Bopomofo Reader

Tracking since Apr 6, 2026.

Changelog

• Apr 18, 2026
  description

  Bopomofo Reader - Smart Bopomofo (Zhuyin) Annotations for Chinese Web Pages
  
  ✨ Key Features:
  • Auto-detect Chinese characters and show Bopomofo (Zhuyin/ㄅㄆㄇㄈ) pronunciation
  • WASM-powered annotation engine optimized for Traditional Chinese
  • 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
  
  🔊 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
  
  📚 Perfect for:
  • Learners studying Traditional Chinese and Taiwanese Mandarin
  • Learning Bopomofo 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.

  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.

• Apr 18, 2026
  permissions

  storage, tts, scripting, contextMenus

  storage, tts, scripting, contextMenus, notifications, declarativeNetRequest, declarativeNetRequestWithHostAccess

Permissions & access

Permissions

storagettsscriptingcontextMenusnotificationsdeclarativeNetRequestdeclarativeNetRequestWithHostAccess

Host access

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Screenshots

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