Paste a tagged URL to see the destination and every campaign parameter it carries.
How this parser works
Paste any URL with a query string. The parser separates the destination from the campaign parameters, decodes the values, lists any non-UTM parameters it found, and flags the two mistakes that quietly break reporting: missing required parameters and inconsistent capitalisation.
The formula
The five parameters GA4 reads are utm_source, utm_medium, utm_campaign, utm_term and utm_content. Source, medium and campaign are needed together for a session to report as a campaign.
Questions
Why does capitalisation matter?
GA4 treats Google and google as separate sources, so mixed casing splits one campaign across several rows in your reports.
What if a parameter is present but empty?
It is flagged as not set. An empty parameter is a tagging bug — it looks correct in the URL and reports as missing.
Proof this works
Tracking and analytics rebuilt for a business where the numbers had stopped being trustworthy.
If you would rather we handled it
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