Nanobrowser: AI Web Agent & Automation
Automate web tasks with AI! NanoBrowser is an open-source Chrome extension that lets you extract data, fill forms, and more.
As of June 2026, Nanobrowser: AI Web Agent & Automation has 50,000 users and a 3.88/5 rating from 59 reviews in the Productivity category.
Usersno change0%
50.0K
50,000
Ratingdown 2.0 percent−2.0%
3.88
59 reviews
Reviewsup 11.3 percent+11.3%
59
Version
0.1.13
Manifest V3
History
5 snapshotsTracking since Apr 18, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 18, 2026 | 50.0K | 3.96 | 53 | 0.1.13 |
| Apr 28, 2026 | 50.0K | 3.93 | 55 | 0.1.13 |
| May 7, 2026 | 50.0K | 3.95 | 56 | 0.1.13 |
| May 15, 2026 | 50.0K | 3.96 | 57 | 0.1.13 |
| May 24, 2026 | 50.0K | 3.91 | 58 | 0.1.13 |
| Now | 50.0K | 3.88 | 59 | 0.1.13 |
Permissions & access
- Permissions
- storagescriptingtabsactiveTabdebuggerunlimitedStoragewebNavigationsidePanel
- Host access
- <all_urls>
Screenshots
About
An open-source and local-first web automation agent that runs in your browser. 📦 Repository: https://github.com/nanobrowser/nanobrowser ⭐ Our repository has been starred by 4.7k developers in 4 weeks! 🔥Why Nanobrowser? 1️⃣ 100% Free: No subscription fees or hidden costs. Just install and use your own API keys 2️⃣ Privacy-Focused: Agent runs in your local browser instead of cloud 3️⃣ Flexible LLM Options: Supports SOTA LLM models as well as local models 4️⃣ Fully Open Source: Complete transparency in how your browser is automated 📊Key Features: ✅ Multi-agent System: Specialized agents collaborate to accomplish complex web tasks. ✅ Interactive Side Panel: Intuitive chat interface with real-time status updates. ✅ Task Automation: Seamlessly automate repetitive tasks across websites. ✅ Follow-up Questions: Ask contextual follow-up questions about completed tasks. ✅ Conversation History: Easily access and manage your interaction history. ✅ Multiple LLM Support: Connect your preferred LLM providers and assign different models to different agents. 🌐 Browser Support ✅ Chrome ✅ Edge ❌ Firefox ❌ Safari ❌ Other Chromium variants (Opera, Arc, etc.) ⚠️ While Nanobrowser may work on some Chromium-based browsers, they are not officially tested and supported. 🚀 Quick Start 1️⃣ Click the Nanobrowser icon in your toolbar to open the sidebar. 2️⃣ Click the Settings icon (top right). 3️⃣ Add your preferred LLM API keys. 4️⃣ Choose which model to use for different agents (Navigator, Planner, Validator). 5️⃣ Send your commands to Nanobrowser 💡 Prompt Examples 1️⃣ Go to TechCrunch and extract top 10 headlines from the last 24 hours 2️⃣ Look for the trending Python repositories on GitHub with most stars 3️⃣ Find a portable Bluetooth speaker on Amazon with a water-resistant design, under $50. It should have a minimum battery life of 10 hours 🤝 Contributing We are open source. We need your help to make Nanobrowser even better! Contributions of all kinds are welcome: 1️⃣ Share prompts & use cases in our Discord server 2️⃣ Create issues or even submit pull requests on our Github repository ❤️ Loving Nanobrowser? Leave us a review on the Chrome Web Store and help others discover this powerful extension! Your support means everything to us.
Technical
- Version
- 0.1.13
- Manifest
- V3
- Size
- 983KiB
- Min Chrome
- 88
- Languages
- 3
- Featured
- No
Metadata
- ID
- imbddededgmcgfhfpcjmijokokekbkal
- Developer ID
- u874aa2dc4226535b16f3eecbe2c50e70
- Developer Email
- [email protected]
- Created
- Mar 10, 2025
- Last Updated (Store)
- Nov 23, 2025
- Last Scraped
- Jun 5, 2026
- Website
- nanobrowser.ai
- Support URL
- https://discord.gg/NN3ABHggMK
Similar extensions
Alternatives to Nanobrowser: AI Web Agent & Automation, ranked by description similarity.
Browse Bot: your open-source, page-aware AI assistant
Page-aware AI browser assistant that helps automate on-page interactions, summarize pages and images, and find information promptly
49
★ 5.0
BrowserOnly
BrowserOnly is a privacy-first Chrome extension (Manifest V3) that transforms your browser into an intelligent AI assistant powered…
3
MyNextBrowser: Agentic AI & Web Automation
Your all-in-one Agentic AI. Automates research, shopping, & emails. Includes Prompt Enhancer & Text Humanizer. Local-first privacy.
294
★ 4.6
warpsurf
Warpsurf speeds up web tasks with an AI copilot that provides fast chat, web search, and agentic browsing.
19
★ 5.0
BrowserX
General in-browser AI agent for work tasks
42
★ 5.0
Webscribe by BobNinja
Save web pages as clean markdown or text. Perfect for offline reading, AI assistants, and documentation research.
14
★ 5.0
Neuro Browse
AI Browser Assistant-Summarize Webpages, Generate Images & Video, 10 AI models, Smart Content Detection. Privacy & Data-First, BYOK.
6
Bender browser automation
A browser extension for automating web tasks and scraping using OpenAI's ChatGPT.
8
Data sourced from the Chrome Web Store · last verified Jun 5, 2026.