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Kanjiru: Learn Kanji for JLPT
Learn all 2,136 Japanese kanji by writing them
Learn Japanese kanji by actually writing them – not just looking at them. Study each character, then draw it from memory. All 2,136 Jōyō Kanji, sorted by JLPT level (N5–N1). Track your progress, save personal mnemonics, keep a daily streak, and search any kanji by character, meaning, or reading. 100% offline. No tracking. No ads. No subscription. Your data stays encrypted on your device. Built as a passion project for a friend learning Japanese – now free for everyone.
Hey Product Hunt,
I built Kanjiru because a close friend of mine is learning Japanese and half-jokingly asked me to build her "exactly this kind of tool." So I did.
The problem she kept running into: most resources teach you to recognize kanji, but writing them from memory is what actually makes them stick. She wanted a way to practice that systematically – study a character, then draw it from memory, and track what sticks and what doesn't.
What started as a simple drawing exercise grew into a full learning companion – categories, streaks, statistics, JLPT tracking, personal mnemonics. Most of that came from her feedback as the app's first and most honest user.
A few things that matter to me:
- 100% offline – your data never leaves your device
- No ads, no subscription, no tracking
- Progress is encrypted locally – you own your data
- Free, and that's not going to change
Kanjiru is a passion project – built for someone I care about. She's been loving it, so I figured others might too.
If you're learning Japanese or have thoughts on what a kanji app should do, I'd genuinely love to hear from you.
About Kanjiru: Learn Kanji for JLPT on Product Hunt
“Learn all 2,136 Japanese kanji by writing them”
Kanjiru: Learn Kanji for JLPT was submitted on Product Hunt and earned 1 upvotes and 1 comments, placing #68 on the daily leaderboard. Learn Japanese kanji by actually writing them – not just looking at them. Study each character, then draw it from memory. All 2,136 Jōyō Kanji, sorted by JLPT level (N5–N1). Track your progress, save personal mnemonics, keep a daily streak, and search any kanji by character, meaning, or reading. 100% offline. No tracking. No ads. No subscription. Your data stays encrypted on your device. Built as a passion project for a friend learning Japanese – now free for everyone.
On the analytics side, Kanjiru: Learn Kanji for JLPT competes within Android, Education, Languages and Online Learning — topics that collectively have 153.3k followers on Product Hunt. The dashboard above tracks how Kanjiru: Learn Kanji for JLPT performed against the three products that launched closest to it on the same day.
Who hunted Kanjiru: Learn Kanji for JLPT?
Kanjiru: Learn Kanji for JLPT was hunted by Marius Schmidt. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Kanjiru: Learn Kanji for JLPT including community comment highlights and product details, visit the product overview.
Marius Schmidt