划词翻译・PDF・词典・AI背单词

划选任意文字即可即时翻译 — 支持网页和 PDF。内置 AI 词典、发音和间隔重复生词复习。

Instant translations anywhere you read on the web. Highlight text to translate, hear pronunciation, see definitions and synonyms, and save words to review with spaced repetition—now with PDF support. AI TRANSLATOR ・Instant on-select: Translate text the moment you highlight it, double-click, or press a shortcut. ・Works on PDFs: Translate selected text inside PDFs in Chrome’s viewer. ・Learn as you browse: Save words to Favorites and get smart spaced repetition to retain vocabulary effortlessly. ・50+ Languages With Auto-Detect: Accurate translations powered by Google Translate plus AI enhancements. ・Rich results: Definitions, synonyms, transliteration, and pronunciation/TTS. ・Fully customizable: Choose trigger (auto on selection, bubble icon, popup, keyboard), set target language, and edit shortcuts. ・Fast and lightweight: Sub-second translations in most cases. ・Private by design: Your data stays in your browser. No sign-in. No servers. No tracking. HOW IT WORKS ・Highlight or double-click text to translate immediately. ・Click the floating translate icon or press your shortcut to open the popup. ・Tap the speaker to hear pronunciation. Save any word or phrase to Favorites. ・Review saved items with spaced repetition while you browse. FEATURES ・Selected-text translation on any website and PDFs. ・Auto-detect source language; 50+ target languages. ・Pronunciation/TTS, definitions, synonyms. ・Favorites/phrasebook and browsing-friendly spaced repetition. ・Translation history and copy to clipboard. ・Keyboard shortcut and trigger customization. ・Dark mode friendly UI. PRIVACY AND PERMISSIONS ・Data storage: Only on your device (Chrome storage). No backend, no cloud sync. ・Data collection: None. We do not collect, share, or sell data. ・Permissions: “Read and change site data” to translate selected text and show the UI; “Storage” to save preferences, history, and favorites. ・Disclaimer: Uses Google Translate and AI for results. Not affiliated with or endorsed by Google. PERFECT FOR ・Students, researchers, and professionals reading multilingual content. ・Language learners who want definitions and vocabulary retention built in. ・Anyone who needs a fast, reliable translate extension that respects privacy. GET STARTED ・Add Quick Translate to Chrome. ・Choose your target language and trigger. ・Highlight text to translate instantly.