UTM Builder

Add UTM parameters to a URL without overwriting anything already there.

Website URL

Campaign Source The referrer: google, newsletter, facebook…

Campaign Medium The marketing medium: cpc, email, social… (suggestions, not required)

Campaign Name

Campaign Term Optional. Used for paid search keywords.

Campaign Content Optional. Differentiates similar content or links within the same ad.

Campaign ID Optional. Written to the URL as utm_id.

Normalize values to lowercase

100% private — your URL is processed in your browser and never sent to a server.

More tools

Bulk UTM Builder — generate UTM-tagged URLs for a whole CSV at once.
UTM Auditor — audit a URL or a batch for tracking problems and get a Tracking Health Score.