yohaku

2 listings we've seen · as of 7 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.

Education

Add furigana (hiragana, katakana, or romaji readings) above kanji on any page. One click per site. 100% offline.

Tools

Find Japanese characters that break older systems, fix them, convert era dates, normalize width. Runs locally; nothing uploaded.