Bopomofo Reader

Add Bopomofo (Zhuyin) to Chinese characters on any web page. Hover for pronunciation, click to speak, select text to read aloud.

Bopomofo Reader - Smart Bopomofo Annotations for Chinese Web Pages Stop breaking your reading flow to check pronunciation and meaning. Bopomofo Reader combines reading, listening, translation, and practice in one workflow. Built for academic papers, technical docs, news, and original books. ✨ Key Features: • Auto-detect Chinese characters and show Bopomofo pronunciation • Enhanced bopomofo-pro with modern dictionary and 600+ polyphonic word corrections • Dictionary definitions in 8 languages: English, Traditional/Simplified Chinese, Japanese, Korean, Vietnamese, French, German • Whole-page Bopomofo mode - show all pronunciations at once • Hover tooltip with pronunciation and speak button • Select text to read aloud with karaoke-style word highlighting • Instant translation of selected text (Bing & Google Translate) • Right-click menu and keyboard shortcuts for quick access • Multiple Bopomofo styles - with or without tone marks • Support for CJK Extension A and compatibility characters • Built-in PDF Reader with dictionary lookup • Auto-intercept web PDFs — open any online PDF with Bopomofo annotations 🔊 Text-to-Speech: • Chinese (Traditional, Taiwan) voice with voice selection and synchronized character-by-character highlighting • Single character — click the speaker button to hear pronunciation • Select text to speak with karaoke highlighting (floating toolbar or Alt+Shift+S) • Adjustable speech rate for sentence reading practice 🌐 Translation: • Select any text and click translate button or press Alt+Shift+T • Supports Bing Translate and Google Translate engines • 108 target languages available • Inline translation bubble with copy button ⌨️ Keyboard Shortcuts: • Alt+Shift+B - Toggle Bopomofo annotations on/off • Alt+Shift+S - Speak selected text • Alt+Shift+T - Translate selected text 📄 PDF Reader: • Built-in PDF viewer with dictionary support for Chinese characters • Auto-intercept online PDFs — adds Bopomofo to any PDF you open in the browser • Click any character for instant dictionary lookup (CEDICT with 110K entries) • Text search in PDF • Sidebar with table of contents, thumbnails, and page navigation • 3 themes: dark, light, sepia • Drag & drop local PDF files or paste URLs 📚 Perfect for: • Chinese learners reading Chinese web pages • Learning pronunciation of unfamiliar characters • Sentence reading practice and TOCFL preparation • Quick translation without leaving the page • Improving Chinese listening and speaking skills 🔒 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.