
         .subscribe(({ data, translations }) => {
diff --git a/client/src/app/core/theme/theme.service.ts b/client/src/app/core/theme/theme.service.ts
index a6eef0898..50c19ecac 100644
--- a/client/src/app/core/theme/theme.service.ts
+++ b/client/src/app/core/theme/theme.service.ts
@@ -5,7 +5,7 @@ import { peertubeLocalStorage } from '@app/shared/misc/peertube-local-storage'
 export class ThemeService {
   private theme = document.querySelector('body')
   private darkTheme = false
-  private previousTheme = {}
+  private previousTheme: { [ id: string ]: string } = {}
 
   constructor () {
     // initialise the alternative theme with dark theme colors
@@ -33,7 +33,7 @@ export class ThemeService {
     }
   }
 
-  private switchProperty (property, newValue?) {
+  private switchProperty (property: string, newValue?: string) {
     const propertyOldvalue = window.getComputedStyle(this.theme).getPropertyValue('--' + property)
     this.theme.style.setProperty('--' + property, (newValue) ? newValue : this.previousTheme[property])
     this.previousTheme[property] = propertyOldvalue
diff --git a/client/src/app/menu/menu.component.ts b/client/src/app/menu/menu.component.ts
index 95926f5f0..348700c09 100644
--- a/client/src/app/menu/menu.component.ts
+++ b/client/src/app/menu/menu.component.ts
@@ -18,7 +18,7 @@ export class MenuComponent implements OnInit {
   userHasAdminAccess = false
   helpVisible = false
 
-  private routesPerRight = {
+  private routesPerRight: any = {
     [UserRight.MANAGE_USERS]: '/admin/users',
     [UserRight.MANAGE_SERVER_FOLLOW]: '/admin/friends',
     [UserRight.MANAGE_VIDEO_ABUSES]: '/admin/moderation/video-abuses',
diff --git a/client/src/app/search/advanced-search.model.ts b/client/src/app/search/advanced-search.model.ts
index 033fa9bba..1d6c89282 100644
--- a/client/src/app/search/advanced-search.model.ts
+++ b/client/src/app/search/advanced-search.model.ts
@@ -53,7 +53,7 @@ export class AdvancedSearch {
   }
 
   containsValues () {
-    const obj = this.toUrlObject()
+    const obj: any = this.toUrlObject()
     for (const k of Object.keys(obj)) {
       if (k === 'sort') continue // Exception
 
@@ -113,7 +113,7 @@ export class AdvancedSearch {
   size () {
     let acc = 0
 
-    const obj = this.toUrlObject()
+    const obj: any = this.toUrlObject()
     for (const k of Object.keys(obj)) {
       if (k === 'sort') continue // Exception
 
diff --git a/client/src/app/shared/buttons/action-dropdown.component.ts b/client/src/app/shared/buttons/action-dropdown.component.ts
index 022ab5ee8..9877f639d 100644
--- a/client/src/app/shared/buttons/action-dropdown.component.ts
+++ b/client/src/app/shared/buttons/action-dropdown.component.ts
@@ -2,9 +2,9 @@ import { Component, Input } from '@angular/core'
 
 export type DropdownAction<T> = {
   label?: string
-  handler?: (T) => any
-  linkBuilder?: (T) => (string | number)[]
-  isDisplayed?: (T) => boolean
+  handler?: (T: any) => any
+  linkBuilder?: (T: any) => (string | number)[]
+  isDisplayed?: (T: any) => boolean
 }
 
 @Component({
diff --git a/client/src/app/shared/buttons/button.component.ts b/client/src/app/shared/buttons/button.component.ts
index 967cb1409..cccf98bc3 100644
--- a/client/src/app/shared/buttons/button.component.ts
+++ b/client/src/app/shared/buttons/button.component.ts
@@ -8,9 +8,9 @@ import { Component, Input } from '@angular/core'
 
 export class ButtonComponent {
   @Input() label = ''
-  @Input() className = undefined
-  @Input() icon = undefined
-  @Input() title = undefined
+  @Input() className: any = undefined
+  @Input() icon: any = undefined
+  @Input() title: any = undefined
 
   getTitle () {
     return this.title || this.label
diff --git a/client/src/app/shared/buttons/edit-button.component.ts b/client/src/app/shared/buttons/edit-button.component.ts
index 7abaacc26..ea552663a 100644
--- a/client/src/app/shared/buttons/edit-button.component.ts
+++ b/client/src/app/shared/buttons/edit-button.component.ts
@@ -8,5 +8,5 @@ import { Component, Input } from '@angular/core'
 
 export class EditButtonComponent {
   @Input() label: string
-  @Input() routerLink = []
+  @Input() routerLink: any = []
 }
diff --git a/client/src/app/shared/misc/help.component.ts b/client/src/app/shared/misc/help.component.ts
index ba0452e77..ccce1ccfa 100644
--- a/client/src/app/shared/misc/help.component.ts
+++ b/client/src/app/shared/misc/help.component.ts
@@ -60,7 +60,7 @@ export class HelpComponent implements OnInit, OnChanges {
   }
 
   private createMarkdownList (rules: string[]) {
-    const rulesToText = {
+    const rulesToText: any = {
       'emphasis': this.i18n('Emphasis'),
       'link': this.i18n('Links'),
       'newline': this.i18n('New lines'),
diff --git a/client/src/app/shared/misc/peertube-local-storage.ts b/client/src/app/shared/misc/peertube-local-storage.ts
index 260f994b6..fb5c45acf 100644
--- a/client/src/app/shared/misc/peertube-local-storage.ts
+++ b/client/src/app/shared/misc/peertube-local-storage.ts
@@ -6,7 +6,7 @@ class MemoryStorage {
   [key: string]: any
   [index: number]: string
 
-  getItem (key) {
+  getItem (key: any) {
     const stringKey = String(key)
     if (valuesMap.has(key)) {
       return String(valuesMap.get(stringKey))
@@ -15,11 +15,11 @@ class MemoryStorage {
     return null
   }
 
-  setItem (key, val) {
+  setItem (key: any, val: any) {
     valuesMap.set(String(key), String(val))
   }
 
-  removeItem (key) {
+  removeItem (key: any) {
     valuesMap.delete(key)
   }
 
diff --git a/client/src/app/shared/misc/utils.ts b/client/src/app/shared/misc/utils.ts
index c8b7ebc67..78be2e5dd 100644
--- a/client/src/app/shared/misc/utils.ts
+++ b/client/src/app/shared/misc/utils.ts
@@ -102,7 +102,7 @@ function objectToFormData (obj: any, form?: FormData, namespace?: string) {
   return fd
 }
 
