Skip to content

YouTube Platform Guide ​

CoWatcher brings AI bilingual subtitles and vocabulary study to YouTube.


Core Features ​

  • Creator Subtitles & Automatic Speech Recognition (ASR):
    • Intelligently intercepts creator-provided subtitle tracks.
    • Automatically merges fragmented YouTube auto-generated captions (ASR) into coherent syntactic sentences before dispatching them to LLMs for translation.
  • SPA Route & Playlist Navigation: Listens to in-page video switches, recommendations, and playlist progressions, reloading metadata and subtitles automatically.
  • Ad Compatibility: Mutes and pauses subtitle processing during YouTube video ads.

Tips ​

  • Ensure closed captions (CC) are enabled in YouTube's native player.
  • Toggle bilingual subtitles anytime using Alt + T.

Released under the MIT License.