Modern Interface, Powerful Results
Clean, modern interface with dark mode, resizable columns, real-time stats, and an intuitive memory dashboard.
A powerful, free SEO crawler with features that surpass even paid Screaming Frog.
Unlimited URLs · No paywalls · Open source · Self-hostable
Analyze meta tags, schema markup, hreflang, social tags, PageSpeed metrics, and more. Identify technical issues that impact your rankings.
Real-time memory profiling and virtual scrolling enable stable crawling of 1M+ URLs without crashes or performance degradation.
Full Playwright integration for crawling modern SPAs built with React, Vue, Angular, and Next.js. Supports both headless and headed modes.
Export your data in CSV, JSON, or XML format. Choose custom fields and create multiple exports with no restrictions.
MIT-licensed with full source code access. Host on your own infrastructure for complete data control and privacy.
Issue filtering, custom CSS injection, multi-session support, and detailed link tracking. Modern features that even paid Screaming Frog doesn't offer.
| Feature | LibreCrawl | Screaming Frog Paid |
|---|---|---|
| URL Limit | ✓ Unlimited | ✓ Unlimited |
| JavaScript Rendering | ✓ Included | ✓ Included |
| Memory Profiling | ✓ Real-time dashboard | ✗ Basic monitoring |
| Virtual Scrolling | ✓ Handle 1M+ URLs smoothly | ✗ Memory issues at scale |
| Issue Exclusion | ✓ Advanced filtering | ✗ Limited |
| Custom CSS Injection | ✓ Built-in | ✗ Not available |
| Multi-Session Support | ✓ Multiple projects | ✗ Single instance |
| Modern UI | ✓ Web-based, dark mode | ✗ Desktop app only |
| Annual Cost | ✓ $0 | ✗ $259/year per license |
| Open Source | ✓ Yes (MIT License) | ✗ Proprietary |
| Self-Hostable | ✓ Full control | ✗ Desktop only |
| Customizable | ✓ Fork & modify | ✗ Closed source |
* Based on Screaming Frog SEO Spider v20+ paid license ($259/year)
Clean, modern interface with dark mode, resizable columns, real-time stats, and an intuitive memory dashboard.
Why pay for Screaming Frog when LibreCrawl offers more features for free? That's $259 saved annually per user, with no compromise on functionality. For agencies with 5 team members, that's nearly $1,300 in annual savings. For enterprise teams with 20+ SEO professionals, you're looking at $5,000+ in annual cost reduction while gaining superior features like real-time memory profiling and modern web-based interface.
Run unlimited client audits without worrying about per-seat licensing costs eating into your margins. LibreCrawl's multi-session support means your team can work on multiple client projects simultaneously without interference. Export comprehensive reports in CSV, JSON, or XML formats to match your reporting workflow. The memory-efficient architecture ensures stable crawls even when analyzing enterprise-scale client websites with millions of pages.
Scale your agency from 2 to 20 SEO specialists without adding a single dollar to your tool budget. That's money you can invest in growing your team, improving your services, or passing savings on to clients to win more competitive bids.
Enterprise websites often have millions of pages, complex JavaScript implementations, and strict security requirements. LibreCrawl's real-time memory profiling and virtual scrolling technology handle massive crawls that would crash traditional tools. Self-host on your own infrastructure to meet compliance requirements for data governance, security audits, and privacy regulations like GDPR and SOC 2.
Deploy across your entire SEO team without procurement headaches, licensing negotiations, or annual renewal budgets. IT teams love the open-source transparency, security teams appreciate the self-hosted deployment, and finance teams celebrate the zero licensing costs.
E-commerce success depends on technical SEO perfection across thousands or millions of product pages. LibreCrawl helps you audit massive product catalogs efficiently, validating schema markup to secure rich snippets in search results. Identify broken links that hurt both SEO and conversion rates, detect duplicate content across similar products, and ensure canonical tags properly consolidate product variants.
Monitor category page structures, track internal linking patterns that guide customers and search engines, and validate that filters and faceted navigation don't create indexation problems. The JavaScript rendering ensures accurate crawling of dynamic product recommendations, reviews, and AJAX-loaded content.
News sites, blogs, and content publishers need to ensure every article is discoverable and optimized. LibreCrawl crawls your entire content archive to identify orphaned articles with no internal links, detect thin content that needs improvement, and validate that your article schema markup is working correctly for Google News and Discover.
Analyze your internal linking strategy to ensure important content gets proper link equity, identify outdated articles linking to 404s, and monitor page speed across your content to maintain Core Web Vitals scores. The unlimited URL crawling means you can audit your entire content library, whether that's 10,000 or 1 million articles.
Modern SaaS products often use React, Vue, or Angular for their marketing sites and documentation. LibreCrawl's full JavaScript rendering with Playwright ensures accurate auditing of your single-page application architecture. Validate that your product pages, pricing information, and documentation are all crawlable and indexable by search engines.
Monitor your developer documentation for broken links that frustrate users, ensure API reference pages have proper technical SEO, and validate that your marketing site's client-side routing doesn't create SEO issues. The self-hosted deployment means sensitive product information never leaves your infrastructure.
As a freelance SEO consultant, tool costs directly impact your profitability. LibreCrawl eliminates the $259/year expense while providing professional-grade capabilities. Deliver the same quality audits as agencies using expensive tools, without the overhead eating into your earnings.
Use the money saved on tools to invest in education, marketing your services, or simply improving your profit margins. The unlimited URL crawling means you can confidently take on enterprise clients without worrying about crawl limits or performance issues.
LibreCrawl performs comprehensive technical SEO analysis to identify and prioritize issues that impact your search visibility:
The modern web has moved beyond static HTML. LibreCrawl's JavaScript rendering engine handles the complexity of modern web frameworks with ease:
Choose headless mode for maximum crawl speed when you don't need visual rendering, or use headed mode when you need to debug complex JavaScript interactions and see exactly what the browser renders.
Your audit data needs to fit into your existing workflow. LibreCrawl offers flexible export options:
Build automated reporting workflows, integrate with data warehouses, or simply create clean client-ready reports. No "upgrade to export" paywalls or arbitrary limits on your data.
Join the community of SEO professionals using LibreCrawl for comprehensive website audits.
Download on GitHub ↗