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MojiMori

Organizes kanji by grade, decomposes characters into components, provides spaced repetition and memory heatmaps.

A kanji learning platform that organizes all 2,136 jōyō kanji by Japanese school grade, offering recursive decomposition of characters into components, interconnected learning, memory heatmaps, and spaced repetition. It targets serious Japanese language learners, including students and self-learners, who want to understand kanji structure beyond rote memorization. The platform is positioned as a structural reference and study tool, not a complete curriculum, and is delivered as a web application with a free tier.

Key features

  • Recursive kanji decomposition
  • Interconnected learning
  • Memory heatmaps
  • Spaced repetition (FSRS-5 and SM-2)
  • Grade-based lessons
  • Pitch accent and stroke order
  • Kanji Atlas graph
  • Dictionary of 10,290 words
  • 500 idioms
  • 214 Kangxi radicals
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