Free online tool
Canonical URL Checker
Paste a page URL to spot common canonical problems and copy a cleaner canonical candidate. The check runs locally in your browser.
Browser-only SEO utility
Check and clean a canonical URL
Paste a page URL to validate the format, spot common canonical issues, and copy a cleaner version.
Suggested canonical
0 / 5 checks passing
Enter a URL to generate a clean canonical candidate.
Clean URL candidates
Remove fragments and common campaign tracking parameters before placing a canonical URL in page metadata.
Quick structure checks
Check for HTTPS, lowercase hostnames, readable paths, and URL formatting issues that are easy to miss while publishing.
Private by default
The checker does not crawl the page or upload the URL. It only inspects the text you paste in the browser.