crawl4ai

Crawl4AI is an open-source web crawler that turns any website into clean Markdown for AI agents and data pipelines.

What it is good for

  • Turning web pages into clean text an AI can read
  • Extracting structured data from websites into JSON
  • Collecting many pages from a site in one run
  • Giving an AI agent live access to web content

At a glance

Who it is for
Setup
Requires programming

Level 5 of 5. You need to write code to use it.

Cost
Free tier plus paid plans
Type
Framework or SDK
Tasks
Works with
Claude Code, Codex, Cursor, OpenCode, Docker

Momentum

Rank this week
#49 in builder tools
Best rank
#31 week 41, 2026
Stars gained last week
+489
GitHub stars
86,759

GitHub numbers as of Nov 2, 2026. Updated weekly.

83.7k 85.3k 87k Sep 24, 2026 Nov 2, 2026
GitHub stars for crawl4ai: 83,934 on Sep 24, 2026, 86,759 on Nov 2, 2026. Source: GitHub.

Ranking history

Official links

Setup steps are on the official pages. We do not repeat them here, since they change.

Questions

Is crawl4ai free?
It has a free plan and paid plans, according to its own description.
Do I need to know how to code to use crawl4ai?
Yes. You need to write code to use it.
What does crawl4ai work with?
According to its own documentation, it works with Claude Code, Codex, Cursor, OpenCode, and Docker.
What is crawl4ai good for?
Turning web pages into clean text an AI can read, extracting structured data from websites into JSON, collecting many pages from a site in one run, and giving an AI agent live access to web content.

Similar agents

  • Firecrawl

    Firecrawl is an API that searches the web and pulls clean page content for AI agents and apps.

  • Scrapling

    Scrapling is a Python web scraping framework that collects data from websites, including JavaScript-heavy and bot-protected ones, for developers.

  • OpenBB

    OpenBB is an open data platform that connects financial data sources to Python, dashboards, and AI agents for analysts.

  • Moli

    Moli is a headless browser that lets AI agents fetch pages, extract content, and automate browser tasks with low resource use.

  • Agent Reach

    Agent Reach is a command-line tool that lets an AI agent read and search login-only and Chinese platforms like Bilibili, Xiaohongshu, and Twitter for people who need that content.

  • Maxun

    Maxun is a web data platform that turns any website into a structured API for teams that need scraped data without writing code.

Last updated Nov 2, 2026. Tracked since Oct 28, 2026. The summary was written by an AI model from the project's own description and checked against our copy rules. Spotted an error? Tell us.