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ChatGPTBox-dev/chatGPTBox

A browser extension that brings ChatGPT and other AI chat models into any web page via a chat box, page summaries, and selection tools.

Open-source alternative to:SiderMerlin

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Last commit
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What is it?

ChatGPTBox is a browser extension that puts an AI chat assistant on top of the pages you already use. A chat dialog can be opened on any page with a keyboard shortcut, and the extension can summarize a page from the right-click menu or run selection tools for translation, polishing, and code explanation.

The extension integrates with search engines such as Google and Bing, and with sites like Reddit, YouTube, GitHub, and Stack Overflow, showing AI answers alongside their native content. It also offers an independent full-page conversation view, floating chat windows, and conversation branches. Supported backends include ChatGPT web and API access, Claude, New Bing, Moonshot, Azure, and self-hosted endpoints through a custom API address.

It is distributed for Chrome, Edge, Firefox, and Safari, with an Android build listed in the project's install options. Per the project's own notes, prompts and page content are only sent to the configured AI service when an AI feature is triggered.

Key features

  • 01Open a chat dialog on any page with a keyboard shortcut.
  • 02Summarize pages and run selection tools for translation, polishing, and code explanation.
  • 03Integrates with search engines and sites such as Reddit, YouTube, GitHub, and Stack Overflow.
  • 04Supports multiple backends, including ChatGPT, Claude, New Bing, and custom API endpoints.
  • 05Offers floating chat windows, conversation branches, and an independent conversation page.
  • 06Lets you export or copy chat records.

Use cases

  • Summarizing a long article or video without leaving the page.
  • Translating or explaining selected text while reading documentation.
  • Asking follow-up questions about search results or GitHub code.
  • Connecting a self-hosted or proxied LLM endpoint to a browser chat interface.

Quick start

  1. 1

    Install from the Chrome Web Store

  2. 2

    Or install from Firefox Add-ons

Things to know

  • Safari and Android installs follow separate guides in the project wiki rather than a store listing.
  • AI features send prompts and page content to the AI service you configure, and only when you trigger them.

Topics

#browser-extension#chatgpt#llm#chrome-extension#firefox-addon#productivity#edge-extension#firefox-extension#safari-extension

FAQ

What is chatGPTBox?
A browser extension that brings ChatGPT and other AI chat models into any web page via a chat box, page summaries, and selection tools. ChatGPTBox is a browser extension that puts an AI chat assistant on top of the pages you already use. A chat dialog can be opened on any page with a keyboard shortcut, and the extension can summarize a page from the right-click menu or run selection tools for translation, polishing, and code explanation.
Is chatGPTBox free to use? What license does it have?
chatGPTBox is open source under the MIT license. Check the license terms before using it in commercial products.
Is chatGPTBox still maintained?
Actively maintained. The last commit to chatGPTBox was on Oct 19, 2026.
What can I use chatGPTBox for?
Summarizing a long article or video without leaving the page. Translating or explaining selected text while reading documentation. Asking follow-up questions about search results or GitHub code. Connecting a self-hosted or proxied LLM endpoint to a browser chat interface.
How do I install chatGPTBox?
Install from the Chrome Web Store Or install from Firefox Add-ons
Where can I get chatGPTBox?
The source code and installation instructions are on GitHub: https://github.com/ChatGPTBox-dev/chatGPTBox

Summary generated by AI from the project's README. GitHub stats refresh daily.

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