AI Subtitle Translator for YouTube™, Bilibili™, TikTok™ & 50+ Sites

Tracking since Apr 1, 2026.

Changelog

• Jun 7, 2026
  description

  Watch foreign videos without the language barrier. VinnerVi is an AI-powered subtitle translator that can transcribe audio and translate subtitles, then overlay them on the video player.
  
  AI SUBTITLE TRANSLATION
  
  Subtitle Translation — Translate existing video captions in seconds. If a video already has subtitles, VinnerVi translates them directly. Fast, accurate, and just 1 credit per minute.
  
  Audio Transcription + Translation — No subtitles on the video? VinnerVi uses AI speech recognition to transcribe the audio, then translates the transcript into your language. Best results with clear speech and minimal background noise.
  
  DOWNLOAD SUBTITLE FILES
  
  Export your translated subtitles as downloadable files. VinnerVi generates subtitle files in SRT, VTT, ASS, and TXT formats — use them in video editors, media players, or upload them to your own content. Download at vinnervi.com/subtitles.
  
  SUBTITLE OVERLAY
  
  Translated subtitles appear directly on the video as you watch. Subtitles are synced to playback and cached locally — they reload automatically every time you revisit the video.
  
  WHERE IT WORKS
  
  Tested on YouTube, Bilibili, X (Twitter), and TikTok. Also works on many other sites with standard video players, but not every site is supported. Feel free to try it and let us know how it goes.
  
  MORE FEATURES
  - Batch Translation: Translate entire playlists or video series at once
  - Time Range Selection: Translate just a portion of a video to save credits
  - Auto Subtitle Overlay: Translated subtitles appear directly on the video player
  - Offline Cache: Subtitles are saved locally and load automatically on revisit
  
  HOW TO TRANSLATE VIDEO SUBTITLES
  1. Sign in with Google or email
  2. Open a video page and click the VinnerVi icon
  3. Choose your target language and translation mode
  4. Click Translate — subtitles appear on the video when ready
  
  SUPPORTED LANGUAGES
  30+ languages supported, including Chinese, Korean, Japanese, English, Spanish, French, German, Russian, Arabic, Portuguese, and more. Translation quality is best for widely spoken language pairs.
  
  PRICING
  - Free trial: 50 credits included with every new account
  - Top-up: $5 for 900 credits (one-time, never expires)
  - Basic: $6/month for 1,800 credits
  
  Credits are charged upfront and automatically refunded if a job fails. You only pay for successful translations.
  
  Privacy: Audio is processed transiently and not stored after transcription. See our full privacy policy at vinnervi.com/privacy

  Watch foreign videos without the language barrier. VinnerVi is an AI-powered subtitle translator that can transcribe audio and translate subtitles, then overlay them on the video player.
  
  AI SUBTITLE TRANSLATION
  
  Subtitle Translation — Translate existing video captions in seconds. If a video already has subtitles, VinnerVi translates them directly. Fast, accurate, and just 1 credit per minute.
  
  Audio Transcription + Translation — No subtitles on the video? VinnerVi uses AI speech recognition to transcribe the audio, then translates the transcript into your language. Best results with clear speech and minimal background noise.
  
  Streaming Mode — translate subtitles on your streaming subscriptions
  
  From version 1.5.0 and above: VinnerVi now translates the subtitles your streaming service already shows
    — live on the player, as you watch. Supported today on Crunchyroll™ and Viki™, with
    more subscription streaming services on the way.
  
    • Bilingual subtitles right on the player — original on top, your language below
    • Near-instant — we read the show's own subtitle track, so there's no transcription wait
    • About 1 credit per minute — the same low rate as caption translation
    • Just open an episode, press play, and pick your language in the extension
  
  DOWNLOAD SUBTITLE FILES
  
  Export your translated subtitles as downloadable files. VinnerVi generates subtitle files in SRT, VTT, ASS, and TXT formats — use them in video editors, media players, or upload them to your own content. Download at vinnervi.com/subtitles.
  
  SUBTITLE OVERLAY
  
  Translated subtitles appear directly on the video as you watch. Subtitles are synced to playback and cached locally — they reload automatically every time you revisit the video.
  
