SubLingo translates subtitles in real-time, lets you hover any word for instant definitions, and builds your vocabulary — all without leaving your video.
A complete language learning toolkit that works right inside your favorite streaming platforms.
Watch with original and translated subtitles at the same time. Perfectly synced on every video.
Hover any word for an instant translation, pronunciation, and definition. No interruption needed.
Every saved word gets its own card with an image, pronunciation, translation, and the exact sentence from the video.
Save any word with one click. It goes straight into your word list with the context sentence and source video.
Practice saved words with smart exercises — quizzes, fill-in-the-blank, and listening — timed to help you actually remember them.
To find or learn something new for the first time.
"We discover new worlds through the stories we love."
What word means...
today
(adverb)12 letters
Enter to submit · Tab for hint
Add SubLingo to Chrome, open any video on YouTube or Netflix, and subtitles are automatically detected and translated.
Hover any word to see its translation and pronunciation. Click the + button to save it to your word list.
Open the side panel to practice your saved words with smart flashcards. The more you practice, the more you remember.
Start with the free tier. Upgrade when you're ready.
Install SubLingo and turn every video into a language lesson. Free forever on Chrome Web Store.
Free on Chrome Web Store · No account needed · Works offline