Context-aware Japanese furigana using Sudachi and ModernBERT
In plain words
This tool adds furigana (pronunciation guides) to Japanese text by analyzing context. Using Sudachi for morphological analysis and ModernBERT for language understanding, it provides accurate readings for kanji characters based on how words are used in sentences. The software is designed for Japanese language learners, teachers, and anyone needing to read or create accessible Japanese content with proper pronunciation guidance.
written from the facts on this page · September 2026
Does the same job
all alternatives →- LJLearn Japanese contextually while browsingDec 2025 · lingoku.ai · ▲92
Hi HN, Just wanted to share a tool i've been working on to help with my own study routine. It’s a browser extension called Lingoku. The idea is simple: we spend hours browsing the web in English every day. This tool replaces some of the english words with Japanese vocabulary based on your japanese level (Similar to Toucan, but with a better user experience). It’s basically an attempt to make the "i+1" method actually passive, you understand the sentence because it's mostly english, but you pick up Japanese words naturally from the context. It uses an LLM in the backend to make sure the…
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The idea is actually quite simple. As a Japanese learner and a coder, I've always wanted there to be an open-source, 100% free for learning Japanese, similar to Monkeytype in the typing community. Unfortunately, pretty much all language learning apps are closed-sourced and paid these days, and the ones that are free have unfortunately been abandoned. But of course, just creating yet another language learning app was not enough - there has to be a unique selling point. And then I thought to myself: why not make it crazy and do what no other language learning app ever did by adding a gazillion…
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