Canonical Tag Checker

Inspect pasted HTML for canonical tags and common canonical issues.

Runs in your browser
No account
Clear output

Input

Paste or edit input, then run the tool.

How to use

Paste or type your input in the text area.
Choose a mode or options if available.
Click Run, review the result, then copy or download.

Examples

Audit a page for duplicate canonical tags.
Verify the canonical URL points to the right page.

FAQ

Is Canonical Tag Checker free to use?

Yes. The page is designed as a free, lightweight utility with non-intrusive ads instead of accounts or paywalls.

Does this tool upload my files or text?

No. The core work runs in your browser, so files and text do not need to leave your device. See the privacy page for broader site details.