glossa by Norvalys

Glossa helps you learn languages while watching Netflix and Prime Video with bilingual subtitles and instant inline word glosses. Click subtitle words to understand them in context, save vocabulary as known words, and keep your immersion flow without pausing every few seconds.

Features:

Bilingual subtitle overlay for watch pages
Inline glossing for faster in-context comprehension
Known-word tracking so you know what to focus on
Anki export when youre ready to test yourself
Optional sign-in for account-based features and synced access
Glossa is built for learners who want to watch real content, not textbook examples, and gradually build comprehension through repetition.

We do not sell any of your data and keep it at a minimum.

Current gloss workflows focus on Japanese, Korean.

Netflix and Prime Video are trademarks of their respective owners. Glossa is independent and not affiliated with or endorsed by them.