Chimahon

github.com/sohilsayed/chimahon Language Learning Open-source projectOpen source

The Chimahon repository describes a Mihon fork with dictionary lookup, manga and anime support, an EPUB reader, and Anki card mining.

github.com/sohilsayed/chimahon
Chimahon homepage screenshot

About Chimahon

Chimahon is an open-source Android reader for language learners. It is a fork of Mihon, and its homepage describes it as extending the core of Mihon and Komikku. It adds dictionary lookup, OCR-assisted text capture, and Anki flashcard creation for vocabulary mining across manga, novels, and video.

The dictionary lookup supports Japanese, Chinese, Korean, and other languages, and it can use imported dictionary files. The app requires Android 8.0 or higher. Cloud Sync and cloud backups are optional and rely on external services. Pricing is not stated in the source.

Key features

  • Novel EPUB reader with inline dictionary lookup
  • On-device text recognition that requires no internet connection
  • .mokuro manga file support with pre-rendered OCR overlays
  • Anki card creation directly from dictionary lookup results
  • Video player with subtitle lookup and frame-based OCR
  • Screen OCR lookup that captures text from any app
Best for: Language learners who read Japanese, Chinese, or Korean manga, novels, or video on Android and want to create Anki cards while reading.
Good for
  • Open source, with the code published in a public repository
  • Local OCR runs on the device without requiring an internet connection
  • Duplicate checking helps prevent redundant Anki flashcards
Watch out for
  • Requires Android 8.0 or higher
  • Cloud backups and Cloud Sync depend on external services

Chimahon at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Chimahon FAQ

Does Chimahon require an internet connection for OCR?
The source describes Local OCR as on-device text recognition that requires no internet connection.
What Android version is needed?
The app requires Android 8.0 or higher.
Can it create Anki flashcards while reading?
Yes. Anki cards can be created instantly from lookup results while reading, and duplicate checking is included.
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