-function lineFeedToHtml (obj: object, keyToNormalize: string) {
+function lineFeedToHtml (obj: any, keyToNormalize: string) {
   return immutableAssign(obj, {
     [keyToNormalize]: obj[keyToNormalize].replace(/\r?\n|\r/g, '<br />')
   })
diff --git a/client/src/app/shared/overview/videos-overview.model.ts b/client/src/app/shared/overview/videos-overview.model.ts
index cf02bdb3d..c8eafc8e8 100644
--- a/client/src/app/shared/overview/videos-overview.model.ts
+++ b/client/src/app/shared/overview/videos-overview.model.ts
@@ -16,4 +16,5 @@ export class VideosOverview implements VideosOverviewServer {
     tag: string
     videos: Video[]
   }[]
+  [key: string]: any
 }
diff --git a/client/src/app/shared/rest/rest-extractor.service.ts b/client/src/app/shared/rest/rest-extractor.service.ts
index 6492aa66d..934f6c618 100644
--- a/client/src/app/shared/rest/rest-extractor.service.ts
+++ b/client/src/app/shared/rest/rest-extractor.service.ts
@@ -33,7 +33,7 @@ export class RestExtractor {
     return this.applyToResultListData(result, this.convertDateToHuman, [ fieldsToConvert ])
   }
 
-  convertDateToHuman (target: object, fieldsToConvert: string[]) {
+  convertDateToHuman (target: any, fieldsToConvert: string[]) {
     fieldsToConvert.forEach(field => target[field] = dateToHuman(target[field]))
 
     return target
@@ -83,7 +83,7 @@ export class RestExtractor {
       errorMessage = err
     }
 
-    const errorObj = {
+    const errorObj: any = {
       message: errorMessage,
       status: undefined,
       body: undefined
diff --git a/client/src/app/shared/rest/rest.service.ts b/client/src/app/shared/rest/rest.service.ts
index 4560c2024..41824a18f 100644
--- a/client/src/app/shared/rest/rest.service.ts
+++ b/client/src/app/shared/rest/rest.service.ts
@@ -32,7 +32,7 @@ export class RestService {
     return newParams
   }
 
-  addObjectParams (params: HttpParams, object: object) {
+  addObjectParams (params: HttpParams, object: any) {
     for (const name of Object.keys(object)) {
       const value = object[name]
       if (!value) continue
diff --git a/client/src/app/shared/users/user.model.ts b/client/src/app/shared/users/user.model.ts
index 7c840ffa7..e6b612054 100644
--- a/client/src/app/shared/users/user.model.ts
+++ b/client/src/app/shared/users/user.model.ts
@@ -43,6 +43,7 @@ export class User implements UserServerModel {
 
   blocked: boolean
   blockedReason?: string
+  [key: string]: any
 
   constructor (hash: UserConstructorHash) {
     this.id = hash.id
diff --git a/client/src/app/shared/video/abstract-video-list.ts b/client/src/app/shared/video/abstract-video-list.ts
index 1f43f974c..87814d4ba 100644
--- a/client/src/app/shared/video/abstract-video-list.ts
+++ b/client/src/app/shared/video/abstract-video-list.ts
@@ -27,7 +27,7 @@ export abstract class AbstractVideoList implements OnInit, OnDestroy {
   sort: VideoSortField = '-publishedAt'
   categoryOneOf?: number
   defaultSort: VideoSortField = '-publishedAt'
-  syndicationItems = []
+  syndicationItems: any = []
 
   loadOnInit = true
   marginContent = true
@@ -59,7 +59,7 @@ export abstract class AbstractVideoList implements OnInit, OnDestroy {
   private resizeSubscription: Subscription
 
   abstract getVideosObservable (page: number): Observable<{ videos: Video[], totalVideos: number}>
-  abstract generateSyndicationList ()
+  abstract generateSyndicationList (): any
 
   get user () {
     return this.authService.getUser()
@@ -209,7 +209,7 @@ export abstract class AbstractVideoList implements OnInit, OnDestroy {
   }
 
   protected setNewRouteParams () {
-    const paramsObject = this.buildRouteParams()
+    const paramsObject: any = this.buildRouteParams()
 
     const queryParams = Object.keys(paramsObject).map(p => p + '=' + paramsObject[p]).join('&')
     this.location.replaceState(this.currentRoute, queryParams)
diff --git a/client/src/app/shared/video/video-edit.model.ts b/client/src/app/shared/video/video-edit.model.ts
index 0046be964..a62277e04 100644
--- a/client/src/app/shared/video/video-edit.model.ts
+++ b/client/src/app/shared/video/video-edit.model.ts
@@ -25,6 +25,7 @@ export class VideoEdit implements VideoUpdate {
   uuid?: string
   id?: number
   scheduleUpdate?: VideoScheduleUpdate
+  [key: string]: any
 
   constructor (video?: Video & { tags: string[], commentsEnabled: boolean, support: string, thumbnailUrl: string, previewUrl: string }) {
     if (video) {
@@ -49,7 +50,7 @@ export class VideoEdit implements VideoUpdate {
     }
   }
 
-  patch (values: Object) {
+  patch (values: any) {
     Object.keys(values).forEach((key) => {
       this[ key ] = values[ key ]
     })
diff --git a/client/src/app/shared/video/video-feed.component.ts b/client/src/app/shared/video/video-feed.component.ts
index 6922153c0..be6c80c3f 100644
--- a/client/src/app/shared/video/video-feed.component.ts
+++ b/client/src/app/shared/video/video-feed.component.ts
@@ -6,5 +6,5 @@ import { Component, Input } from '@angular/core'
   templateUrl: './video-feed.component.html'
 })
 export class VideoFeedComponent {
-  @Input() syndicationItems
+  @Input() syndicationItems: any
 }
diff --git a/client/src/app/shared/video/video.service.ts b/client/src/app/shared/video/video.service.ts
index 724a0bde9..6283cf84d 100644
--- a/client/src/app/shared/video/video.service.ts
+++ b/client/src/app/shared/video/video.service.ts
@@ -276,7 +276,7 @@ export class VideoService implements VideosProvider {
     return this.authHttp
                .get(environment.apiUrl + descriptionPath)
                .pipe(
-                 map(res => res[ 'description' ]),
+                 map((res: any) => res[ 'description' ]),
                  catchError(err => this.restExtractor.handleError(err))
                )
   }
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 07c33030a..a2c9237ad 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
@@ -19,7 +19,7 @@ export class VideoCaptionAddModalComponent extends FormReactive implements OnIni
 
   @ViewChild('modal') modal: ElementRef
 
-  videoCaptionLanguages = []
+  videoCaptionLanguages: any = []
 
   private openedModal: NgbModalRef
   private closingModal = false
@@ -73,7 +73,7 @@ export class VideoCaptionAddModalComponent extends FormReactive implements OnIni
     this.hide()
 
     const languageId = this.form.value[ 'language' ]
-    const languageObject = this.videoCaptionLanguages.find(l => l.id === languageId)
+    const languageObject = this.videoCaptionLanguages.find((l: any) => l.id === languageId)
 
     this.captionAdded.emit({
       language: languageObject,
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 eb9396d70..a56733e57 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
@@ -48,7 +48,7 @@ export class VideoEditComponent implements OnInit, OnDestroy {
   calendarTimezone: string
   calendarDateFormat: string
 
-  private schedulerInterval
+  private schedulerInterval: any
   private firstPatchDone = false
   private initialVideoCaptions: string[] = []
 
