AI Translation Extension
for Web, PDF and Subtitle Translation
AI Translation Extension
for Web, PDF and Subtitle Translation
Offers a wide range of innovative and practical translation features, including bilingual webpage translation, PDF translation, video subtitle translation (YouTube, Netflix), online meeting translation (Zoom, Teams, Meet), ePub ebook translation, optimal translation, input translation, selection translation, and hover translation. Powered by 20+ top AI translation models such as DeepSeek, OpenAI, Gemini, Claude, Qwen, and GLM, with support for over 100 languages to help you explore global knowledge with ease.
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Integrate the world's top-tier AI translation models
DeepSeek
OpenAI
Gemini
Claude
Grok
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Google
Mistral
Hunyuan
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MiniMax
01.AI
SiliconFlow
TranSmart
Yandex
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The name "SelectTranslate" originates from our pioneering "Optimal Translation" feature. Based on intelligence and application innovation, we are committed to continually developing better and more user-friendly translation products.
SelectTranslate’s mission is to enable everyone to read without barriers and to work and communicate across languages using their native language, advancing information equality and making native‑language freedom a reality.
SelectTranslate’s mission is to enable everyone to read without barriers and to work and communicate across languages using their native language, advancing information equality and making native‑language freedom a reality.
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.
- Click the extension’s floating button to instantly enable bilingual reading.
- Powered by 20+ AI translation models with support for 100+ languages.
- Provides multiple preset translation styles and supports customization.
Document Translation
Provides free document translation with support for PDF, ePub, Docx, HTML, TXT, Markdown, SRT, and ASS formats to meet your daily translation needs.
- Local document parsing for ultra-fast translation.
- Preserves the original document’s formatting and layout.
- Supports translation editing and file export.
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.
- Accurately parse various formulas, complex charts, code snippets and other professional content.
- Supports parsing and translation of scanned PDF files.
- Recognition and conversion of two-column and three-column layouts.
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.
- AI-driven translation for more natural, accurate, and authentic subtitles.
- Covers 100+ languages, making global content accessible.
- Customizable subtitle styles for a personalized viewing experience.
Online Meeting Translation
Supports real‑time translation in Zoom, Microsoft Teams, and Google Meet to make cross‑language communication smoother and more efficient.
- Subtitle Translation: Real-time speech translation with bilingual subtitles.
- Message Translation: Displays incoming chat messages in bilingual form immediately.
- Input Translation: Translate your typed message into the recipient’s language with one click.
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.
- Quality Visualization: Clear scores and explanations make it easy to identify the best translation.
- Automatic Low‑quality Filtering: Removes low‑scoring, incorrect, or subpar translations.
- Sentence‑by‑sentence Selection: Choose the most suitable translation for each sentence with score‑based guidance.
Input Translation
Simply type text into webpage input fields for quick translation. Works seamlessly across Google, Gmail, Reddit, Twitter, Discord, GitHub, and many other online input scenarios, significantly improving cross‑language communication and writing efficiency.
- Direct input integration: Skip the copying, switching, and pasting required by traditional translation tools.
- Chat translation: Fast, single‑model translation for quicker responses.
- Email translation: Multi‑model, best‑of‑output translation for higher accuracy and reliability.
Hover Translation
Hover over any text paragraph on the webpage, and the corresponding translation will be displayed immediately after the original paragraph. Bilingual comparison and on-demand translation help you learn foreign languages more flexibly.
- Paragraph Translation: Translates only the paragraph you hover over.
- Area Translation: Translates all paragraphs within the hovered area.
- Customize the hover‑translation shortcut to fit your personal preferences.
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.
- Switch translation models and target languages as needed.
Application scenarios
