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JTK
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Japanese Toolkit

A growing collection of free, no-sign-up tools for working with Japan — organized by area so you can find exactly what you need.

Explore by area

Every tool lives in a domain. Pick an area to browse its categories and tools.

13 tools

Language

Free online Japanese language tools: converters for kana, romaji, and kanji, on-screen keyboards, a kana chart, number and era converters, and a character counter.

  • Converters
  • Text tools
  • Calendar
  • Keyboards
  • Charts
Explore language

Popular tools

The most-reached-for tools, hand-picked from across the platform.

Kanji to Furigana
Add furigana readings above kanji so any Japanese text becomes easy to read.
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Romaji to Hiragana
Type in romaji and instantly get the equivalent hiragana text.
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Character Count
Count kanji, hiragana, katakana, and total characters in Japanese text.
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Japanese Keyboard
Type Japanese online: enter romaji or tap the kana keys to write hiragana and katakana.
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Kana Chart
A complete, searchable hiragana and katakana chart with romaji readings.
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Coming soon

Coming soon
Japanese OCR
Extract Japanese text from images, screenshots, and photos using OCR.
Coming soon
Kanji Stroke Order
See the correct stroke order for any kanji with animated diagrams.
Coming soon
Japanese Name Meaning
Discover the meaning, readings, and kanji behind Japanese names.

Why use these tools?

Built for learners, translators, and anyone working with Japanese text.

Completely free

Every tool is free to use with no sign-up, no limits, and no hidden fees.

Fast and accurate

Powered by proven Japanese NLP engines for reliable, dictionary-backed results.

Privacy first

Your text is processed on the fly and never stored or shared with anyone.

Works everywhere

Fully responsive design that works great on desktop, tablet, and mobile.

Frequently asked questions