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 ✨ Key Features: • Auto-detect Chinese characters and show Bopomofo pronunciation • Enhanced bopomofo-pro with modern dictionary and 600+ polyphonic word corrections • 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: • Single character - click the speaker button to hear pronunciation • Selection speech - select text, click floating toolbar or use Alt+Shift+S • Karaoke effect - words highlight one by one as they are spoken • 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.