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Learn languages on YouTube — click any subtitle word for a translation + AI explanation, then save it as a flashcard. SubtitleLearner turns YouTube subtitles into a language-learning tool. Click or select any word in a video's subtitles to instantly see its translation, pronunciation, and a short AI explanation — then save it as a flashcard. The extension highlights words you're learning right in the subtitles, tracks how much of each video you understand, and brings cards back for quick spaced-repetition review so they actually stick. Your cards and history stay on your device, with an optional backup to your own Google Drive.
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.