Langly – Interactive Subtitles for YouTube & Bilibili

Click any word in the subtitles for an instant pop-up dictionary. Learn English, Chinese (Mandarin) and Japanese from videos.

Langly turns YouTube and Bilibili videos into language lessons. Watch any video with subtitles and every word becomes clickable. Click a word to open an instant dictionary panel with definitions, pronunciation and example sentences — without leaving the video. FEATURES • Clickable subtitles overlaid on YouTube and Bilibili videos • Pick your subtitle language right in the Langly panel — no digging through player settings • Instant dictionary panel: definitions, audio pronunciation, examples • Save words to your Langly account and review them later • Save videos to your Langly library and track your study time • Works with English, Chinese (Mandarin) and Japanese HOW TO USE 1. Open a YouTube or Bilibili video 2. Click the Langly "L" button in the video player controls 3. Pick your subtitle language and press "Show subtitles" 4. Click any word to look it up Langly is built for comprehensible input learners: watch real content, understand more, and grow your vocabulary naturally. A free Langly account (www.langly.net) unlocks word saving and study tracking.