Ninja Translate — Instant

😍 Free to use. No account. No API key.
🎉 Just install and go.

Ever had a single word throw off your entire reading flow?
Looked up a translation, only to still have no clue what it means?
Tab over, copy, paste, search — and just like that, you've lost the thread.

Ninja Translate keeps you in the flow.
Highlight any text and get an instant AI-powered translation and explanation — right there, without leaving the page.

Key features:
- Instant translation for any highlighted text — words, sentences, or whole paragraphs
- Ask the AI follow-up questions right in the sidebar
- Deep context, nuance, and grammar explanations with the Explain feature
- Hear any word or phrase read aloud with built-in TTS
- Review your lookup history whenever you need a refresher
- Supports English, Japanese, Korean, Chinese, Spanish, French, and more. Works with any language.

Getting started:
1. Install the extension and click the icon to open the sidebar.
2. Choose your native language.
3. Highlight any foreign text on a webpage — the translation appears instantly.