Contact Us
Have a question, found a bug, or want to suggest a feature? Send us a message right here and we'll respond within 48 hours.
Send Us a Message
Questions about JLPT Mastery, how the service works, or anything else.
If you are signed in, your account email is used automatically and both fields can stay empty.
Prefer email? Write to support@jlptmastery.com.
Frequently Asked Questions
Is JLPT Mastery free to use?
Yes. JLPT Mastery is free, with no paid tier planned. You get full access to adaptive practice, mastery tracking, and all five JLPT levels — no credit card required.
How do I delete my account and data?
You can delete your account from the account settings page in the dashboard. This permanently removes all your data including practice history, mastery states, and personal information within 30 days.
Can I export my study data?
Yes. Contact us at support@jlptmastery.com with a data export request and we will provide a copy of all your personal data.
Is JLPT Mastery affiliated with the official JLPT exam?
No. JLPT Mastery is an independent study tool and is not affiliated with, endorsed by, or officially connected to the Japan Foundation or Japan Educational Exchanges and Services (JEES).
Other Resources
Before reaching out, you might find what you need in these pages:
- Privacy Policy - How we handle your data
- Terms of Service - Usage rules and legal information
- JLPT Level Guides - Detailed guides for each JLPT level