Directory · RAG
Crawl4AI
Open-source web crawler built for LLM pipelines — async Playwright, clean markdown output, and LLM-friendly extraction.
Open Source
Best for
Self-hosted RAG ingestion, research automations, replacing brittle scrapers
Pros and cons
Pros
- Fully async and scriptable
- No SaaS dependency for sensitive crawls
- Active development in 2026
Cons
- You operate Playwright and browsers
- Slower to ship than Firecrawl API
- Complex sites need custom extract rules
Alternatives
More rag tools
Firecrawl
RAG
Web-to-markdown API for AI pipelines — crawl sites, extract clean content, and feed RAG indexes without brittle scrapers.
Best for
RAG ingestion, competitive intel, docs mirroring, research automations
Pros
- Clean markdown output (not raw HTML soup)
- Handles JS-rendered pages
- Self-host option for sensitive crawls
Cons
- Rate limits on hosted tier
- Complex sites still need custom rules
- Crawling ethics and robots.txt are on you
Alternatives
Crawl4AITavilyCustom Playwright scraper