Nanobrowser: AI Web Agent & Automation icon

Nanobrowser: AI Web Agent & Automation

by Alex Chen · nanobrowser.ai · Tools
Established publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Automate web tasks with AI! NanoBrowser is an open-source browser extension that lets you extract data, fill forms, and more.

Users
50K
0 in 30 days
Rating
3.6 / 5
−0.17 in 30 days
Ratings
66
+4 in 30 days
Store rank
#3,558
#3,102 among extensions
Version
0.2.0
updated 6 Oct 2026

Users

monthly, 2 years
025K50KMar 2025Jan 2026Oct 2026
Latest, 15 Oct 2026: 50,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
03366Mar 2025Jan 2026Oct 2026
Latest, 15 Oct 2026: 66 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Nanobrowser: AI Web Agent & Automation

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. 🚀 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.

Growth

WindowUsersChangeRatingsRating
7 days+10K+25.0%+1−0.04
30 days0+0.0%+4−0.17
6 months0+0.0%+11−0.34
1 year+10K+25.0%+20−0.48

Chrome Web Store search rankings

Where Nanobrowser: AI Web Agent & Automation appears when people search the store, with the 30 day change
Search phrasePosition30 days
agent#19−17
automation#35−32
ia#39+21
automate#40−28
open ai#44−36
source#95−68

Version history

12 versions recorded
0.2.06 Oct 2026
0.1.1323 Nov 2025
0.1.123 Sep 2025
0.1.925 Aug 2025
0.1.88 Jul 2025
0.1.711 Jun 2025
0.1.622 May 2025
0.1.52 May 2025

Details

Category
Tools
First seen
10 Mar 2025
Size
766 KB
Languages
en, pt-BR, zh-TW
Pricing
Free
Privacy policy
github.com
Support
discord.gg
Extension ID
imbddededgmcgfhfpcjmijokokekbkal

Permissions and risk

Elevated riskimpact 4, likelihood 2
Permissions
storagescriptingtabsactiveTabdebuggerunlimitedStoragewebNavigationsidePanel
Site access
<all_urls>
Can read and change data on every website you visit.

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