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Free UTM Builder – Generate Clean Campaign URLs
This free UTM Builder helps you tag campaign links correctly so your analytics show what actually worked. Generate clean, consistent URLs for ads, email, social, and more — all processed locally in your browser with no uploads, no storage, and no tracking of your links.
Build a tagged link
Quick fill:
Custom parameters
Tagged URL
A/B variants
?
Two URLs that differ only in utm_content. Useful for comparing creative variants in GA4.
Recent campaigns (this browser)
Generate links for many channels at once
Bulk-generate from a CSV
Upload a CSV with columns: landing_url, source, medium, campaign (required); term, content, id (optional). Each row becomes one tagged link in the downloadable result CSV.
Generated links
Import and remix existing URLs
Have a URL that already has UTM parameters? Paste it here to extract the values, then switch to the Single Link tab to remix them.
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