Open Source AI Chrome Extension
An open-source Chrome extension that integrates AI models like Gemini, GPT, and Claude directly into your browser for tasks like chat assistance, screenshot analysis, and multi-model response comparison.
https://github.com/hh54188/ai-assistant-chrome-extension?ref=producthunt
Product Information
Updated:Nov 16, 2025
What is Open Source AI Chrome Extension
Open Source AI Chrome Extension is a browser-based AI assistant tool that brings the power of large language models directly into your web browsing experience. Built out of frustration with expensive subscription-based alternatives, this open-source project allows users to interact with various AI models like Google Gemini, OpenAI GPT, and Anthropic Claude through a convenient browser extension interface. The extension focuses on providing core AI assistant features while maintaining user privacy and offering flexibility in model selection and customization.
Key Features of Open Source AI Chrome Extension
Open Source AI Chrome Extensions are browser-based tools that integrate various AI capabilities directly into the web browsing experience. These extensions typically combine multiple AI models (like GPT, Gemini, Claude) to provide features such as chat assistance, text summarization, content generation, screenshot analysis, and browser automation - all while maintaining user privacy through local processing and customizable API configurations.
Multi-Model Integration: Ability to interact with multiple AI models (like ChatGPT, Google Gemini, Claude) simultaneously and compare responses side-by-side
Screenshot Analysis & Visual Processing: Capture and analyze any part of web pages, including scrolled content, with AI-powered visual recognition capabilities
Local Processing & Privacy Control: Process data locally in the browser and allow users to configure their own API keys and privacy settings
Browser Automation: Enable AI-powered automation of browser tasks through natural language commands and context-aware interactions
Use Cases of Open Source AI Chrome Extension
Content Research & Summarization: Researchers and students can quickly analyze and summarize web content, academic papers, and online resources
Professional Writing Assistance: Writers and content creators can get real-time grammar checking, style suggestions, and content generation help while browsing
Development & Debugging: Developers can use AI assistance for code analysis, debugging, and documentation directly in their browser
Language Learning & Translation: Language learners can get instant translations, explanations, and practice exercises while browsing foreign language content
Pros
Cost-effective alternative to paid AI services
Greater privacy control through local processing
Customizable and extensible through open source nature
Cons
Requires technical setup and API key configuration
May have limited features compared to paid alternatives
Depends on external API services for core functionality
How to Use Open Source AI Chrome Extension
Install Prerequisites: Ensure you have Node.js (v16 or higher) and Chrome browser installed on your computer
Set Up Backend: Navigate to backend folder, run 'npm install', copy env.example to .env, configure your API keys (especially Gemini API key which is required), then run 'npm run dev' to start backend server
Set Up Chrome Extension: Go to chrome-extension folder, run 'npm install', copy env.example to .env, configure settings, then run 'npm run build' to build the extension
Install Extension in Chrome: Open Chrome, go to chrome://extensions/, enable Developer Mode, click 'Load unpacked' and select the chrome-extension/dist folder
Configure API Keys: Get required API keys from: Google AI Studio (required), OpenAI Platform (optional), Notion Developers (optional), and Firecrawl (optional). Add these to your .env file
Start Using Extension: Click the extension icon in Chrome toolbar to open the AI assistant interface. You can now chat with AI models, capture screenshots, and use multi-model mode
Use Key Features: Access AI chat with Gemini models, use multi-model mode to compare responses, utilize tools for external data access, and capture screenshots of web pages
Troubleshooting: If issues occur, check your API keys are correctly configured, ensure backend server is running, and verify extension is properly loaded in Chrome
Open Source AI Chrome Extension FAQs
It's an open-source Chrome extension that allows users to chat with AI models (like Google Gemini), capture screenshots, and compare responses from multiple AI models directly in the browser. It was created as a free alternative to similar paid services that charge around $20/month.
Open Source AI Chrome Extension Video
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