Free tools

Check your site before your clients do

Free checkers and generators for SEO, accessibility, AI search, and security. No sign-up, no install. Paste a URL and get a fix you can copy.

SEO & sharing

Get found and get clicked.

Meta tag & social preview checker

See your Google, X, LinkedIn, and Slack previews and fix titles, descriptions, and OG images.

Broken link checker

Find dead links, redirects, and missing pages on any public page.

Schema markup generator

Build valid JSON-LD for your organization, product, app, FAQ, article, or local business.

AI search

Make sure ChatGPT, Perplexity, and Claude can read and cite you.

AI crawler checker

See which of 16 AI crawlers your robots.txt allows or blocks, with a copy-paste fix.

llms.txt generator

Build an llms.txt file from your sitemap so AI tools that read llms.txt get a clean map of your site.

Robots.txt generator & tester

Generate robots.txt with AI crawler presets and test any path against any bot.

Security & launch

The basics that break on launch day.

Security headers checker

Grade HSTS, CSP, and four more headers, then copy the config for your host.

Pro for agencies

Check whole sites and client portfolios in one pass.

Sitemap SEO auditPro

Audit up to 200 pages from a sitemap: titles, descriptions, OG images, canonicals, H1s.

Try free · 10 pages →

Client portfolio health checkPro

Check up to 25 client sites at once: HTTPS, security headers, AI access, sitemap, 404.

Try free · 3 sites →

Free previews included. Pro unlocks the full limits for $20 once, and the same key unlocks the Chrome extension.

Guides

How Shipcheck compares