Learn languages from the media you love

mVocaby turns YouTube into a language classroom. Get enhanced interactive subtitles, translate any word or phrase on the fly, and build your vocabulary automatically — then lock it in with spaced repetition.

Enhanced subtitles

Clean, readable subtitles on top of YouTube. Hover or tap any word to see what it means without leaving the video.

Translate on the fly

Instant DeepL-powered translations for words and phrases, tailored to your native language as you watch.

Vocabulary that sticks

Saved words sync to your account and come back as spaced-repetition flashcards, so you actually remember them.