extension-summarize-translate-claude

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

Setup

This extension can be installed from Chrome Web Store, Microsoft Edge Add-ons, or Firefox Add-ons. The following are instructions for manual installation, for development purposes.

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

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

Usage

Summarize

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

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

Translate

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

Results

Follow-up questions can be asked on the results page.

License

MIT License
Copyright (c) 2024-2026 Sadao Hiratsuka