100% Free

See what search engines see.

Crab is a powerful SEO crawler that runs locally on your machine. No limits. No subscriptions. No data leaving your computer. Just fast, reliable site audits.

Download for Free

Available for macOS, Windows, and Linux

Crab SEO Crawler Preview

GitHub Stars

2.5k+

URLs Crawled

10M+

Happy SEOs

5,000+

"Finally, an SEO crawler that just works. Fast, free, and my data stays private."
Sarah ChenSEO Lead · TechStartup Inc.
Features

Everything You Need.
Nothing You Don't.

Crab does what expensive tools do. Except it's free. And faster. And respects your privacy.

Full Site Overview

Pages, issues, indexability—everything in one dashboard.

Full Site Overview

Site Structure

Visualize your site hierarchy and spot orphan pages instantly.

Site Structure

Resource Analysis

Images, scripts, stylesheets—audit every asset on your site.

Resource Analysis

Response Times

Find slow pages dragging down your site performance.

Response Times
Testimonials

Don't Take Our
Word For It

SEO pros are switching to Crab. Here's why.

Found 200+ broken links
Nov 12Marcus Johnson
"Crab found issues we'd missed for months. Export feature is chef's kiss."
Everything I need
Oct 28Emily Zhang
"Finally found a crawler that does everything I need. For free. Wild."
Privacy that matters
Nov 5David Park
"Client data stays on my machine. No cloud uploads. Finally."
Agency approved
Oct 15Rachel Adams
"We use Crab for all client audits now. Fast, reliable, free. What's not to love?"
Found 200+ broken links
Nov 12Marcus Johnson
"Crab found issues we'd missed for months. Export feature is chef's kiss."
Everything I need
Oct 28Emily Zhang
"Finally found a crawler that does everything I need. For free. Wild."
Privacy that matters
Nov 5David Park
"Client data stays on my machine. No cloud uploads. Finally."
Agency approved
Oct 15Rachel Adams
"We use Crab for all client audits now. Fast, reliable, free. What's not to love?"
Found 200+ broken links
Nov 12Marcus Johnson
"Crab found issues we'd missed for months. Export feature is chef's kiss."
Everything I need
Oct 28Emily Zhang
"Finally found a crawler that does everything I need. For free. Wild."
Privacy that matters
Nov 5David Park
"Client data stays on my machine. No cloud uploads. Finally."
Agency approved
Oct 15Rachel Adams
"We use Crab for all client audits now. Fast, reliable, free. What's not to love?"
Found 200+ broken links
Nov 12Marcus Johnson
"Crab found issues we'd missed for months. Export feature is chef's kiss."
Everything I need
Oct 28Emily Zhang
"Finally found a crawler that does everything I need. For free. Wild."
Privacy that matters
Nov 5David Park
"Client data stays on my machine. No cloud uploads. Finally."
Agency approved
Oct 15Rachel Adams
"We use Crab for all client audits now. Fast, reliable, free. What's not to love?"
FAQ

Got
Questions? Cool.

We've got answers. If not, hit us up on GitHub.

Download Crab

Yep. 100% free. No trials, no premium tiers, no "free for 500 URLs" nonsense. Free forever.