glossa

Bilingual subtitles and inline glossing for Netflix and Prime Video.

Turn your next episode into language practice with glossa. Watch Netflix and Prime Video with two subtitle languages, adjust the overlay to suit your screen, and revisit dialogue at your own pace. FREE CORE FEATURES • Bilingual subtitles: display your learning language alongside a language you know. • 10 language choices: English, French, Japanese, Spanish, German, Korean, Italian, Chinese, Portuguese and Hindi. • Compatibility badges while browsing: see whether a title has both selected subtitle tracks. Unknown titles may need playback before availability can be checked. • Subtitle navigation: jump to the previous or next line with the toolbar or J / L shortcuts. • Translation practice: show, blur or hide the translation; hover to peek at a blurred line. • Adjustable overlay: drag to reposition, resize, adjust text size and background opacity, reset position, and choose the translation text color. SUPPORTER BETA • Japanese and Korean interlinear glosses with English word meanings. • Japanese furigana and romaji; Korean romanization. • Hover words for dictionary analysis and word components when available. • Show, blur or hide reading aids and gloss lines to practice recall. • Click words to mark or unmark them as known; toggle known-word highlights. • Vocabulary sync for Supporter accounts. • Export saved vocabulary with English definitions for import into Anki. Export currently supports Japanese and Korean and includes words with available dictionary entries. • No subscriptions. GET STARTED Sign in, choose your Learning and Known languages, and open Netflix or Prime Video. Subtitle availability varies by title, region and platform. Streaming subscriptions are separate. Beta features may change. glossa is an independent extension and is not affiliated with Netflix, Amazon or Anki.