About

This site collects study materials focused on high-level tests of Japanese knowledge for native Japanese and other difficult to research vocabulary.

Items in the database include English translations and breakdowns to aid in memorization. We are working hard to add more and more data every day!

If you happen to find any incorrect translations or entries, or just want to suggest a better intepretation, feel free to contact us anytime!

Also, we would love to hear any suggestions for functionality and features that could improve the experience.

Happy studying!

Sources
  • 大辞林
  • 漢字源
  • 漢語林
  • 漢検漢字辞典
  • 漢検分野別精選演習1級
  • 漢検四字熟語辞典
  • 用例でわかる四字熟語辞典
  • 故事俗信ことわざ大辞典
  • ことわざ検定公式ガイドブック
  • ことわざの研究
  • 用例でわかる故事ことわざ辞典|語源海
  • 国字の字典
  • 漢字を語る会『楷の木』
  • 論語(加地伸行著)
  • beポンキッキーズの論語
  • Wikipedia
Team
Bret Mayer
Kanji Nerd
Bret Mayer
Nicknames
ぶ先生、漢字ヲタク、漢字界の黒船
Hobbies
kanji study, reading, drawing
Achievements
  • Certified Kanji Instructor (漢字教育士)
  • Shirakawa Shizuka Award for Excellence in Kanji Education
  • Japan Kanji Aptitude Test Level 1
  • Passed all levels of Kanji Aptitude Test
  • Japan Proverb Test Level 2
  • Japan Language Proficiency Test N1
Pascal Pixel
Computer Nerd
Pascal Pixel
Nicknames
Pixel, Enkera, パスカル
Hobbies
programming, design, typography, writing systems
Achievements
  • Kanji Nerd was his first app as an engineer instead of designer
  • Created Horse Browser in 2023
  • Product Hunt's Maker of the Year in 2025
  • Once found his hotel without asking for directions in Osaka