KanjiTomo

KanjiTomo identifies Japanese text in images and is optimized for kanji recognition.

kanjitomo.net
KanjiTomo homepage screenshot

About KanjiTomo

KanjiTomo is a program for identifying Japanese characters in images. The user points the mouse at an image on screen, whether it comes from a file, another program, or a web page, and the program recognizes the kanji there. Dictionary lookup runs at the same time. The program supports both horizontal and vertical text.

It is a desktop program rather than a website-only tool. To run it, the user unzips the package and launches KanjiTomo.jar or launch.bat. Java is required, and Japanese fonts must be installed. The program has been tested on Windows 10. Other operating systems may work but are not supported.

Key features

  • Identifies Japanese characters from images in files, programs, or web pages
  • Runs dictionary lookup at the same time as character identification
  • Supports both horizontal and vertical text
  • Zoom mode and click-and-drag selection of word location
  • Saves identified words to a list and exports them to file or clipboard
  • Hotkey for selecting target character color when automatic detection fails
Best for: Japanese learners who want to look up kanji in on-screen images on a Windows computer with Java installed.
Good for
  • Dictionary lookup happens at the same time as character identification
  • Handles both horizontal and vertical text
  • Identified words can be saved to a list and exported
Watch out for
  • Java is required to run the program
  • Japanese fonts must be installed
  • Tested only on Windows 10; other operating systems are not supported

KanjiTomo at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web, Windows
Open source
Not stated
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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KanjiTomo FAQ

What must be installed before running KanjiTomo?
Java is required to run the program, and Japanese fonts must be installed.
Which operating system has KanjiTomo been tested on?
KanjiTomo has been tested on Windows 10. Other operating systems might also work but are not supported.
How can I keep my settings when upgrading from an earlier version?
Use Settings -> Import settings to load your old configuration.
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