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Crawl4AI icon

Crawl4AI

Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key.

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  • Self-Hosted
  • Python
  • Docker
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Development, AI Tools & Services

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  •  85,134 Stars
  •  8,832 Forks
  •  237 Open Issues
  •   Updated  
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What is Crawl4AI?

Crawl4AI turns any website into clean, LLM-ready Markdown for RAG, AI agents and data pipelines. Run the open-source web crawler and scraper yourself, free forever, or use it hosted with one key: scrape, search and extract through one API, with MCP for your agent.

Two ways to use Crawl4AI

🐍 Run it yourself: open source, forever ☁️ Or use the cloud: no browsers, no proxies

Why developers pick Crawl4AI

•LLM-ready output: smart Markdown with headings, tables, code and citation hints •Fast in practice: async browser pool, caching, minimal hops •Full control: sessions, proxies, cookies, user scripts, hooks •Adaptive intelligence: learns site patterns, explores only what matters •Deploy anywhere: no keys needed, CLI and Docker, or the hosted cloud

✨ Features 📝 Markdown generation 📊 Structured data extraction 🌐 Browser control 🔎 Crawling and scraping 🐳 Self-hosting (Docker)