Free Tool

Canonical Tag Generator

Build a correct rel=canonical link tag for any URL instantly.

Questions answered

Frequently asked questions

Everything you might be wondering about the Canonical Tag Generator.

What does a canonical tag do?
It tells search engines which URL is the "master" version of a page, preventing duplicate-content issues when the same content is reachable at multiple URLs.
Where does this tag go?
Inside the <head> section of the HTML page.
Is it free and private?
Yes — free, no sign-up, and everything runs in your browser.