Download ScreamingCAT
Free, open-source website crawler and SEO auditor. No account required. No crawl limits.
🚀 Launching April/May 2026
Windows
Compatible with Windows 10 and later (64-bit)
macOS
Compatible with macOS 12 (Monterey) and later — Intel and Apple Silicon
Linux
Available as .AppImage and .deb package
Build from Source
ScreamingCAT is open-source. You can build it from the source code.
Prerequisites: Node.js 18+, Rust 1.70+, system dependencies for Tauri 2
git clone https://github.com/[repo]/screamingcat.git
cd screamingcat
npm install
npm run tauri buildSystem Requirements
| Requirement | Minimum | Recommended |
|---|---|---|
| OS | Windows 10 / macOS 12 / Ubuntu 20.04 | Latest stable release |
| RAM | 4 GB | 8 GB+ for large crawls |
| Disk | 200 MB for installation | 1 GB+ for large crawl databases |
| CPU | Dual-core | Quad-core or higher |
| Network | Any internet connection | Broadband for fast crawling |
| Chrome | Installed (for JS rendering) | Latest stable version |
What’s Included
Every download includes the full feature set:
- Unlimited URL crawling
- 60+ automated SEO checks
- JavaScript rendering
- Google Search Console, GA4, and PageSpeed Insights integration
- Custom extraction (CSS, XPath, regex)
- CSV, Excel, and XML sitemap export
- Crawl snapshots and comparison
- Site structure visualization
- Security analysis
- Project save/load
No activation key. No trial period. No feature restrictions.
Release Notes
v0.1.0 — Initial Release
- Full site crawling with multi-threaded Rust engine
- 60+ automated SEO issue detection
- JavaScript rendering via headless Chrome
- Google integrations (PageSpeed, GSC, GA4)
- Custom extraction and search
- Data export (CSV, XLSX, XML sitemap)
- Crawl comparison and snapshots
- Site visualization (crawl tree, site graph, depth chart)
FAQ
Do I need to create an account?
No. Download, install, and start crawling. No registration required.
Is this really free?
Yes. ScreamingCAT is open-source software released under a free license. There are no hidden costs, premium tiers, or feature gates.
How do I update ScreamingCAT?
Download the latest version from this page and install it. Your saved project files (.sccat) are compatible across versions.
Is my data sent anywhere?
No. ScreamingCAT runs entirely on your machine. Data is only sent externally when you explicitly use Google integrations with your own credentials.