Free UTM Campaign Link Builder.
Every marketing dollar you can't attribute is a dollar you'll under-invest in next quarter. UTM parameters — utm_source, utm_medium, utm_campaign, utm_term, utm_content — are how you tag a link so GA4, Plausible, or Fathom can tell what drove the click.
Fill the form to generate a clean, encoded URL. Values are lowercased and dash-separated so a campaign called "Fall 2026 Newsletter" doesn't accidentally show up in reports as three different rows.
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FAQs — UTM Campaign Link Builder
utm_source (where — e.g. newsletter, linkedin), utm_medium (channel type — email, cpc, social), utm_campaign (specific campaign name), utm_term (paid keyword, optional), utm_content (creative variant, optional). Source, medium, and campaign are the three you always set.
GA4 is case-sensitive. "Newsletter" and "newsletter" become two different rows in reports. Lowercase-with-dashes is the industry convention that prevents fragmentation.
No — that resets the referrer and breaks attribution. Only UTM external campaigns pointing INTO your site: email, ads, partner placements, offline QR codes.
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