Furigana Reader

Add furigana reading annotations to kanji on any web page

Furigana Reader - Smart Furigana for Japanese Web Pages Stop breaking your reading flow to check pronunciation and meaning. Furigana Reader combines reading, listening, translation, and practice in one workflow. Built for academic papers, technical docs, news, and original books. ✨ Key Features: • WASM morphological analysis (Lindera + IPAdic) for accurate segmentation and readings • Three reading styles: hiragana, katakana, and romaji • Okurigana splitting (送り仮名分割) • Jukujikun (熟字訓) support for multi-kanji compounds • Whole-page furigana mode — show readings for all kanji at once • Hover tooltip with pronunciation and speak button • Text-to-speech with karaoke-style word highlighting • Built-in PDF Reader with furigana annotations • User interface available in 53 languages 📖 Hover Dictionary: • JMdict-powered dictionary with multilingual definitions • JLPT level badges (N5–N1) for each word • Three hover modes: Dictionary, Reading, Off • Click the speaker button to hear pronunciation 🔊 Text-to-Speech: • Japanese voice with voice selection and synchronized word-by-word highlighting • Karaoke-style word-by-word highlighting while reading selections aloud • Adjustable speech rate for sentence reading practice • Select any text to speak or translate 🌐 Translation: • Select any text and click translate or press Alt+Shift+T • Bing Translate and Google Translate engines • 108 target languages available ⌨️ Keyboard Shortcuts: • Alt+Shift+F — Toggle furigana annotations on/off • Alt+Shift+S — Speak selected text • Alt+Shift+T — Translate selected text 📄 PDF Reader: • Built-in PDF viewer with furigana annotations for Japanese text • Show or hide furigana annotations with the toolbar toggle • Auto-intercept online PDFs in the browser • Click words for dictionary lookup (JMdict) • Sidebar: outline / thumbnails and page navigation • Search inside PDFs • Three themes: dark, light, sepia • Drag & drop local PDFs or paste URLs 📚 Perfect for: • Japanese learners reading web pages and PDFs • Checking readings of unfamiliar kanji • JLPT preparation and reading practice • Sentence reading practice with TTS • Quick translation without leaving the page 🔒 Privacy: No data collection. Translation text is sent to third-party APIs (Bing/Google) only when you use the translate feature. All other processing is local.