Products
Learning tools built by a developer to solve real-world immersion pain points.
YomiPlay
AI Speech Recognition for immersive Japanese learning — iOS & Android
YomiPlay transforms your favorite audio and video into powerful Japanese learning materials. Using on-device AI recognition for precision subtitling, it enables immersive shadowing to master the language naturally — available on iOS and Android, with subtitle editing and community resource sharing.
- Automated Furigana (reading) system
- Gairaigo / English etymological annotations
- On-device AI-powered auto-subtitling
- Immersive shadowing & sentence-by-sentence playback
- Text-to-Speech (TTS) for any subtitle line
- Subtitle editing & resource sharing
YomiNote
Modern Markdown desktop editor with built-in Japanese reading aids
YomiNote is a desktop Markdown editor purpose-built for Japanese reading and writing. It automatically adds furigana to kanji and surfaces English glosses for katakana loanwords, with a clean side-by-side live preview that keeps focus on the text. Powered by kuroshiro/kuromoji morphological analysis and a JMdict-backed dictionary, it runs fully offline.
- Automatic furigana on kanji (kuroshiro + kuromoji)
- English glosses for katakana loanwords via JMdict
- Live side-by-side Markdown preview
- Custom {base|reading} ruby syntax
- Native desktop app for Windows, macOS, and Linux
- Fully offline — no cloud or account required
YomiMark
Japanese reading enhancement for your browser
YomiMark is a browser extension that makes reading Japanese on the web seamless. It adds furigana to kanji, supports Gairaigo to English etymological mapping, and empowers you to read faster and learn more effectively.
- Gairaigo / English etymological mapping
- Automated Furigana (reading) system
- Select-and-lookup annotations
- Chrome browser extension