
WebBrain
Free open-source AI browser agent for Chrome, Firefox, and Edge.
- Paid· from $20/month
- Web
- API Available
- Open Source

What is WebBrain?
WebBrain is a Browser Agents tool. Free open-source AI browser agent for Chrome, Firefox, and Edge. WebBrain is a paid tool, starting at $20/month. It is available on Web App, Windows, Chrome and Firefox. It is aimed at developers, power users and data analysts.
WebBrain is a free, open-source AI browser agent that reads pages, extracts data, and automates tasks. It works with multiple LLM providers and offers a multilingual UI. Designed for users who want control over their browser AI workflows.
Built for developers, power users, data analysts and automation enthusiasts.
Key capabilities
Features
Page Understanding
Full Browser Agent
Data Extraction
Multi-Provider LLM
Smart Context
Dedicated Vision Model
Profile Auto-fill
Optional CAPTCHA Solver
Multilingual UI
Token-Conscious
Use cases
- Automate data entry tasks across websites
- Extract structured information from web pages
- Fill user profiles automatically on registration forms
- Solve CAPTCHAs during automated browsing sessions
- Manage context while performing multi-step browser tasks
- Integrate custom AI models into browser workflows
Pros & cons
Pros
- Public API available
- Free open-source license
- Supports multiple LLM providers
Cons
- Paid plans only
Pricing
Paid — paid plans start at $20/month.
| Plan | Price |
|---|---|
| Pro | $29.99 |
| Free | $20 / month |
Developer & API
Public API available
Open source· 1.2K stars· 143 forks
FAQ
What is WebBrain?
WebBrain is a Browser Agents tool. Free open-source AI browser agent for Chrome, Firefox, and Edge. WebBrain is a free, open-source AI browser agent that reads pages, extracts data, and automates tasks. It works with multiple LLM providers and offers a multilingual UI. Designed for users who want control over their browser AI workflows.
Is WebBrain free?
No, WebBrain is a paid tool.
How much does WebBrain cost?
WebBrain offers 2 plans: Pro ($29.99) and Free ($20 / month).
Does WebBrain have an API?
Yes, WebBrain offers a public API for building custom integrations.
What platforms does WebBrain support?
WebBrain is available on Web App, Windows, Chrome and Firefox.
Who should use WebBrain?
WebBrain is built for developers, power users, data analysts and automation enthusiasts. Common uses: automate data entry tasks across websites, extract structured information from web pages, fill user profiles automatically on registration forms and solve CAPTCHAs during automated browsing sessions.
Is WebBrain open source?
Yes, WebBrain is open source.
What are the best alternatives to WebBrain?
Similar tools on AiByts include Open Comet, Tiledesk, Agent Card, Osaurus and BrowserAct Skills.
Details are compiled from WebBrain's website and public sources, last verified Oct 6, 2026. Features and pricing change — confirm on the official site before you buy.
Try WebBrain
Paid · from $20/month
Tags
- Browser Automation
- AI Browser Agent
- Open Source Tool
- Data Extraction
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