UTM Builder
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.
UTM Builder
Build clean, consistent UTM-tagged links so every channel shows up in your analytics the same way.
Build a tagged link
A/B variants
Two URLs that differ only in utm_content. Useful for comparing creative variants in GA4.
How GA4 will report this
| Source | Medium | Campaign | Term | Content |
|---|---|---|---|---|
| — | — | — | — | — |
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.