@@ -77,13 +77,13 @@ export class VideoEditComponent implements OnInit, OnDestroy {
   }
 
   updateForm () {
-    const defaultValues = {
+    const defaultValues: any = {
       nsfw: 'false',
       commentsEnabled: 'true',
       waitTranscoding: 'true',
       tags: []
     }
-    const obj = {
+    const obj: any = {
       name: this.videoValidatorsService.VIDEO_NAME,
       privacy: this.videoValidatorsService.VIDEO_PRIVACY,
       channelId: this.videoValidatorsService.VIDEO_CHANNEL,
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 0f7184ff8..9a50e2ab2 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
@@ -23,7 +23,7 @@ import { VideoImportService } from '@app/shared/video-import'
 })
 export class VideoImportTorrentComponent extends VideoSend implements OnInit, CanComponentDeactivate {
   @Output() firstStepDone = new EventEmitter<string>()
-  @ViewChild('torrentfileInput') torrentfileInput
+  @ViewChild('torrentfileInput') torrentfileInput: any
 
   videoFileName: string
   magnetUri = ''
diff --git a/client/src/app/videos/+video-edit/video-add-components/video-send.ts b/client/src/app/videos/+video-edit/video-add-components/video-send.ts
index 6d1bac3f2..cf9d47cbe 100644
--- a/client/src/app/videos/+video-edit/video-add-components/video-send.ts
+++ b/client/src/app/videos/+video-edit/video-add-components/video-send.ts
@@ -30,7 +30,7 @@ export abstract class VideoSend extends FormReactive implements OnInit, CanCompo
   protected videoService: VideoService
   protected videoCaptionService: VideoCaptionService
 
-  abstract canDeactivate ()
+  abstract canDeactivate (): any
 
   ngOnInit () {
     this.buildForm({})
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 941dc5441..fa6ee0c23 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
@@ -25,7 +25,7 @@ import { VideoCaptionService } from '@app/shared/video-caption'
 })
 export class VideoUploadComponent extends VideoSend implements OnInit, OnDestroy, CanComponentDeactivate {
   @Output() firstStepDone = new EventEmitter<string>()
-  @ViewChild('videofileInput') videofileInput
+  @ViewChild('videofileInput') videofileInput: any
 
   // So that it can be accessed in the template
   readonly SPECIAL_SCHEDULED_PRIVACY = VideoEdit.SPECIAL_SCHEDULED_PRIVACY
diff --git a/client/src/app/videos/+video-watch/comment/linkifier.service.ts b/client/src/app/videos/+video-watch/comment/linkifier.service.ts
index 3f4072efd..9ad419a69 100644
--- a/client/src/app/videos/+video-watch/comment/linkifier.service.ts
+++ b/client/src/app/videos/+video-watch/comment/linkifier.service.ts
@@ -1,7 +1,7 @@
 import { Injectable } from '@angular/core'
 import { getAbsoluteAPIUrl } from '@app/shared/misc/utils'
-import * as linkify from 'linkifyjs'
-import * as linkifyHtml from 'linkifyjs/html'
+const linkify = require('linkifyjs')
+const linkifyHtml = require('linkifyjs/html')
 
 @Injectable()
 export class LinkifierService {
@@ -40,7 +40,7 @@ export class LinkifierService {
     const TT_UNDERSCORE = TT.UNDERSCORE
     const TT_DOT = TT.DOT
 
-    function MENTION (value) {
+    function MENTION (value: any) {
       this.v = value
     }
 
diff --git a/client/src/app/videos/+video-watch/comment/video-comment-add.component.ts b/client/src/app/videos/+video-watch/comment/video-comment-add.component.ts
index fb7de0e04..ba3c0398e 100644
--- a/client/src/app/videos/+video-watch/comment/video-comment-add.component.ts
+++ b/client/src/app/videos/+video-watch/comment/video-comment-add.component.ts
@@ -76,7 +76,7 @@ export class VideoCommentAddComponent extends FormReactive implements OnInit {
     this.formValidated()
   }
 
-  openVisitorModal (event) {
+  openVisitorModal (event: any) {
     if (this.user === null) { // we only open it for visitors
       // fixing ng-bootstrap ModalService and the "Expression Changed After It Has Been Checked" Error
       event.srcElement.blur()
diff --git a/client/src/app/videos/+video-watch/comment/video-comment.component.ts b/client/src/app/videos/+video-watch/comment/video-comment.component.ts
index e90008de9..982470786 100644
--- a/client/src/app/videos/+video-watch/comment/video-comment.component.ts
+++ b/client/src/app/videos/+video-watch/comment/video-comment.component.ts
@@ -26,7 +26,7 @@ export class VideoCommentComponent implements OnInit, OnChanges {
   @Output() resetReply = new EventEmitter()
 
   sanitizedCommentHTML = ''
-  newParentComments = []
+  newParentComments: any = []
 
   constructor (
     private linkifierService: LinkifierService,
diff --git a/client/src/app/videos/+video-watch/comment/video-comment.model.ts b/client/src/app/videos/+video-watch/comment/video-comment.model.ts
index fe591811e..824fb24c3 100644
--- a/client/src/app/videos/+video-watch/comment/video-comment.model.ts
+++ b/client/src/app/videos/+video-watch/comment/video-comment.model.ts
@@ -14,7 +14,7 @@ export class VideoComment implements VideoCommentServerModel {
   account: AccountInterface
   totalReplies: number
   by: string
-  accountAvatarUrl
+  accountAvatarUrl: string
 
   constructor (hash: VideoCommentServerModel) {
     this.id = hash.id
diff --git a/client/src/app/videos/+video-watch/comment/video-comment.service.ts b/client/src/app/videos/+video-watch/comment/video-comment.service.ts
index 9bcb4b7de..7d9c2d0ad 100644
--- a/client/src/app/videos/+video-watch/comment/video-comment.service.ts
+++ b/client/src/app/videos/+video-watch/comment/video-comment.service.ts
@@ -32,7 +32,7 @@ export class VideoCommentService {
 
     return this.authHttp.post(url, normalizedComment)
                .pipe(
-                  map(data => this.extractVideoComment(data['comment'])),
+                  map((data: any) => this.extractVideoComment(data['comment'])),
                   catchError(err => this.restExtractor.handleError(err))
                )
   }
@@ -43,7 +43,7 @@ export class VideoCommentService {
 
     return this.authHttp.post(url, normalizedComment)
                .pipe(
-                 map(data => this.extractVideoComment(data[ 'comment' ])),
+                 map((data: any) => this.extractVideoComment(data[ 'comment' ])),
                  catchError(err => this.restExtractor.handleError(err))
                )
   }
diff --git a/client/src/app/videos/+video-watch/comment/video-comments.component.ts b/client/src/app/videos/+video-watch/comment/video-comments.component.ts
index c864d82b7..4c1bdf2dd 100644
--- a/client/src/app/videos/+video-watch/comment/video-comments.component.ts
+++ b/client/src/app/videos/+video-watch/comment/video-comments.component.ts
@@ -35,7 +35,7 @@ export class VideoCommentsComponent implements OnInit, OnChanges, OnDestroy {
   threadComments: { [ id: number ]: VideoCommentThreadTree } = {}
   threadLoading: { [ id: number ]: boolean } = {}
 
