Free UTM Builder & Checker
Create campaign URLs, audit existing UTM parameters, and clean common tracking problems in your browser.
Where the traffic comes from.
The marketing channel or medium.
The campaign name.
Usually used for paid-search keywords.
Useful for distinguishing ads or links.
Optional campaign identifier.
What this tool checks
- Required utm_source, utm_medium and utm_campaign
- Uppercase values and inconsistent formatting
- Spaces and leading/trailing whitespace
- Duplicate UTM parameters
- A simple expected GA4 channel preview based on source and medium
Browser-only processing: this version does not send your URL values to a server.