Credits & Attributions

Rocket JLPT is built using high-quality JLPT data from the following sources.

Jonathan Waller's JLPT Resources

The foundation of our JLPT vocabulary, kanji, and grammar data comes from Jonathan Waller's comprehensive JLPT study resources. This data is widely recognized as one of the most accurate and complete JLPT reference materials available, and is used by Jisho.org and many other Japanese learning platforms.

Visit JLPT Resources

KanjiVG (Kanji Vector Graphics)

Our kanji stroke order diagrams and SVG files are provided by the KanjiVG project. KanjiVG is a comprehensive collection of SVG kanji stroke order diagrams released under a Creative Commons Attribution-ShareAlike 3.0 license.

Visit KanjiVG Project View CC BY-SA 3.0 License

Yomitan JLPT Vocabulary

Our vocabulary database is enhanced using data from the yomitan-jlpt-vocab repository by stephenmk. This project combines Jonathan Waller's JLPT vocabulary lists with JMDict data to provide accurate readings and definitions.

View on GitHub

Thank you to all the contributors who make these resources freely available to Japanese learners worldwide.