-  syndicationItems = []
+  syndicationItems: any = []
 
   private sub: Subscription
 
diff --git a/client/src/app/videos/+video-watch/video-watch.component.ts b/client/src/app/videos/+video-watch/video-watch.component.ts
index c5deddf05..ed5e723c9 100644
--- a/client/src/app/videos/+video-watch/video-watch.component.ts
+++ b/client/src/app/videos/+video-watch/video-watch.component.ts
@@ -7,7 +7,7 @@ import { VideoSupportComponent } from '@app/videos/+video-watch/modal/video-supp
 import { MetaService } from '@ngx-meta/core'
 import { NotificationsService } from 'angular2-notifications'
 import { forkJoin, Subscription } from 'rxjs'
-import * as videojs from 'video.js'
+const videojs = require('video.js')
 import 'videojs-hotkeys'
 import { Hotkey, HotkeysService } from 'angular2-hotkeys'
 import * as WebTorrent from 'webtorrent'
@@ -45,7 +45,7 @@ export class VideoWatchComponent implements OnInit, OnDestroy {
   @ViewChild('videoBlacklistModal') videoBlacklistModal: VideoBlacklistComponent
   @ViewChild('subscribeButton') subscribeButton: SubscribeButtonComponent
 
-  player: videojs.Player
+  player: any
   playerElement: HTMLVideoElement
   userRating: UserVideoRateType = null
   video: VideoDetails = null
@@ -435,7 +435,7 @@ export class VideoWatchComponent implements OnInit, OnDestroy {
     this.zone.runOutsideAngular(async () => {
       videojs(this.playerElement, videojsOptions, function () {
         self.player = this
-        this.on('customError', (event, data) => self.handleError(data.err))
+        this.on('customError', (data: any) => self.handleError(data.err))
 
         addContextMenu(self.player, self.video.embedUrl)
       })
@@ -448,7 +448,7 @@ export class VideoWatchComponent implements OnInit, OnDestroy {
     this.checkUserRating()
   }
 
-  private setRating (nextRating) {
+  private setRating (nextRating: string) {
     let method
     switch (nextRating) {
       case 'like':
@@ -466,11 +466,11 @@ export class VideoWatchComponent implements OnInit, OnDestroy {
           .subscribe(
             () => {
               // Update the video like attribute
-              this.updateVideoRating(this.userRating, nextRating)
-              this.userRating = nextRating
+              this.updateVideoRating(this.userRating, nextRating as VideoRateType)
+              this.userRating = nextRating as UserVideoRateType
             },
 
-            err => this.notificationsService.error(this.i18n('Error'), err.message)
+            (err: any) => this.notificationsService.error(this.i18n('Error'), err.message)
           )
   }
 
diff --git a/client/src/assets/player/peertube-chunk-store.ts b/client/src/assets/player/peertube-chunk-store.ts
index 767e46821..ac3f9e654 100644
--- a/client/src/assets/player/peertube-chunk-store.ts
+++ b/client/src/assets/player/peertube-chunk-store.ts
@@ -40,15 +40,15 @@ export class PeertubeChunkStore extends EventEmitter {
   // If the store is full
   private memoryChunks: { [ id: number ]: Buffer | true } = {}
   private databaseName: string
-  private putBulkTimeout
-  private cleanerInterval
+  private putBulkTimeout: any
+  private cleanerInterval: any
   private db: ChunkDatabase
   private expirationDB: ExpirationDatabase
   private readonly length: number
   private readonly lastChunkLength: number
   private readonly lastChunkIndex: number
 
-  constructor (chunkLength: number, opts) {
+  constructor (chunkLength: number, opts: any) {
     super()
 
     this.databaseName = 'webtorrent-chunks-'
@@ -113,13 +113,13 @@ export class PeertubeChunkStore extends EventEmitter {
     }, PeertubeChunkStore.BUFFERING_PUT_MS)
   }
 
-  get (index: number, opts, cb) {
+  get (index: number, opts: any, cb: any): any {
     if (typeof opts === 'function') return this.get(index, null, opts)
 
     // IndexDB could be slow, use our memory index first
     const memoryChunk = this.memoryChunks[index]
     if (memoryChunk === undefined) {
-      const err = new Error('Chunk not found')
+      const err = new Error('Chunk not found') as any
       err['notFound'] = true
 
       return process.nextTick(() => cb(err))
@@ -146,11 +146,11 @@ export class PeertubeChunkStore extends EventEmitter {
     })
   }
 
-  close (db) {
+  close (db: any) {
     return this.destroy(db)
   }
 
-  async destroy (cb) {
+  async destroy (cb: any) {
     try {
       if (this.pendingPut) {
         clearTimeout(this.putBulkTimeout)
@@ -225,7 +225,7 @@ export class PeertubeChunkStore extends EventEmitter {
     }
   }
 
-  private nextTick (cb, err, val?) {
+  private nextTick (cb: any, err: Error, val?: any) {
     process.nextTick(() => cb(err, val), undefined)
   }
 }
diff --git a/client/src/assets/player/peertube-link-button.ts b/client/src/assets/player/peertube-link-button.ts
index 715207bc0..b03952b47 100644
--- a/client/src/assets/player/peertube-link-button.ts
+++ b/client/src/assets/player/peertube-link-button.ts
@@ -1,11 +1,10 @@
-import * as videojs from 'video.js'
 import { VideoJSComponentInterface, videojsUntyped } from './peertube-videojs-typings'
 import { buildVideoLink } from './utils'
 
 const Button: VideoJSComponentInterface = videojsUntyped.getComponent('Button')
 class PeerTubeLinkButton extends Button {
 
-  constructor (player: videojs.Player, options) {
+  constructor (player: any, options: any) {
     super(player, options)
   }
 
diff --git a/client/src/assets/player/peertube-load-progress-bar.ts b/client/src/assets/player/peertube-load-progress-bar.ts
index aedc641e4..ee8a6cd81 100644
--- a/client/src/assets/player/peertube-load-progress-bar.ts
+++ b/client/src/assets/player/peertube-load-progress-bar.ts
@@ -4,7 +4,7 @@ const Component: VideoJSComponentInterface = videojsUntyped.getComponent('Compon
 
 class PeerTubeLoadProgressBar extends Component {
 
-  constructor (player, options) {
+  constructor (player: any, options: any) {
     super(player, options)
     this.partEls_ = []
     this.on(player, 'progress', this.update)
diff --git a/client/src/assets/player/peertube-player.ts b/client/src/assets/player/peertube-player.ts
index 792662b6c..ef9e7fcc0 100644
--- a/client/src/assets/player/peertube-player.ts
+++ b/client/src/assets/player/peertube-player.ts
@@ -75,12 +75,12 @@ function getVideojsOptions (options: {
         enableVolumeScroll: false,
         enableModifiersForNumbers: false,
 
-        fullscreenKey: function (event) {
+        fullscreenKey: function (event: any) {
           // fullscreen with the f key or Ctrl+Enter
           return event.key === 'f' || (event.ctrlKey && event.key === 'Enter')
         },
 
