Credits & Data Sources
Last Updated: April 8, 2026
KanaDojo is built on trusted Japanese language data sources and open-source technologies. We're grateful to the maintainers and contributors who make these resources available.
Japanese Language Data Sources
JMdict
VisitJapanese-English dictionary database maintained by the Electronic Dictionary Research and Development Group. Powers our translation features.
KANJIDIC
VisitComprehensive kanji character database with readings, meanings, and metadata. Used in our kanji learning features.
Kuroshiro
VisitJapanese language utility library for converting between Japanese scripts and romaji. Enables our pronunciation support.
SQL.js
VisitSQLite compiled to JavaScript via Emscripten. Powers our Anki deck converter for client-side database processing.
JLPT Vocabulary Lists
VisitCurated vocabulary lists organized by JLPT levels (N5-N1) from community-maintained sources.
Wanakana
VisitJavaScript library for detecting and transliterating Hiragana, Katakana, and Romaji. Used in our text input processing.
Technologies & Frameworks
Acknowledgments
Special thanks to the Electronic Dictionary Research and Development Group (EDRDG) led by Jim Breen, whose decades of work creating and maintaining Japanese language databases has enabled countless learning tools and applications.
We also thank the broader open-source community for creating and maintaining the libraries and tools that power modern web applications. Without their contributions, projects like KanaDojo wouldn't be possible.
License & Attribution
KanaDojo respects the licenses of all data sources and libraries used. Where required by license terms, we provide proper attribution:
- JMdict and KANJIDIC data are used under the Creative Commons Attribution-ShareAlike 4.0 International License.
- All open-source libraries are used in accordance with their respective licenses (MIT, Apache 2.0, etc.).
- KanaDojo's original code and content are created by the development team and released under our own license terms.
If you have questions about our use of any data source or library, please contact us through our About page.