Powerful features, natural watching
Sublango gives you live captions, live translated subtitles, and AI voice-over for movies, shows, lectures, and online courses—designed to stay readable, fast, and easy to use.
Live captions, subtitles & voice-over
Get live captions, live translated subtitles, and AI voice-over directly inside your browser tab.
Auto language detection
Sublango detects the spoken language automatically to keep captions, translated subtitles, and voice-over aligned.
Works across the web
Works on YouTube, Netflix, Prime Video, Disney+, HBO Max, Rakuten Viki, Udemy, Coursera, and even more websites with video.
Customizable overlay
Resize, reposition, and style the overlay so captions and subtitles fit your screen and watching style.
Built for real-time watching
Live captions appear extremely fast, while translated subtitles are optimized to arrive smoothly and stay easy to follow.
Privacy-first
We process only what is needed for captions, subtitles, and voice-over. You stay in control of your data.
Ready to watch with live captions and AI voice-over?
Press play, choose a language, and start watching. No complicated setup.