extension-summarize-translate-claude

Chrome extension to summarize and translate web pages. Uses Claude as the backend.

Setup

This extension is available on the Chrome Web Store, Microsoft Edge Add-ons, and Firefox Add-ons. The following are instructions for manual installation, for development purposes.

1. Open the Manage Extensions page in Google Chrome.
2. Enable Developer mode.
3. Click Load unpacked and select the extension directory.
4. Open the Options page, register your Claude API key, and select a language.

You can obtain a Claude API key from Claude Platform. This extension uses Claude Haiku 4.5 by default.

Usage

Summarize

Simply open a web page and click the extension icon to summarize its content.

If a YouTube video has captions, this extension will summarize the captions. When you open an image file or a PDF, the extension summarizes the currently displayed image.

Translate

Select the text you want to translate and click on the extension icon.

Results

You can ask follow-up questions on the results page.

License

MIT License
Copyright (c) 2024-2026 Sadao Hiratsuka