nanobrowser
Open-Source Chrome extension for AI-powered web automation. Run multi-agent workflows using your own LLM API key. Alternative to OpenAI Operator.
Nanobrowser is an open Chrome extension where a planner and a navigator agent cooperate to browse and complete web tasks — running in your existing browser with your own API keys.
From the README
git clone https://github.com/nanobrowser/nanobrowser.git cd nanobrowser
- 100% Free - No subscription fees or hidden costs. Just install and use your own API keys, and you only pay what you use with your own API keys.
- Privacy-Focused - Everything runs in your local browser. Your credentials stay with you, never shared with any cloud service.
- Flexible LLM Options - Connect to your preferred LLM providers with the freedom to choose different models for different agents.
- Fully Open Source - Complete transparency in how your browser is automated. No black boxes or hidden processes.
Excerpts from the project README on GitHub. Copyright and licensing remain with the respective authors.
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Free · no card · unsubscribe anytimeOpen-Source Chrome extension for AI-powered web automation. Run multi-agent workflows using your own LLM API key. Alternative to OpenAI Operator.
nanobrowser has 13.7k stars on GitHub. It has been forked 1.5k times. nanobrowser is written mainly in TypeScript. It has been in active development since 2024. nanobrowser is available under the Apache-2.0 license. Its main topics are agent, ai, ai-agents, ai-tools.
Read the full guideWhat is nanobrowser?
Open-Source Chrome extension for AI-powered web automation. Run multi-agent workflows using your own LLM API key. Alternative to OpenAI Operator.
Is nanobrowser open source?
nanobrowser is an open-source project. It is released under the Apache-2.0 license.
Is nanobrowser free?
Yes. nanobrowser is free and open source — you can use, modify and self-host it.
What license does nanobrowser use?
nanobrowser is available under the Apache-2.0 license.
What language is nanobrowser written in?
nanobrowser is written mainly in TypeScript.
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[](https://olud.ai/project/nanobrowser-nanobrowser.html)