-        seekStep: function (event) {
+        seekStep: function (event: any) {
           // mimic VLC seek behavior, and default to 5 (original value is 5).
           if (event.ctrlKey && event.altKey) {
             return 5 * 60
@@ -95,26 +95,26 @@ function getVideojsOptions (options: {
 
         customKeys: {
           increasePlaybackRateKey: {
-            key: function (event) {
+            key: function (event: any) {
               return event.key === '>'
             },
-            handler: function (player) {
+            handler: function (player: any) {
               player.playbackRate((player.playbackRate() + 0.1).toFixed(2))
             }
           },
           decreasePlaybackRateKey: {
-            key: function (event) {
+            key: function (event: any) {
               return event.key === '<'
             },
-            handler: function (player) {
+            handler: function (player: any) {
               player.playbackRate((player.playbackRate() - 0.1).toFixed(2))
             }
           },
           frameByFrame: {
-            key: function (event) {
+            key: function (event: any) {
               return event.key === '.'
             },
-            handler: function (player, options, event) {
+            handler: function (player: any) {
               player.pause()
               // Calculate movement distance (assuming 30 fps)
               const dist = 1 / 30
diff --git a/client/src/assets/player/peertube-videojs-plugin.ts b/client/src/assets/player/peertube-videojs-plugin.ts
index 5cebab6d9..03def186e 100644
--- a/client/src/assets/player/peertube-videojs-plugin.ts
+++ b/client/src/assets/player/peertube-videojs-plugin.ts
@@ -1,11 +1,11 @@
-import * as videojs from 'video.js'
+const videojs = require('video.js')
 import * as WebTorrent from 'webtorrent'
 import { VideoFile } from '../../../../shared/models/videos/video.model'
 import { renderVideo } from './video-renderer'
 import './settings-menu-button'
 import { PeertubePluginOptions, UserWatching, VideoJSCaption, VideoJSComponentInterface, videojsUntyped } from './peertube-videojs-typings'
 import { isMobile, timeToInt, videoFileMaxByResolution, videoFileMinByResolution } from './utils'
-import * as CacheChunkStore from 'cache-chunk-store'
+const CacheChunkStore = require('cache-chunk-store')
 import { PeertubeChunkStore } from './peertube-chunk-store'
 import {
   getAverageBandwidthInStore,
@@ -61,11 +61,11 @@ class PeerTubePlugin extends Plugin {
 
   private player: any
   private currentVideoFile: VideoFile
-  private torrent: WebTorrent.Torrent
+  private torrent: any
   private videoCaptions: VideoJSCaption[]
 
-  private renderer
-  private fakeRenderer
+  private renderer: any
+  private fakeRenderer: any
   private destoyingFakeRenderer = false
 
   private autoResolution = true
@@ -73,17 +73,17 @@ class PeerTubePlugin extends Plugin {
   private isAutoResolutionObservation = false
   private playerRefusedP2P = false
 
-  private videoViewInterval
-  private torrentInfoInterval
-  private autoQualityInterval
-  private userWatchingVideoInterval
-  private addTorrentDelay
-  private qualityObservationTimer
-  private runAutoQualitySchedulerTimer
+  private videoViewInterval: any
+  private torrentInfoInterval: any
+  private autoQualityInterval: any
+  private userWatchingVideoInterval: any
+  private addTorrentDelay: any
+  private qualityObservationTimer: any
+  private runAutoQualitySchedulerTimer: any
 
   private downloadSpeeds: number[] = []
 
-  constructor (player: videojs.Player, options: PeertubePluginOptions) {
+  constructor (player: any, options: PeertubePluginOptions) {
     super(player, options)
 
     // Disable auto play on iOS
@@ -273,7 +273,7 @@ class PeerTubePlugin extends Plugin {
 
     const oldTorrent = this.torrent
     const torrentOptions = {
-      store: (chunkLength, storeOpts) => new CacheChunkStore(new PeertubeChunkStore(chunkLength, storeOpts), {
+      store: (chunkLength: any, storeOpts: any) => new CacheChunkStore(new PeertubeChunkStore(chunkLength, storeOpts), {
         max: 100
       })
     }
@@ -304,7 +304,7 @@ class PeerTubePlugin extends Plugin {
 
           if (err) return this.fallbackToHttp(options, done)
 
-          return this.tryToPlay(err => {
+          return this.tryToPlay((err: Error) => {
             if (err) return done(err)
 
             if (options.seek) this.seek(options.seek)
@@ -316,7 +316,7 @@ class PeerTubePlugin extends Plugin {
       }, options.delay || 0)
     })
 
-    this.torrent.on('error', err => console.error(err))
+    this.torrent.on('error', (err: any) => console.error(err))
 
     this.torrent.on('warning', (err: any) => {
       // We don't support HTTP tracker but we don't care -> we use the web socket tracker
@@ -350,7 +350,7 @@ class PeerTubePlugin extends Plugin {
     const playPromise = this.player.play()
     if (playPromise !== undefined) {
       return playPromise.then(done)
-                        .catch(err => {
+                        .catch((err: Error) => {
                           if (err.message.indexOf('The play() request was interrupted by a call to pause()') !== -1) {
                             return
                           }
@@ -627,7 +627,7 @@ class PeerTubePlugin extends Plugin {
       this.player.options_.inactivityTimeout = saveInactivityTimeout
     }
 
-    const settingsDialog = this.player.children_.find(c => c.name_ === 'SettingsDialog')
+    const settingsDialog = this.player.children_.find((c: any) => c.name_ === 'SettingsDialog')
 
     this.player.controlBar.on('mouseenter', () => disableInactivity())
     settingsDialog.on('mouseenter', () => disableInactivity())
@@ -641,7 +641,7 @@ class PeerTubePlugin extends Plugin {
     return this.videoFiles[Math.floor(this.videoFiles.length / 2)]
   }
 
-  private stopTorrent (torrent: WebTorrent.Torrent) {
+  private stopTorrent (torrent: any) {
     torrent.pause()
     // Pause does not remove actual peers (in particular the webseed peer)
     torrent.removePeer(torrent[ 'ws' ])
@@ -703,7 +703,7 @@ class PeerTubePlugin extends Plugin {
       const percent = time / this.player_.duration()
       return percent >= 1 ? 1 : percent
     }
-    SeekBar.prototype.handleMouseMove = function handleMouseMove (event) {
+    SeekBar.prototype.handleMouseMove = function handleMouseMove (event: any) {
       let newTime = this.calculateDistance(event) * this.player_.duration()
       if (newTime === this.player_.duration()) {
         newTime = newTime - 0.1
diff --git a/client/src/assets/player/peertube-videojs-typings.ts b/client/src/assets/player/peertube-videojs-typings.ts
index b117007af..98a33077d 100644
--- a/client/src/assets/player/peertube-videojs-typings.ts
+++ b/client/src/assets/player/peertube-videojs-typings.ts
@@ -1,4 +1,4 @@
-import * as videojs from 'video.js'
+const videojs = require('video.js')
 import { VideoFile } from '../../../../shared/models/videos/video.model'
 import { PeerTubePlugin } from './peertube-videojs-plugin'
 
@@ -11,9 +11,9 @@ declare namespace videojs {
 interface VideoJSComponentInterface {
   _player: videojs.Player
 
