Canonical URL Checker — Validate Canonical Tags

Check and validate canonical URLs for your pages. Prevent duplicate content issues.

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Frequently Asked Questions

How do I use Canonical URL Checker?
Enter a page URL and the tool checks whether a canonical tag is present, its value, and if it is correctly configured.
Is Canonical URL Checker free?
Yes, Canonical URL Checker on ToolPix is 100% free with no signup or installation required.
Is my data safe?
All processing happens in your browser, your data never leaves your device.
What is a canonical URL?
A canonical URL tells search engines which version of a page is the "master" copy, preventing duplicate content penalties from similar URLs.
What common canonical issues are detected?
Missing canonical tags, self-referencing canonicals, cross-domain canonicals, and redirected canonicals are all flagged.