Pinyin Reader

Smart Pinyin for web pages & PDFs. Hover dictionary (114K entries), text-to-speech with karaoke highlighting, instant translation.

Pinyin Reader - Smart Pinyin Annotations for Chinese Web Pages Stop breaking your reading flow to check pronunciation and meaning. Pinyin Reader combines pinyin annotation, hover dictionary, karaoke TTS, sentence-by-sentence navigation, reading analysis, and FSRS spaced-repetition review in one workflow — with 8 exercise types for lasting vocabulary retention. Built for HSK exam prep, university Chinese courses, academic papers, technical docs, news, and original books. ✨ Key Features: • Auto-detect Chinese characters and show Pinyin pronunciation • Enhanced pinyin-pro with modern dictionary and 600+ polyphonic word corrections • Whole-page Pinyin mode - show all pronunciations at once • Hover tooltip with pronunciation and speak button • Hover dictionary supports multiple meanings and 8 definition languages (English, Japanese, Korean, Vietnamese, French, German, Simplified Chinese, Traditional Chinese) • Three hover modes: Dictionary, Pinyin tooltip, Pronunciation only • 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 Pinyin styles - with or without tone marks • Support for CJK Extension A and compatibility characters • Built-in PDF Reader with per-character Pinyin overlay • Auto-intercept web PDFs — open any online PDF with Pinyin 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+P - Toggle Pinyin annotations on/off • Alt+Shift+S - Speak selected text • Alt+Shift+T - Translate selected text • Alt+Shift+E - Open Sentence mode 📖 Reading Area: • Sentence mode — select a sentence to view word-by-word Pinyin and HSK level; preview definitions, read aloud, translate, and save • Sentence navigation — step through sentences one by one with prev/next buttons • Reading analysis — one-click page scan: character count, word count, HSK distribution, difficult words, high-frequency words, phrases, named entities • Focus mode — highlight the current word/sentence/paragraph and dim the rest for concentrated reading 📄 PDF Reader: • Built-in PDF viewer with smart Pinyin annotation for every Chinese character • Auto-intercept online PDFs — adds Pinyin to any PDF you open in the browser • Click any character for instant dictionary lookup (CEDICT with 114K entries) • Web pages and the PDF Reader share the same definition language setting • Show or hide Pinyin annotations with the toolbar toggle • Search by Chinese text or Pinyin (type "tianqi" to find "天气") • Sidebar with table of contents, thumbnails, and page navigation • 3 themes: dark, light, sepia • Drag & drop local PDF files or paste URLs 📝 Learning & Review: • Vocabulary book — save words, phrases, and sentences with Pinyin, definitions, and HSK level • Lookup history — automatically records every word you look up by hovering • FSRS spaced repetition — scientifically optimized review schedule for efficient memorization • 8 exercise types — meaning recognition, listening choice, context recognition, meaning recall, spelling, cloze, context recall, self-assessment • Daily goals and streaks — build a consistent study habit • CSV/JSON export & import — sync learning data across devices 📚 Perfect for: • Chinese learners reading Chinese web pages • Learning pronunciation of unfamiliar characters • Sentence reading practice and HSK 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.