-  new (player: videojs.Player, options?: any)
+  new (player: videojs.Player, options?: any): any
 
-  registerComponent (name: string, obj: any)
+  registerComponent (name: string, obj: any): any
 }
 
 type VideoJSCaption = {
diff --git a/client/src/assets/player/resolution-menu-button.ts b/client/src/assets/player/resolution-menu-button.ts
index d53a24151..91818efc9 100644
--- a/client/src/assets/player/resolution-menu-button.ts
+++ b/client/src/assets/player/resolution-menu-button.ts
@@ -1,4 +1,3 @@
-import * as videojs from 'video.js'
 import { VideoJSComponentInterface, videojsUntyped } from './peertube-videojs-typings'
 import { ResolutionMenuItem } from './resolution-menu-item'
 
@@ -7,7 +6,7 @@ const MenuButton: VideoJSComponentInterface = videojsUntyped.getComponent('MenuB
 class ResolutionMenuButton extends MenuButton {
   label: HTMLElement
 
-  constructor (player: videojs.Player, options) {
+  constructor (player: any, options: any) {
     super(player, options)
     this.player = player
 
diff --git a/client/src/assets/player/resolution-menu-item.ts b/client/src/assets/player/resolution-menu-item.ts
index 0ab0f53b5..afe490abb 100644
--- a/client/src/assets/player/resolution-menu-item.ts
+++ b/client/src/assets/player/resolution-menu-item.ts
@@ -1,10 +1,9 @@
-import * as videojs from 'video.js'
 import { VideoJSComponentInterface, videojsUntyped } from './peertube-videojs-typings'
 
 const MenuItem: VideoJSComponentInterface = videojsUntyped.getComponent('MenuItem')
 class ResolutionMenuItem extends MenuItem {
 
-  constructor (player: videojs.Player, options) {
+  constructor (player: any, options: any) {
     const currentResolutionId = player.peertube().getCurrentResolutionId()
     options.selectable = true
     options.selected = options.id === currentResolutionId
@@ -18,7 +17,7 @@ class ResolutionMenuItem extends MenuItem {
     player.peertube().on('autoResolutionUpdate', () => this.updateSelection())
   }
 
-  handleClick (event) {
+  handleClick (event: any) {
     if (this.id === -1 && this.player_.peertube().isAutoResolutionForbidden()) return
 
     super.handleClick(event)
diff --git a/client/src/assets/player/settings-menu-button.ts b/client/src/assets/player/settings-menu-button.ts
index b51c52506..f0ccb5862 100644
--- a/client/src/assets/player/settings-menu-button.ts
+++ b/client/src/assets/player/settings-menu-button.ts
@@ -1,7 +1,7 @@
 // Author: Yanko Shterev
 // Thanks https://github.com/yshterev/videojs-settings-menu
 
-import * as videojs from 'video.js'
+const videojs = require('video.js')
 import { SettingsMenuItem } from './settings-menu-item'
 import { VideoJSComponentInterface, videojsUntyped } from './peertube-videojs-typings'
 import { toTitleCase } from './utils'
@@ -11,7 +11,7 @@ const Menu: VideoJSComponentInterface = videojsUntyped.getComponent('Menu')
 const Component: VideoJSComponentInterface = videojsUntyped.getComponent('Component')
 
 class SettingsButton extends Button {
-  constructor (player: videojs.Player, options) {
+  constructor (player: any, options: any) {
     super(player, options)
 
     this.playerComponent = player
@@ -48,7 +48,7 @@ class SettingsButton extends Button {
     }
   }
 
-  onDisposeSettingsItem (event, name: string) {
+  onDisposeSettingsItem (name: string) {
     if (name === undefined) {
       let children = this.menu.children()
 
@@ -74,7 +74,7 @@ class SettingsButton extends Button {
     }
   }
 
-  onAddSettingsItem (event, data) {
+  onAddSettingsItem (data: any) {
     const [ entry, options ] = data
 
     this.addMenuItem(entry, options)
@@ -120,7 +120,7 @@ class SettingsButton extends Button {
     this.resetChildren()
   }
 
-  getComponentSize (element) {
+  getComponentSize (element: any) {
     let width: number = null
     let height: number = null
 
@@ -178,7 +178,7 @@ class SettingsButton extends Button {
     this.panelChild.addChild(this.menu)
   }
 
-  addMenuItem (entry, options) {
+  addMenuItem (entry: any, options: any) {
     const openSubMenu = function () {
       if (videojsUntyped.dom.hasClass(this.el_, 'open')) {
         videojsUntyped.dom.removeClass(this.el_, 'open')
@@ -218,7 +218,7 @@ class SettingsButton extends Button {
 }
 
 class SettingsPanel extends Component {
-  constructor (player: videojs.Player, options) {
+  constructor (player: any, options: any) {
     super(player, options)
   }
 
@@ -232,7 +232,7 @@ class SettingsPanel extends Component {
 }
 
 class SettingsPanelChild extends Component {
-  constructor (player: videojs.Player, options) {
+  constructor (player: any, options: any) {
     super(player, options)
   }
 
@@ -246,7 +246,7 @@ class SettingsPanelChild extends Component {
 }
 
 class SettingsDialog extends Component {
-  constructor (player: videojs.Player, options) {
+  constructor (player: any, options: any) {
     super(player, options)
     this.hide()
   }
diff --git a/client/src/assets/player/settings-menu-item.ts b/client/src/assets/player/settings-menu-item.ts
index 665ce6fc2..2d752b62e 100644
--- a/client/src/assets/player/settings-menu-item.ts
+++ b/client/src/assets/player/settings-menu-item.ts
@@ -1,7 +1,6 @@
 // Author: Yanko Shterev
 // Thanks https://github.com/yshterev/videojs-settings-menu
 
-import * as videojs from 'video.js'
 import { toTitleCase } from './utils'
 import { VideoJSComponentInterface, videojsUntyped } from './peertube-videojs-typings'
 
@@ -10,7 +9,7 @@ const component: VideoJSComponentInterface = videojsUntyped.getComponent('Compon
 
 class SettingsMenuItem extends MenuItem {
 
-  constructor (player: videojs.Player, options, entry: string, menuButton: VideoJSComponentInterface) {
+  constructor (player: any, options: any, entry: string, menuButton: VideoJSComponentInterface) {
     super(player, options)
 
     this.settingsButton = menuButton
@@ -55,7 +54,7 @@ class SettingsMenuItem extends MenuItem {
     this.transitionEndHandler = this.onTransitionEnd.bind(this)
   }
 
-  onSubmenuClick (event) {
+  onSubmenuClick (event: any) {
     let target = null
 
     if (event.type === 'tap') {
@@ -150,7 +149,7 @@ class SettingsMenuItem extends MenuItem {
    *
    * @method PrefixedEvent
    */
-  PrefixedEvent (element, type, callback, action = 'addEvent') {
+  PrefixedEvent (element: any, type: any, callback: any, action = 'addEvent') {
     let prefix = ['webkit', 'moz', 'MS', 'o', '']
 
     for (let p = 0; p < prefix.length; p++) {
@@ -166,7 +165,7 @@ class SettingsMenuItem extends MenuItem {
     }
   }
 
