Bopomofo Reader

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.