Crawl4AI
Open-source LLM-friendly crawler
Document AI & OCRWeb crawler for LLMsApache-2.0Runs locallyPythonIntermediate
🐳 Docker pulls
📦 PyPI downloads / month
📦 npm downloads / month
🚀 Latest release ·
What is Crawl4AI?
Crawl4AI is a fast, fully open-source crawler that outputs LLM-friendly Markdown with smart extraction strategies, built to run entirely on your own machine.
Why people choose Crawl4AI
- 100% free and local, no API key
- LLM-ready Markdown with extraction strategies
- Async and fast, browser-based crawling
Crawl4AI at a glance
| Category | Document AI & OCR |
| Type | Web crawler for LLMs |
| License | Apache-2.0 |
| Runs locally | Yes |
| Built with | Python |
| Skill level | Intermediate |
| Best for | developers who want a free, local Firecrawl alternative |
Latest releases
Open-source alternatives to Crawl4AI
Other open-source document ai & ocr tools worth comparing:
MarkerConvert PDFs to clean Markdown fast
DoclingIBM-grade document understandingSuryaModern OCR with layout detection
PaddleOCRIndustrial OCR with tiny models
UnstructuredTurn any file into LLM-ready data
FirecrawlTurn websites into LLM-ready Markdown
olmOCRTurn PDFs into clean training-grade text
MinerUPDF to Markdown with formulas and tables
TesseractThe classic OCR engineCrawl4AI head-to-head
Crawl4AI vs MarkerCrawl4AI vs DoclingCrawl4AI vs SuryaCrawl4AI vs PaddleOCRCrawl4AI vs UnstructuredCrawl4AI vs FirecrawlCrawl4AI vs olmOCRCrawl4AI vs MinerUCrawl4AI vs Tesseract
FAQ
Is Crawl4AI free?
Crawl4AI is free and open-source (Apache-2.0 license), so you can use, self-host and modify it at no cost.
Can I run Crawl4AI locally?
Yes. Crawl4AI is designed to run on your own machine or server, keeping your data private.
What is the best alternative to Crawl4AI?
Popular open-source alternatives include Marker, Docling, Surya. See the comparisons above to choose.
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