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MirumojiMigaku
Free

Free and open source under the MIT licence.

 Freemium

Can be started without a credit card; paid plans unlock full use.

Web, Self-hosted Browser extension
  • Clickable word lookups in subtitles
  • Whisper-based subtitle generation
  • Learn from content you already watch and read
  • Works across popular streaming and social sites
  • Only for learning Japanese
  • Requires Docker setup
  • Built as a Chrome extension
  • Proprietary with paid plans
Self-hosted Browser extension
Open source Closed source
License: MIT License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.