Nanobrowser

Multi-agent web automation in your own browser
Browser & computer-use agentsChrome extension agentApache-2.0PartialTypeScriptBeginner
OSAI Pulse ⓘ ★★★★★★★★★★ /100 signals tracked
🐳 Docker pulls 📦 PyPI downloads / month 📦 npm downloads / month 🚀 Latest release ·
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What is Nanobrowser?

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.

Why people choose Nanobrowser

Nanobrowser at a glance

CategoryBrowser & computer-use agents
TypeChrome extension agent
LicenseApache-2.0
Runs locallyPartial
Built withTypeScript
Skill levelBeginner
Best foran OpenAI-Operator-style agent you fully control

Open-source alternatives to Nanobrowser

Other open-source browser & computer-use agents tools worth comparing:

Browser UseLet AI agents control your browserSkyvernAutomate browser workflows with LLMs + visionStagehandAI browser automation on top of PlaywrightOpen InterpreterChatGPT's Code Interpreter on your machineSteelHeadless browser infrastructure for AI agentsPlaywright MCPGive any AI a real browser via MCPLaVagueTurn objectives into browser automation

Nanobrowser head-to-head

Nanobrowser vs Browser UseNanobrowser vs SkyvernNanobrowser vs StagehandNanobrowser vs Open InterpreterNanobrowser vs SteelNanobrowser vs Playwright MCPNanobrowser vs LaVague

FAQ

Is Nanobrowser free?

Nanobrowser is free and open-source (Apache-2.0 license), so you can use, self-host and modify it at no cost.

Can I run Nanobrowser locally?

Nanobrowser can be used locally or in the cloud depending on your setup.

What is the best alternative to Nanobrowser?

Popular open-source alternatives include Browser Use, Skyvern, Stagehand. See the comparisons above to choose.

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