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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.
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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.
Kanjiru: Learn Kanji for JLPT was featured in Android (57.1k followers), Education (78.4k followers), Languages (14.3k followers) and Online Learning (3.4k followers) on Product Hunt. Together, these topics include over 73.7k products, making this a competitive space to launch in.
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.
Want to see how Kanjiru: Learn Kanji for JLPT stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Marius Schmidt