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Percentages are kanji seen, not words. Click a bar in the chart for details.
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Click a box in the calendar for details. Brighter colors mean more cards added.
Learn Japanese by exploring the relationships between kanji alongside examples that illustrate their use.
Quickly build mental connections among kanji by searching, exploring the diagram, and finding example sentences. Anywhere you see a kanji, assume you can click or tap it and something will happen.
Make flashcards with the "Add to study list" button. Cards for practicing both recognition and recall will be added, and you can study them via spaced repetition on the study tab. You can also export them to anki.
If you make an account, the cards are synced in near real-time across devices. If not, no worries, they'll live in your browser.
Color coding is available via word frequency or by JLPT level.
Note that you can also zoom, drag, and re-arrange the diagram however you please.
The color of a kanji or connection indicates its frequency or difficulty level.