Free AI Translator for Web, PDFs and Video Subtitles
SelectTranslate supports bilingual webpage translation, PDF document translation, YouTube/Netflix subtitle translation, Zoom/Teams/Meet online meeting translation, ePub eBook translation, and more. It also offers practical features such as optimal translation, input translation, text selection translation, and hover translation. Powered by 20+ top‑tier AI models including ChatGPT, Gemini, Qwen and DeepSeek — and supporting translation across 100+ languages, SelectTranslate helps you break language barriers and reshape your global perspective.
English | 简体中文 | 繁體中文 | Deutsch | Español | Français | Italiano | Português | Português (Brasil) | Русский | 日本語 | 한국어 | हिन्दी | Bahasa Indonesia | Bahasa Melayu | Język polski | ไทย | Tiếng Việt | Türkçe | العربية | فارسی | עברית | اردو
🌐 Website | 📚 Tutorial | ⬇️ Download | 📝 Blog
This repository is used to publish SelectTranslate plugin Release versions and collect user requests and feedback through GitHub Issues.
This repository is used to publish previous versions, installation packages, and release notes for the SelectTranslate browser extension.
This repository does not contain the plugin source code.
- Chrome Web Store
- Microsoft Edge Add-ons
- Firefox Add-ons
- Mac App Store for Safari
- iOS App Store for Safari
- CRX installation guide
- Previous version downloads
Because review times differ across browser stores, the version shown in each store may not be the latest version.
If you need to install the latest version early, download the matching package from Releases:
Chrome-SelectTranslate-x.x.x.zipFirefox-SelectTranslate-x.x.x.zip
We recommend installing from the Chrome, Edge, Firefox, or Safari app stores first. Manual installation is suitable for testing, reverting to a previous version, or trying a new version early.
🎉 【AI Expert】 and 【Termbase】 are now live! Built-in popular experts and termbases are ready to use, and custom experts and terms are also supported, making translation for specialized domains more accurate and professional!👍👍👍
🌐 Bilingual Webpage Translation: Intelligently identifies and translates webpage content, displaying the translation beneath each original paragraph for a clean, seamless bilingual reading experience. Enjoy barrier‑free access to global knowledge.
📕 PDF Translation: (1) Completely free PDF translation function, offers rapid translation of foreign language documents while preserving the original document format and layout. It features bilingual side-by-side translation to meet your daily PDF document translation and reading needs. (2) PDF Plus - The advanced PDF translation function is designed specifically for translating academic papers and various professional PDF documents. Utilizing advanced multimodal AI + OCR vision processing technology, it accurately recognizing text, formulas, images, tables, and scanned documents, effectively solving the problems of inaccurate recognition and layout disorder.
📖 ePub e-book translation: With SelectTranslate, you can easily convert various foreign language ePub eBooks into bilingual versions, which are perfectly compatible with various e-book readers such as Kindle, helping you break down language barriers and enjoy high-quality global literary resources.
📚 More Document Translation Features: Also supports translating Word, TXT, HTML, Markdown, and subtitle files (SRT/ASS).
📺 Video Subtitle Translation: Supports bilingual subtitle translation on major global streaming platforms such as YouTube, Netflix, Disney+, and TED. The AI Subtitle feature enables instant translation even for videos without subtitles.
👩💻 Online Meeting Translation: Supports real-time translation for Zoom, Microsoft Teams, and Google Meet online meetings (voice subtitle translation, chat message translation, chat input translation), making cross-language communication smoother and more efficient.
🥇 Optimal Translation: An industry‑first approach that runs multiple translation models in parallel and uses a scoring model to intelligently score the outputs and automatically select the best translation, significantly improving both accuracy and reliability. ✅
💥 Comic Translation: Deeply adapted for selected comic websites, breaking language barriers with intelligent recognition and in-place translation for a smoother reading experience!
🏞️ Image Translation: Supports quick translation of webpage images by right-click or hover, with the translated text fitted in place so reading stays uninterrupted. Local image upload translation is also supported, making multilingual image reading much easier.
⌨️ Input Translation: Simply type text into webpage input fields for quick translation. Works seamlessly across Google, Reddit, Twitter, Discord, and many other online input scenarios, significantly improving cross‑language communication and writing efficiency.
🆃 Selection Translation: Simply highlight words or text to translate, giving you a convenient and lightweight translation experience. Word translation: part of speech, phonetic symbols, pronunciation, example sentences, comprehensive learning. Provide detailed translation explanations based on the word’s contextual usage.
🖱️ Hover Translation: Hover your mouse over a webpage paragraph, press the shortcut key, and the translation will appear below the original text. On-demand translation and bilingual comparison make foreign language learning more flexible and effective.
👩🎓 AI Expert: AI translation prompts tailored for different domains, with dedicated roles and translation rules that make specialized content more accurate and professional.
🗂️ Termbase: Stores and manages standard translations of specialized terms across different scenarios to keep terminology accurate and consistent.
🪩 20+ Integrated Translation Services/Models: GPT, Gemini, DeepSeek, Google Translate, and more.
📩 Service & Support: If you encounter any issues or have suggestions during use, feel free to contact us via our service email. Email: service@selecttranslate.com