Credits & licenses
Japanese Compass is built on excellent open data. The sources below are credited as their licenses require, with thanks.
Audio
Pronunciation and listening audio generated with VOICEVOX. Voices used:
- 四国めたん (Shikoku Metan)
- 雀松朱司 (Janematsu Akeshi)
- 玄野武宏 (Kurono Takehiro)
Kanji
Kanji meanings, readings, grades, stroke counts, and frequency data from KANJIDIC2 © the Electronic Dictionary Research and Development Group, licensed CC BY-SA 4.0. JLPT level assignments follow Jonathan Waller's JLPT Resources (the JLPT publishes no official kanji list). Compiled via kanji-data (MIT).
Stroke-order data from KanjiVG (© Ulrich Apel), licensed CC BY-SA 3.0. Handwriting recognition by KanjiCanvas (MIT). Stroke animation and the guided writing quiz use hanzi-writer (MIT), rendered from the KanjiVG data above.
Dictionary
Dictionary data from the JMdict and JMnedict projects, property of the Electronic Dictionary Research and Development Group, used under CC BY-SA 4.0.
Example sentences
Example sentences from the Tatoeba Project, licensed CC BY 2.0 FR.
Reading texts
Public-domain literary excerpts from Aozora Bunko, with author and source noted on each passage.
Our own content
The learning content and the datasets we've compiled on top of the sources above are released under CC BY-SA 4.0 — reuse freely, keep it open, and credit the sources. The site's software and paid features are not open-source. More on how the content is made, and how you can help verify it, on the Trust & transparency page. The people who help check it are credited on the Teachers & contributors page.