---
title: "Crawl4AI Open-Source Web Crawling and Markdown Extraction"
description: "Crawl4AI is an open source crawler and scraper built for LLM-ready web extraction, with structured markdown output, browser support, and Python package distribution. It has strong adoption, active maintenance, and a dedicated docs site for integration patterns."
verification: "security_reviewed"
source: "https://github.com/unclecode/crawl4ai"
author: "unclecode"
category:
  - "Research & Scraping"
framework:
  - "Multi-Framework"
tool_ecosystem:
  github_repo: "unclecode/crawl4ai"
  github_stars: 63814
---

# Crawl4AI Open-Source Web Crawling and Markdown Extraction

Crawl4AI is an open source crawler and scraper built for LLM-ready web extraction, with structured markdown output, browser support, and Python package distribution. It has strong adoption, active maintenance, and a dedicated docs site for integration patterns.

## Prerequisites

python, pip, docker, go, rust, java

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

Install command or upstream instructions:

```
If you encounter any browser-related issues, you can install them manually:
```

## Documentation

- https://docs.crawl4ai.com/

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/crawl4ai-open-source-web-crawling-and-markdown-extraction/)