KanjiBreakdown

Master Japanese, One Piece at a Time.

The ultimate tool for Windows to deconstruct and learn Japanese from any text, image, or audio on your screen.

Download for Windows

Latest portable .zip release

Illustration of guided sentence mining

Example use; Wikipedia.

Optimized Guided Sentence Mining

Discover our unique features:

Learn from Anything

Easily capture and analyze Japanese text from any source on your Windows machine via text selection, screen capture (OCR), or audio transcription. Test yourself on familiar material with the Review Mode.

Comprehensive Breakdown

Deconstructs sentences into words, words into kanji readings, and kanji into radicals, linking related concepts for easy navigation and faster learning.

Guided Learning

The app automatically highlights and identifies words or kanji recommended for your level, and adds prerequisite unknown concepts to your study queue in the most effective order with just one click.

Personlized Memory Aids

Create and share your own keyphrases for vocabulary, kanji, and readings to make your studying personal and effective. Share with the community and learn together!

AI-Powered Explanations

Get detailed explanations of tricky grammar points and context-specific word usage from our integrated AI assistant.

Cross-Platform Sync

Connect to your kanjibreakdown account to sync your progress and memory aids, and get user level specific highlighting and learning recomendations.

Getting Started

Follow these simple steps to begin.

Installation

  1. Download the latest portable .zip release.
  2. Unzip KanjiBreakdownWin-win-Portable.zip to any directory.
  3. Launch KanjiBreakdownWin.exe to start.

How to Use

  • Select and copy (ctrl-c) Japanese text to capture it and break it down.
  • Click on any word, reading, or glyph to explore connections.
  • Add your Kanji Breakdown API key in settings for account features. (highlighted knowledge level, adding to learning queue, etc.)
  • Click the Add button to add any word, glyph or reading to your learning queue, automatically adding any missing pieces.
  • Visit kanjibreakdown.com to study and review!
  • Optional: To launch with Windows startup, place a shortcut in %APPDATA%\\Microsoft\\Windows\\Start Menu\\Programs\\Startup

Coming Soon

We're expanding KanjiBreakdown across more platforms so stay tuned.

MacOS Desktop App

A native macOS build with the same capture, OCR and study flow as Windows.

Coming soon

Mobile App (iOS & Android)

Capture text from your on device, screenshots, photos or your microphone and add them to your study queue on the go.

Coming soon

Web Extension

Break down Japanese text from any browser: Analyse and Highlight Web page contents or Japanese subtitiled videos from Youtube, Netflix, etc.

Coming soon