Free UTM Builder – GA4-Ready, Fast & Privacy-First

UTM Builder

Tag your campaigns. Everything runs in your browser; nothing is sent to servers.

Destination URL (required) Include https://

utm_source *

utm_medium *

utm_campaign *

utm_term

utm_content

Optional GA4 parameters

utm_id

utm_source_platform

utm_creative_format

utm_marketing_tactic

If the URL already has UTM:

Normalize values (lowercase, spaces → _)

Quick presets

Final URL Non-UTM params are preserved. Preview: open Generated parameters