Build campaign URLs with the form above and validate them without creating an account or uploading data to any server. This free UTM builder checks every parameter for GA4 compliance: missing values, mixed case, spaces, special characters, and non-standard mediums. Get severity ratings and one-click fix suggestions.
Build campaign URLs with correct UTM parameters, then validate them below before launch.
A free CSV template with naming conventions for every channel. Download it, share it with your team, and keep your UTM links consistent.
Yes. There is no paid tier, no signup wall, and no usage limit. All URL validation runs in your browser using JavaScript — no data is sent to any server. The tool checks for 10 common UTM hygiene issues and generates a CSV report you can download.
This makes it suitable for marketing teams that cannot upload campaign URLs to third-party tools due to privacy or compliance requirements. Your URLs stay on your machine.
We are exploring bulk validation APIs, team naming policies, and scheduled checks for a future paid tier. Tell us what you need below.