Free tool
Sitemap.xml Validator
Validate sitemap.xml structure with best-effort fetches.
CORS awareInstantNo uploads
Why it helps
Check sitemap
Confirm sitemap.xml structure and counts quickly.
Browser-only
Some sites block CORS, so results may be limited.
SEO
Sitemap.xml validator
CORS aware
FAQ
Quick answers about this tool.
Is this private?
Yes. All processing happens in your browser.
Do I need an account?
No. These tools are free and work without signup.
Can I use multiple files?
Yes. Most tools support batch processing.