-  onTransitionEnd (event) {
+  onTransitionEnd (event: any) {
     if (event.propertyName !== 'margin-right') {
       return
     }
@@ -229,7 +228,7 @@ class SettingsMenuItem extends MenuItem {
     )
   }
 
-  update (event?: Event) {
+  update (event?: any) {
     let target = null
     let subMenu = this.subMenu.name()
 
diff --git a/client/src/assets/player/theater-button.ts b/client/src/assets/player/theater-button.ts
index 5cf0b6425..b761f6030 100644
--- a/client/src/assets/player/theater-button.ts
+++ b/client/src/assets/player/theater-button.ts
@@ -6,7 +6,7 @@ class TheaterButton extends Button {
 
   private static readonly THEATER_MODE_CLASS = 'vjs-theater-enabled'
 
-  constructor (player, options) {
+  constructor (player: any, options: any) {
     super(player, options)
 
     const enabled = getStoredTheater()
diff --git a/client/src/assets/player/utils.ts b/client/src/assets/player/utils.ts
index cf4f60f55..46081c0d2 100644
--- a/client/src/assets/player/utils.ts
+++ b/client/src/assets/player/utils.ts
@@ -12,7 +12,7 @@ const dictionaryBytes: Array<{max: number, type: string}> = [
   { max: 1073741824, type: 'MB' },
   { max: 1.0995116e12, type: 'GB' }
 ]
-function bytes (value) {
+function bytes (value: any) {
   const format = dictionaryBytes.find(d => value < d.max) || dictionaryBytes[dictionaryBytes.length - 1]
   const calc = Math.floor(value / (format.max / 1024)).toString()
 
diff --git a/client/src/assets/player/video-renderer.ts b/client/src/assets/player/video-renderer.ts
index 2cb05a448..a3415937b 100644
--- a/client/src/assets/player/video-renderer.ts
+++ b/client/src/assets/player/video-renderer.ts
@@ -1,9 +1,9 @@
 // Thanks: https://github.com/feross/render-media
 // TODO: use render-media once https://github.com/feross/render-media/issues/32 is fixed
 
-import * as MediaElementWrapper from 'mediasource'
+const MediaElementWrapper = require('mediasource')
 import { extname } from 'path'
-import * as videostream from 'videostream'
+const videostream = require('videostream')
 
 const VIDEOSTREAM_EXTS = [
   '.m4a',
@@ -17,7 +17,7 @@ type RenderMediaOptions = {
 }
 
 function renderVideo (
-  file,
+  file: any,
   elem: HTMLVideoElement,
   opts: RenderMediaOptions,
   callback: (err: Error, renderer: any) => void
@@ -27,11 +27,11 @@ function renderVideo (
   return renderMedia(file, elem, opts, callback)
 }
 
-function renderMedia (file, elem: HTMLVideoElement, opts: RenderMediaOptions, callback: (err: Error, renderer?: any) => void) {
+function renderMedia (file: any, elem: HTMLVideoElement, opts: RenderMediaOptions, callback: (err: Error, renderer?: any) => void) {
   const extension = extname(file.name).toLowerCase()
-  let preparedElem = undefined
+  let preparedElem: any = undefined
   let currentTime = 0
-  let renderer
+  let renderer: any
 
   try {
     if (VIDEOSTREAM_EXTS.indexOf(extension) >= 0) {
@@ -45,7 +45,7 @@ function renderMedia (file, elem: HTMLVideoElement, opts: RenderMediaOptions, ca
 
   function useVideostream () {
     prepareElem()
-    preparedElem.addEventListener('error', function onError (err) {
+    preparedElem.addEventListener('error', function onError (err: Error) {
       preparedElem.removeEventListener('error', onError)
 
       return callback(err)
@@ -58,7 +58,7 @@ function renderMedia (file, elem: HTMLVideoElement, opts: RenderMediaOptions, ca
     const codecs = getCodec(file.name, useVP9)
 
     prepareElem()
-    preparedElem.addEventListener('error', function onError (err) {
+    preparedElem.addEventListener('error', function onError (err: Error) {
       preparedElem.removeEventListener('error', onError)
 
       // Try with vp9 before returning an error
@@ -102,7 +102,7 @@ function renderMedia (file, elem: HTMLVideoElement, opts: RenderMediaOptions, ca
   }
 }
 
-function validateFile (file) {
+function validateFile (file: any) {
   if (file == null) {
     throw new Error('file cannot be null or undefined')
   }
diff --git a/client/src/assets/player/webtorrent-info-button.ts b/client/src/assets/player/webtorrent-info-button.ts
index deef253ce..5b9d0a401 100644
--- a/client/src/assets/player/webtorrent-info-button.ts
+++ b/client/src/assets/player/webtorrent-info-button.ts
@@ -65,7 +65,7 @@ class WebtorrentInfoButton extends Button {
     subDivHttp.appendChild(subDivHttpText)
     div.appendChild(subDivHttp)
 
-    this.player_.peertube().on('torrentInfo', (event, data) => {
+    this.player_.peertube().on('torrentInfo', (data: any) => {
       // We are in HTTP fallback
       if (!data) {
         subDivHttp.className = 'vjs-peertube-displayed'
diff --git a/client/src/main.ts b/client/src/main.ts
index f456e89c5..dee962180 100644
--- a/client/src/main.ts
+++ b/client/src/main.ts
@@ -8,7 +8,7 @@ import { hmrBootstrap } from './hmr'
 import { getDevLocale, isOnDevLocale } from '@app/shared/i18n/i18n-utils'
 import { buildFileLocale } from '../../shared'
 
-let providers = []
+let providers: any[] = []
 if (environment.production) {
   enableProdMode()
 }
diff --git a/client/src/polyfills.ts b/client/src/polyfills.ts
index eec30760d..dfe45b591 100644
--- a/client/src/polyfills.ts
+++ b/client/src/polyfills.ts
@@ -18,24 +18,26 @@
  * BROWSER POLYFILLS
  */
 
-/** IE9, IE10 and IE11 requires all of the following polyfills. **/
+/**
+ * IE9, IE10 and IE11 requires all of the following polyfills.
+ */
 
 // For Google Bot
-import 'core-js/es6/symbol';
-import 'core-js/es6/object';
-import 'core-js/es6/function';
-import 'core-js/es6/parse-int';
-import 'core-js/es6/parse-float';
-import 'core-js/es6/number';
-import 'core-js/es6/math';
-import 'core-js/es6/string';
-import 'core-js/es6/date';
-import 'core-js/es6/array';
-import 'core-js/es6/regexp';
-import 'core-js/es6/map';
-import 'core-js/es6/weak-map';
-import 'core-js/es6/set';
-import 'core-js/es7/object';
+import 'core-js/es6/symbol'
+import 'core-js/es6/object'
+import 'core-js/es6/function'
+import 'core-js/es6/parse-int'
+import 'core-js/es6/parse-float'
+import 'core-js/es6/number'
+import 'core-js/es6/math'
+import 'core-js/es6/string'
+import 'core-js/es6/date'
+import 'core-js/es6/array'
+import 'core-js/es6/regexp'
+import 'core-js/es6/map'
+import 'core-js/es6/weak-map'
+import 'core-js/es6/set'
+import 'core-js/es7/object'
 
 /** IE10 and IE11 requires the following for NgClass support on SVG elements */
 // import 'classlist.js';  // Run `npm install --save classlist.js`.
@@ -43,17 +45,18 @@ import 'core-js/es7/object';
 /** IE10 and IE11 requires the following for the Reflect API. */
 
 // For Google Bot
-import 'core-js/es6/reflect';
+import 'core-js/es6/reflect'
 
-/** Evergreen browsers require these. **/
+/**
+ * Evergreen browsers require these.
+ */
 // Used for reflect-metadata in JIT. If you use AOT (and only Angular decorators), you can remove.
 import 'core-js/es7/reflect'
 
-
 /**
  * Required to support Web Animations `@angular/platform-browser/animations`.
  * Needed for: All but Chrome, Firefox and Opera. http://caniuse.com/#feat=web-animation
- **/
+ */
 // import 'web-animations-js';  // Run `npm install --save web-animations-js`.
 
