Nano Immersive Translate

Free immersive translation: bilingual pages, dual YouTube subtitles, image text, summary. On-device Gemini Nano, offline, no keys.

Free immersive translation: bilingual web pages · live dual YouTube subtitles · image text translation · page summaries. Powered by Chrome's built-in AI (Gemini Nano) — 100% on-device, no API keys, no sign-up, no word limits, works offline. One right-click turns any page into a bilingual book: the original stays, and the translation appears right under each paragraph, so you compare side by side and learn as you read. Watch YouTube with live dual-language captions, and translate the text inside charts and screenshots with a right-click. 🌐 Immersive translation, everywhere • Web pages — original + translation, paragraph by paragraph. Translate just the main article, or switch to a clean Reader Mode. • YouTube subtitles — real-time bilingual captions, for videos and lectures alike. • Image translation (OCR) — pull the text out of diagrams and screenshots, translated line by line. • Page summaries — one click to summarize long articles: key points, a short paragraph, or a one-liner. ⚡ Powered by Chrome's built-in AI: free, fast, private • Runs on Gemini Nano, the local LLM inside Chrome — no API keys, no subscriptions, no per-word fees. Truly free and unlimited. • Fully offline — everything runs on your device. Nothing you read is ever uploaded. Zero privacy leaks. • Gets faster and better with every Chrome update. ✨ More than translation — your AI language assistant • "Explain" any word or phrase in context, with your own custom prompt — define it, simplify it, or answer in any language you choose. • CEFR vocabulary highlighting — see at a glance which words on a page are worth learning. • Built-in Gemini Nano chat — multiple sessions and prompt presets, including an ESL learning helper. • "Write" with AI — draft, rewrite, and polish right in the browser. Who is it for? 📖 Readers of foreign-language content · 🎓 Language learners · 🧑‍💻 Developers reading docs in other languages · 🎬 Anyone watching videos without native subtitles Translates between 8 languages — English, Simplified Chinese, Traditional Chinese, French, German, Japanese, Korean, and Spanish — with the interface localized in all of them. Requires Chrome 138+ on desktop (image translation needs 148+). Install now and start reading the whole web in your own language. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ REQUIREMENTS • Chrome 138 or newer, on desktop (Mac, Windows, or Linux). Mobile Chrome is not supported. • A few hundred MB of free disk for the on-device translation language packs. • ~2 GB of free disk for Gemini Nano (only required if you use the chat page). • Translator API works out of the box on most Chrome 138+ installs. Gemini Nano may require enabling two flags the first time — the chat page walks you through it step by step.