WebBrain
Open-source AI browser agent — chat with pages, automate tasks, multi-provider LLM support.
As of June 2026, WebBrain has 141 users and a 3.00/5 rating from 2 reviews in the Productivity category.
Usersno change0%
141
141
Ratingno change0%
3.00
2 reviews
Reviewsno change0%
2
Version
12.0.4
Manifest V3
90-day change · In the last 90 days this extension 5 version updates, changed permissions.
History
10 snapshotsTracking since Apr 16, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 16, 2026 | — | — | — | 1.6.7 |
| Apr 22, 2026 | — | — | — | 1.6.7 |
| Apr 29, 2026 | 7 | — | — | 4.0.0 |
| May 6, 2026 | 16 | — | — | 4.0.0 |
| May 11, 2026 | 49 | — | — | 5.0.1 |
| May 17, 2026 | 79 | — | — | 6.0.0 |
| May 23, 2026 | 85 | — | — | 6.0.0 |
| May 30, 2026 | 115 | 1.00 | 1 | 6.0.0 |
| Jun 5, 2026 | 128 | 1.00 | 1 | 6.0.0 |
| Jun 13, 2026 | 121 | 3.00 | 2 | 8.5.0 |
| Now | 141 | 3.00 | 2 | 12.0.4 |
Changelog
- Jun 5, 2026description
WebBrain is a free, open-source browser extension that brings AI agent capabilities to Chrome and Firefox. Read pages, extract data, and automate web tasks — powered by your choice of LLM. The self-hostable alternative to proprietary browser AI plugins. Key Features: - Page Understanding: Reads and comprehends any web page — articles, docs, dashboards, forms - Full Browser Agent: Click, type, scroll, navigate, and interact with pages on your behalf - Data Extraction: Extract structured data from any page — tables, lists, links, forms - Multi-Provider LLM: Works with local llama.cpp, OpenAI, Anthropic Claude, and OpenRouter - Privacy First: Your data stays yours. Run with a local LLM for zero data leakage - Smart Context: Automatic context management prevents token overflow LLM Providers Supported: - llama.cpp (Local) - OpenAI - Anthropic Claude - OpenRouter Interaction Modes: - Ask Mode: Read-only questions about current page - Act Mode: Full agent with browser control for automation License: MIT License Developer: Emre Sokullu GitHub: https://github.com/esokullu/webbrain Categories: Productivity, Developer Tools, AI/Machine Learning
WebBrain is a free, open-source browser extension that brings AI agent capabilities to Chrome. Read pages, extract data, and automate web tasks — powered by your choice of LLM. The self-hostable alternative to proprietary browser AI plugins. Key Features: - Page Understanding: Reads and comprehends any web page — articles, docs, dashboards, forms - Full Browser Agent: Click, type, scroll, navigate, and interact with pages on your behalf - Data Extraction: Extract structured data from any page — tables, lists, links, forms - Multi-Provider LLM: Works with local LLMs (LM Studio, Ollama, llama.cpp) and leading cloud providers (OpenAI, Anthropic Claude, Gemini, OpenRouter, etc.). - Privacy First: Your data stays yours. Run with a local LLM for zero data leakage - Smart Context: Automatic context management prevents token overflow Interaction Modes: - Ask Mode: Read-only questions about current page - Act Mode: Full agent with browser control for automation License: MIT License Developer: Emre Sokullu GitHub: https://github.com/esokullu/webbrain Categories: Productivity, Developer Tools, AI/Machine Learning What's new in version 8.5.0 * Onboarding Flow: New guided setup to help you configure API keys quickly. * Enhanced Capabilities: Improved social media downloads and PDF reading. * Expanded Support: New AI providers added for broader model compatibility.
- Jun 5, 2026permissions
sidePanel, activeTab, tabs, tabGroups, scripting, storage, webNavigation, debugger, downloads, unlimitedStorage, offscreen, privateNetworkAccess
sidePanel, activeTab, tabs, tabGroups, scripting, storage, webNavigation, debugger, downloads, unlimitedStorage, offscreen, privateNetworkAccess, tabCapture, clipboardWrite, clipboardRead
- May 11, 2026permissions
sidePanel, activeTab, scripting, storage, webNavigation, debugger, downloads, unlimitedStorage, offscreen, privateNetworkAccess
sidePanel, activeTab, tabs, tabGroups, scripting, storage, webNavigation, debugger, downloads, unlimitedStorage, offscreen, privateNetworkAccess
- Apr 22, 2026host_permissions
<all_urls>
<all_urls>, http://localhost/*, http://127.0.0.1/*, http://*/*
- Apr 22, 2026permissions
sidePanel, activeTab, scripting, storage, webNavigation, debugger, downloads
sidePanel, activeTab, scripting, storage, webNavigation, debugger, downloads, unlimitedStorage, offscreen, privateNetworkAccess
Permissions & access
- Permissions
- sidePanelactiveTabtabstabGroupsscriptingstoragewebNavigationdebuggerdownloadsunlimitedStorageoffscreenprivateNetworkAccesstabCaptureclipboardWriteclipboardRead
- Host access
- <all_urls>, http://localhost/*, http://127.0.0.1/*, http://*/*
Screenshots
About
WebBrain is a free, open-source browser extension that brings AI agent capabilities to Chrome. Read pages, extract data, and automate web tasks — powered by your choice of LLM. The self-hostable alternative to proprietary browser AI plugins. Key Features: - Page Understanding: Reads and comprehends any web page — articles, docs, dashboards, forms - Full Browser Agent: Click, type, scroll, navigate, and interact with pages on your behalf - Data Extraction: Extract structured data from any page — tables, lists, links, forms - Multi-Provider LLM: Works with local LLMs (LM Studio, Ollama, llama.cpp) and leading cloud providers (OpenAI, Anthropic Claude, Gemini, OpenRouter, etc.). - Privacy First: Your data stays yours. Run with a local LLM for zero data leakage - Smart Context: Automatic context management prevents token overflow Interaction Modes: - Ask Mode: Read-only questions about current page - Act Mode: Full agent with browser control for automation License: MIT License Developer: Emre Sokullu GitHub: https://github.com/esokullu/webbrain Categories: Productivity, Developer Tools, AI/Machine Learning What's new in version 8.5.0 * Onboarding Flow: New guided setup to help you configure API keys quickly. * Enhanced Capabilities: Improved social media downloads and PDF reading. * Expanded Support: New AI providers added for broader model compatibility.
Technical
- Version
- 12.0.4
- Manifest
- V3
- Size
- 1.72MiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- ljhijonmfahplgbbacgcfnaihbjljhhb
- Developer ID
- ue2197e01350ebf0de43cb5c6d19fb92e
- Developer Email
- [email protected]
- Created
- Apr 14, 2026
- Last Updated (Store)
- Jun 10, 2026
- Last Scraped
- Jun 13, 2026
- Website
- webbrain.one
- Support URL
- —
- Privacy Policy
- https://webbrain.one/privacy
Data sourced from the Chrome Web Store · last verified Jun 13, 2026.