WebBrain
Free open-source AI browser agent for Chrome, Firefox, and Edge - reads pages, extracts data, automates tasks.
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What is WebBrain?
WebBrain is a free, open-source browser extension that brings AI agent capabilities to any browser, enabling users to read pages, extract data, and automate web tasks. It's a self-hostable, privacy-first alternative to proprietary browser AI plugins that works with local or cloud LLMs of your choice.
WebBrain pricing
Pricing model: Free
Free and open-source; no pricing tiers mentioned
WebBrain pros
- Open-source, auditable, and fully privacy-focused with no telemetry, tracking, or accounts required
- Multi-provider LLM support: works with local llama.cpp, OpenAI, Claude, OpenRouter, or completely offline
- Comprehensive browser automation: reads pages, extracts structured data, fills forms, clicks, types, navigates
- Security-first design with read-only Ask Mode by default and explicit confirmation before consequential actions
- Smart context management and dedicated vision model support for better efficiency and cost
WebBrain cons
- Limited to Chrome and Firefox browser extensions; not a web-based or native app solution
- Requires manual setup of LLM provider (local installation or API key); not a plug-and-play solution
- No mention of advanced features like task scheduling, multi-step workflows, or cross-page automation
- Dependent on underlying LLM quality; performance varies by model chosen
Frequently asked questions about WebBrain
What LLM providers does WebBrain support?
WebBrain works with local llama.cpp, OpenAI, Claude, and OpenRouter. You can use your preferred model or run completely offline with a local LLM.
Is my data private with WebBrain?
Yes. Your data stays on your device with no telemetry, tracking, or accounts required. Use a local LLM for zero data leakage to external services.
What tasks can WebBrain automate?
WebBrain can read and understand web pages, extract structured data from tables/lists/forms, fill forms, download content, navigate pages, and automate repetitive web tasks via natural language.
Do I need an account to use WebBrain?
No accounts required. WebBrain is fully open-source, stores all settings and data locally, and collects no telemetry.