  WHERE IT WORKS
  
  Tested on YouTube, Bilibili, X (Twitter), and TikTok. Also works on many other sites with standard video players, but not every site is supported. Feel free to try it and let us know how it goes.
  
  MORE FEATURES
  - Batch Translation: Translate entire playlists or video series at once
  - Time Range Selection: Translate just a portion of a video to save credits
  - Auto Subtitle Overlay: Translated subtitles appear directly on the video player
  - Offline Cache: Subtitles are saved locally and load automatically on revisit
  
  HOW TO TRANSLATE VIDEO SUBTITLES
  1. Sign in with Google or email
  2. Open a video page and click the VinnerVi icon
  3. Choose your target language and translation mode
  4. Click Translate — subtitles appear on the video when ready
  
  SUPPORTED LANGUAGES
  30+ languages supported, including Chinese, Korean, Japanese, English, Spanish, French, German, Russian, Arabic, Portuguese, and more. Translation quality is best for widely spoken language pairs.
  
  PRICING
  - Free trial: 50 credits included with every new account
  - Top-up: $5 for 900 credits (one-time, never expires)
  - Basic: $6/month for 1,800 credits
  
  Credits are charged upfront and automatically refunded if a job fails. You only pay for successful translations.
  
  Privacy: Audio is processed transiently and not stored after transcription. See our full privacy policy at vinnervi.com/privacy

• Jun 7, 2026
  short_description

  Translate YouTube™, Bilibili™, TikTok™ into 30+ languages. Bilingual subtitles overlay. 50 free credits. SRT/VTT/ASS download.

  Translate YouTube™, Bilibili™, TikTok™, Crunchyroll™ & Viki™ into 30+ languages. Bilingual subtitle overlay. 50 free credits.

• Jun 1, 2026
  host_permissions

  https://api.vinnervi.com/*, https://accounts.google.com/*, https://www.googleapis.com/*, https://api.bilibili.com/*, https://www.google-analytics.com/*

  https://api.vinnervi.com/*, https://vinnervi.com/*, https://accounts.google.com/*, https://www.googleapis.com/*, https://api.bilibili.com/*, https://www.google-analytics.com/*

• Jun 1, 2026
  permissions

  activeTab, scripting, storage, alarms, notifications, offscreen, identity

  activeTab, scripting, storage, alarms, notifications, identity, tabs

• Jun 1, 2026
  short_description

  Translate any YouTube™, Bilibili™, TikTok™ video into 30+ languages. 50 free credits. Live overlay or download SRT/VTT/ASS files.

  Translate YouTube™, Bilibili™, TikTok™ into 30+ languages. Bilingual subtitles overlay. 50 free credits. SRT/VTT/ASS download.

• May 25, 2026
  short_description

  AI subtitle translator for YouTube, Bilibili, TikTok & more. Transcribe audio or translate existing subtitles. SRT/VTT/ASS download.

  Translate any YouTube™, Bilibili™, TikTok™ video into 30+ languages. 50 free credits. Live overlay or download SRT/VTT/ASS files.

• May 25, 2026
  name

  AI Video Translator & Transcriber - VinnerVi

  AI Subtitle Translator for YouTube™, Bilibili™, TikTok™ & 50+ Sites

• May 8, 2026
  name

  VinnerVi Subtitles — Transcribe & Translate Video Subtitles with AI

  AI Video Translator & Transcriber - VinnerVi

• Apr 17, 2026
  description

  AI video subtitle translator — watch foreign videos without the language barrier.
  
  VinnerVi translates video subtitles into any language and overlays them right on the player — no downloads, no copy-pasting, no switching tabs. Powered by large language models for natural, accurate subtitle translation on any website with a standard video player.
  
  TWO POWERFUL MODES
  
  Subtitle Translation — If the video already has captions, we translate them in seconds. The fastest way to auto-translate video subtitles into your language.
  
  Full Audio Translation — No subtitles? No problem. We transcribe the audio and translate it. Works on any video with audible speech. Powered by state-of-the-art transcription and translation models for the best accuracy available.
  
  WORKS WHERE YOU WATCH
  
  Works on major streaming platforms, social media, video sharing sites, and any website with a standard video player. Open a video, click VinnerVi, pick your language, done.
  
