Free tools
Free SEO checker tools — no account, no credit card
Four fast, free tools for the files search engines and AI assistants read first. Run a check, copy the fix, move on. Every output should be reviewed by a professional before you publish it.
robots.txt checker & generator
See exactly what your robots.txt allows, whether AI crawlers are blocked, and generate a clean replacement.
llms.txt checker & generator
Check whether AI assistants can find a curated map of your site — and draft one from your live pages.
XML sitemap checker & generator
Validate your sitemap structure, spot broken or non-canonical URLs, and build a fresh sitemap.xml.
Meta title & description checker
Grade your title, description, canonical and social tags, then generate better-length alternatives.
Want the whole site checked, not just one file?
SEO Scanner runs 29 evidence-backed checks across your pages, with screenshots, Core Web Vitals and a fix plan you can hand to a developer.
Free tool disclaimer
These tools are free and provided as-is. Automated results and generated files should be reviewed by an SEO or development professional before you publish them to a live site. SEO Scanner accepts no liability for changes made from this output.