Language Teacher — Kanji Heatmap

Highlight kanji on any webpage using your Language Teacher quiz performance.

Language Teacher — Kanji Heatmap brings your Japanese studies directly into the real world. As you browse the web, the extension analyzes Japanese text and highlights kanji based on your personal LanguageTeacher.io quiz performance. Characters you struggle with stand out more clearly, while familiar kanji fade into the background naturally. Turn any Japanese webpage into personalized study material: • Highlight weak kanji in articles, blogs, news sites, and forums • Reinforce long-term memory through passive immersion • Learn from authentic native content instead of isolated flashcards • Sync with your LanguageTeacher.io learning progress • Lightweight, distraction-free design built for serious learners The extension is designed for advanced Japanese learners who want to bridge the gap between structured study and real-world reading. Works seamlessly alongside the LanguageTeacher.io platform to create a more adaptive and immersive reading experience across the web.