Open-source browser extension
A browser extension for bilingual webpages, selection translation, AI reading assistance, and image, document, and subtitle translation.
Open source · GPL-3.0 DeepSeek Harness session core

Webpage reading
Display translations alongside the original text while retaining paragraph correspondence. Translate a full page, hover over a paragraph, or select text, and restore the original when needed.
Webpage translation guideOpen a webpage in your browser.
Choose the target language. The source language is detected automatically.
Display both languages on the page or restore the original.

DeepSeek Harness
Explain selected text, analyze sentence structure, explore usage, and generate practice. Follow-up questions and vocabulary collection are available in the card.
The card integrates a browser adaptation of the DeepSeek Harness session core. It connects the selection, permitted paragraph context, and reading history to your configured AI provider and model.
Explanations and practice use your configured AI service and start when you choose an action.
Reading card guideTranslation formats
Recognize text in webpage images or selected areas and display translations that can be copied.
DocumentsRead PDF, ePub, Word, and other supported files in two languages, edit translations, and export the result.
Video subtitlesDisplay bilingual subtitles on YouTube and X, with configurable subtitle appearance.
Configuration
Configure automatic translation by website, translation styles, keyboard shortcuts, and menu layout.
Choose the free translation service, connect DeepL or an AI provider, or use a local Ollama model.
Choose a translation serviceThird-party services may require their own credentials or paid credits. Cloud translation sends the text to your chosen service. Data & privacy

Source and contributions
The source code is hosted on GitHub. Contributions to code, documentation, interface translations, and website support are welcome through issues and pull requests.
Chrome · Edge · Firefox