  BUILT FOR SPEED
  
  Subtitle mode translates captions in seconds
  Audio mode handles most videos in a couple of minutes
  Translated subtitles are cached locally — revisit anytime for free
  
  BATCH TRANSLATE
  
  Got a playlist? A video series? Select all episodes and translate them in one click. Email notifications let you know when they're ready.
  
  CLIP MODE
  
  Only need part of a video? Set a time range and translate just that section.
  
  FREE TO TRY
  
  New accounts get free credits — no card required. Pay only for successfully completed translations. Failed jobs are automatically refunded.
  
  Privacy: https://vinnervi.com/privacy
  
  NOTE
  As with all AI-powered translation tools, occasional inaccuracies or unexpected phrasing may occur, though this is rare. We continuously update our models and pipeline to minimize these cases.

  Watch foreign videos without the language barrier. VinnerVi is an AI-powered subtitle translator that can transcribe audio and translate subtitles, then overlay them on the video player.
  
  AI SUBTITLE TRANSLATION
  
  Subtitle Translation — Translate existing video captions in seconds. If a video already has subtitles, VinnerVi translates them directly. Fast, accurate, and just 1 credit per minute.
  
  Audio Transcription + Translation — No subtitles on the video? VinnerVi uses AI speech recognition to transcribe the audio, then translates the transcript into your language. Best results with clear speech and minimal background noise.
  
  DOWNLOAD SUBTITLE FILES
  
  Export your translated subtitles as downloadable files. VinnerVi generates subtitle files in SRT, VTT, ASS, and TXT formats — use them in video editors, media players, or upload them to your own content. Download at vinnervi.com/subtitles.
  
  SUBTITLE OVERLAY
  
  Translated subtitles appear directly on the video as you watch. Subtitles are synced to playback and cached locally — they reload automatically every time you revisit the video.
  
  WHERE IT WORKS
  
  Tested on YouTube, Bilibili, X (Twitter), and TikTok. Also works on many other sites with standard video players, but not every site is supported. Feel free to try it and let us know how it goes.
  
  MORE FEATURES
  - Batch Translation: Translate entire playlists or video series at once
  - Time Range Selection: Translate just a portion of a video to save credits
  - Auto Subtitle Overlay: Translated subtitles appear directly on the video player
  - Offline Cache: Subtitles are saved locally and load automatically on revisit
  
  HOW TO TRANSLATE VIDEO SUBTITLES
  1. Sign in with Google or email
  2. Open a video page and click the VinnerVi icon
  3. Choose your target language and translation mode
  4. Click Translate — subtitles appear on the video when ready
  
  SUPPORTED LANGUAGES
  30+ languages supported, including Chinese, Korean, Japanese, English, Spanish, French, German, Russian, Arabic, Portuguese, and more. Translation quality is best for widely spoken language pairs.
  
  PRICING
  - Free trial: 50 credits included with every new account
  - Top-up: $5 for 900 credits (one-time, never expires)
  - Basic: $6/month for 1,800 credits
  
  Credits are charged upfront and automatically refunded if a job fails. You only pay for successful translations.
  
  Privacy: Audio is processed transiently and not stored after transcription. See our full privacy policy at vinnervi.com/privacy

• Apr 17, 2026
  short_description

  AI-powered subtitle translator. Transcribe audio or translate existing subtitles on any video into your language — in your browser.

  AI subtitle translator for YouTube, Bilibili, TikTok & more. Transcribe audio or translate existing subtitles. SRT/VTT/ASS download.

• Apr 17, 2026
  name

  VinnerVi Subtitles — AI Video Subtitle Translator for Any Language

  VinnerVi Subtitles — Transcribe & Translate Video Subtitles with AI

• Apr 17, 2026
  host_permissions

  https://api.vinnervi.com/*, https://accounts.google.com/*, https://www.googleapis.com/*, https://api.bilibili.com/*

  https://api.vinnervi.com/*, https://accounts.google.com/*, https://www.googleapis.com/*, https://api.bilibili.com/*, https://www.google-analytics.com/*

Permissions & access

Permissions

activeTabscriptingstoragealarmsnotificationsidentitytabs

Host access

https://api.vinnervi.com/*, https://vinnervi.com/*, https://accounts.google.com/*, https://www.googleapis.com/*, https://api.bilibili.com/*, https://www.google-analytics.com/*

Screenshots