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nanobrowser

Open-Source Chrome extension for AI-powered web automation. Run multi-agent workflows using your own LLM API key. Alternative to OpenAI Operator.

13.8k
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Commits (90d)
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Releases (6m)

Star Growth

+3.5k (33.3%)estimated from velocity
10.2k12.2k14.1kJul 2Sep 30

Overview

Nanobrowser is a free, open-source AI web automation tool that runs as a Chrome extension. It enables multi-agent workflows using your own LLM API keys and supports multiple LLM providers including OpenAI, Anthropic, Gemini, and Ollama.

Deep Analysis

Key Differentiator

Open-source alternative to OpenAI Operator that runs locally in your browser with multi-agent collaboration

⚡ Capabilities

  • • multi-agent system
  • • web automation
  • • task automation
  • • interactive side panel
  • • conversation history

🔗 Integrations

OpenAIAnthropicGeminiOllamaGroqCerebrasLlamacustom OpenAI-compatible providers

✓ Best For

  • ✓ developers seeking browser automation
  • ✓ users needing web workflow automation
  • ✓ those wanting privacy-focused AI agents

✗ Not Ideal For

  • ✗ end-user chatbots
  • ✗ image generation
  • ✗ generic AI writing

⚠ Known Limitations

  • ⚠ Chrome extension only
  • ⚠ requires own API keys
  • ⚠ limited to browser-based automation

Alternatives

See all 8 nanobrowser alternatives →

Works with nanobrowser

Tools that integrate with nanobrowser, often used together in the same stack.

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