UTM Debugger
Inspect your campaign parameters and see how they pass through a redirect. Start with a source URL, then add a destination to compare.
Human verification
Complete the captcha to run host checks and resolve smart links.
Source URL
Enter a source URL to inspect query parameters.
UTM Parameters
No UTM parameters detected.
Path: —
Segments: —
Hash: —
Destination Smart Link
Redirect Analysis
Run the simulation to see redirect hops and final UTM payload.
Good to know
What does this UTM checker validate?
It checks source URL formatting, UTM parameter casing, query-string placement, smart-link merge behavior, redirect hops, and the final landing URL query parameters.
Can I test GA4 campaign parameters with this tool?
Yes. Use it before launch to verify utm_source, utm_medium, utm_campaign, utm_content, and related campaign tags survive the redirect chain.
Why do UTMs disappear after a short link redirect?
They are usually dropped by redirect rules, overwritten by destination defaults, placed after a URL hash, or blocked by a link service that does not merge query parameters.