 /**
@@ -70,19 +73,17 @@ import 'core-js/es7/reflect'
 */
 // (window as any).__Zone_enable_cross_context_check = true;
 
-
 /***************************************************************************************************
  * Zone JS is required by default for Angular itself.
  */
 import 'zone.js/dist/zone'  // Included with Angular CLI.
 
-
 /***************************************************************************************************
  * APPLICATION IMPORTS
  */
 
 // global/process polyfills
 
-;(window as any).global = window;
-;(window as any).process = require('process/');
-;(window as any).Buffer = require('buffer/').Buffer;
+;(window as any).global = window
+;(window as any).process = require('process/')
+;(window as any).Buffer = require('buffer/').Buffer
diff --git a/client/src/shims/noop.ts b/client/src/shims/noop.ts
index 899b69bf3..086a60e32 100644
--- a/client/src/shims/noop.ts
+++ b/client/src/shims/noop.ts
@@ -1,3 +1,3 @@
 // Does nothing. Used to shim out node.js modules
 // which are no-ops in the browser.
-export const NOOP = 0
\ No newline at end of file
+export const NOOP = 0
diff --git a/client/src/standalone/videos/embed.ts b/client/src/standalone/videos/embed.ts
index ea3436c7c..e5a2d208a 100644
--- a/client/src/standalone/videos/embed.ts
+++ b/client/src/standalone/videos/embed.ts
@@ -17,7 +17,7 @@ import 'core-js/es6/set'
 // For google bot that uses Chrome 41 and does not understand fetch
 import 'whatwg-fetch'
 
-import * as vjs from 'video.js'
+const vjs = require('video.js')
 import * as Channel from 'jschannel'
 
 import { peertubeTranslate, ResultList, VideoDetails } from '../../../../shared'
@@ -304,7 +304,7 @@ class PeerTubeEmbed {
 
     this.playerOptions = videojsOptions
     this.player = vjs(this.videoContainerId, videojsOptions, () => {
-      this.player.on('customError', (event, data) => this.handleError(data.err))
+      this.player.on('customError', (data: any) => this.handleError(data.err))
 
       window[ 'videojsPlayer' ] = this.player
 
diff --git a/client/src/standalone/videos/test-embed.ts b/client/src/standalone/videos/test-embed.ts
index dba331e90..b750c2ee6 100644
--- a/client/src/standalone/videos/test-embed.ts
+++ b/client/src/standalone/videos/test-embed.ts
@@ -66,11 +66,11 @@ window.addEventListener('load', async () => {
     updateRates()
   })
 
-  let updateResolutions = resolutions => {
+  let updateResolutions = ((resolutions: any) => {
     let resolutionListEl = document.querySelector('#resolution-list')
     resolutionListEl.innerHTML = ''
 
-    resolutions.forEach(resolution => {
+    resolutions.forEach((resolution: any) => {
       if (resolution.active) {
         let itemEl = document.createElement('strong')
         itemEl.innerText = `${resolution.label} (active)`
@@ -87,7 +87,7 @@ window.addEventListener('load', async () => {
         resolutionListEl.appendChild(itemEl)
       }
     })
-  }
+  })
 
   player.getResolutions().then(
     resolutions => updateResolutions(resolutions))
diff --git a/client/src/typings.d.ts b/client/src/typings.d.ts
index ef5c7bd62..9615434ac 100644
--- a/client/src/typings.d.ts
+++ b/client/src/typings.d.ts
@@ -2,4 +2,5 @@
 declare var module: NodeModule;
 interface NodeModule {
   id: string;
+  [key: string]: any
 }
diff --git a/client/tsconfig.json b/client/tsconfig.json
index 431ea7d91..ef80445db 100644
--- a/client/tsconfig.json
+++ b/client/tsconfig.json
@@ -7,7 +7,8 @@
     "moduleResolution": "node",
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
-    "noImplicitAny": false,
+    "noImplicitAny": true,
+    "suppressImplicitAnyIndexErrors":true,
     "alwaysStrict": true,
     "target": "es5",
     "typeRoots": [
diff --git a/shared/models/i18n/i18n.ts b/shared/models/i18n/i18n.ts
index 5c3249452..9278c043b 100644
--- a/shared/models/i18n/i18n.ts
+++ b/shared/models/i18n/i18n.ts
@@ -1,6 +1,6 @@
 export const LOCALE_FILES = [ 'player', 'server' ]
 
-export const I18N_LOCALES = {
+export const I18N_LOCALES: any = {
   'en-US': 'English',
   'fr-FR': 'Français',
   'eu-ES': 'Euskara',
@@ -17,7 +17,7 @@ export const I18N_LOCALES = {
   'zh-Hans-CN': '简体中文（中国）'
 }
 
-const I18N_LOCALE_ALIAS = {
+const I18N_LOCALE_ALIAS: any = {
   'en': 'en-US',
   'fr': 'fr-FR',
   'eu': 'eu-ES',
diff --git a/shared/models/overviews/videos-overview.ts b/shared/models/overviews/videos-overview.ts
index ee009d94c..8c8785763 100644
--- a/shared/models/overviews/videos-overview.ts
+++ b/shared/models/overviews/videos-overview.ts
@@ -15,4 +15,5 @@ export interface VideosOverview {
     tag: string
     videos: Video[]
   }[]
+  [key: string]: any
 }
diff --git a/shared/models/server/custom-config.model.ts b/shared/models/server/custom-config.model.ts
index 3afd36fcd..c5156d9f3 100644
--- a/shared/models/server/custom-config.model.ts
+++ b/shared/models/server/custom-config.model.ts
@@ -55,6 +55,7 @@ export interface CustomConfig {
       '480p': boolean
       '720p': boolean
       '1080p': boolean
+      [key: string]: boolean
     }
   }
 
diff --git a/shared/models/users/user.model.ts b/shared/models/users/user.model.ts
index 8147dc48e..06a660206 100644
--- a/shared/models/users/user.model.ts
+++ b/shared/models/users/user.model.ts
@@ -20,4 +20,5 @@ export interface User {
   blockedReason?: string
 
   videoQuotaUsed?: number
+  [key: string]: any
 }