Campaign URL toolkit
UTM Validator
Check campaign URLs for errors, warnings and naming suggestions.
Input
Processed locally in this browser.
Result
Ready
Read findings as a review checklist
Errors identify inputs that need correction before use, such as an unsupported scheme. Warnings flag missing campaign labels, duplicate query keys, or possible personal information. Suggestions concern naming consistency. Missing campaign values can be acceptable for an ordinary non-campaign URL.
Try a campaign value containing reader%40example.com. The privacy warning inspects the decoded value. Then replace it with a shared placement label such as header_button; never use a recipient’s identity as a creative label.
These are local heuristics. A clean result does not certify privacy, reachability, conversion measurement, or GA4 attribution.