Free tool
Canonical URL Checker
Fetch a URL and find its canonical link tag.
CORS awareInstantNo uploads
Why it helps
Verify canonicals
Confirm the rel=canonical value on a page.
Browser-only
Some sites block CORS, so results may be limited.
SEO
Canonical URL checker
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.