VinnerVi Subtitles

AI Bilingual Subtitles — Original + Your Language, Side by Side

Watch any foreign-language video with bilingual subtitles. Paste a URL or install the browser extension — VinnerVi shows the original language on top and your language below, on YouTube, Bilibili, TikTok, and 50+ more hand-verified sites, in 30+ languages. Free trial — no card needed. Toggle bilingual off any time.

Install Browser Extension → Paste a Video Link →
For viewers

Watch any video. Bilingual subtitles on the player.

  • Subtitles overlay on the player. Works on YouTube, Bilibili, TikTok, X, Vimeo, Dailymotion, Niconico, and 50+ more hand-verified sites.
  • Bilingual by default. Original language on top, your language below. Skip it or toggle off any time from the popup.
Install Browser Extension →
One-click install:

Loads in ~30 seconds · some sites need one click on the extension to start

New here? Read the step-by-step guide →

Now on Apple platforms

VinnerVi for Safari — available on Mac, coming soon to iPhone and iPad.

Translate videos and display bilingual subtitles directly in Safari with the same VinnerVi extension experience, adapted for Apple devices.

Safari for macOS Available now from the Mac App Store.
Available now
Safari for iPhone and iPad Submitted to Apple and currently under App Review. Public release is coming soon.
Under review
Get the Mac app → Watch the iPhone demo

Real iPhone recording — opening VinnerVi, translating the audio, and displaying subtitles in Safari.

For streaming subscribers

Translate subtitles on Crunchyroll, Viki & Prime Video.

  • Translate as you watch. We read the show's own subtitles and translate them live — original and your language, side by side on the player. About 1 credit per minute.
  • Nothing to download. Open an episode, click the extension, pick a language. Translated subtitles appear over the player in seconds.
Install Browser Extension → How Streaming Mode works →

Crunchyroll, Viki & Prime Video — Netflix, Disney+ and HBO Max rolling out · Bilingual by default

More streaming platforms are rolling out — we welcome your feedback. Tell us which to add next at [email protected].

For content creators & video editors

Subtitle files for your own workflow.

Paste a Video Link →

Drop into Premiere · Final Cut · DaVinci · VLC · mpv · YouTube Studio

New here? Read the step-by-step guide →

Download translated subtitles in SRT, VTT, ASS, or TXT format from any public video URL
See it in action

See it work in 30 seconds.

Two short walkthroughs — pick whichever workflow matches how you watch.