Campaign URL tool
UTM Builder
Create a correctly encoded campaign URL without uploading any data.
Build a campaign URL
Required fields are marked with an asterisk.
Generated URL
Existing query parameters and URL fragments are preserved.
Everything runs in your browser. DevKitYard does not receive the URL you enter.
Use consistent campaign names
GA4 treats UTM values as case-sensitive. Agree on a lowercase naming convention before sharing links, and never add campaign tags to internal links because they can replace the visitor's original attribution.
Learn how UTM parameters work →