Free Tool · Generator

UTM Link Builder

Build campaign URLs with UTM parameters for Google Analytics tracking — with source/medium presets and live preview.

The destination page

Where the traffic comes from

Marketing channel type

Campaign name or promo code

Paid search keywords (optional)

Differentiate ads/links pointing to same URL (optional)

Generated URL

Fill required fields
// Output will appear here

How it works: UTM parameters are appended to your URL. When someone clicks the link, Google Analytics (GA4) reads these parameters and attributes the visit to the correct source, medium, and campaign.

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How to use

How to use the UTM Link Builder

  1. 01

    Use lowercase for all UTM values

    Google Analytics 4 is case-sensitive — utm_source=Facebook and utm_source=facebook are tracked as separate sources. Always use lowercase to prevent data fragmentation.

  2. 02

    Be consistent with naming conventions

    Create a naming guide for your team. Decide once: is it 'email' or 'newsletter' for utm_medium? Is it 'facebook' or 'fb'? Inconsistency makes analytics reporting messy.

  3. 03

    Never use UTM parameters on internal links

    UTM parameters on links within your own site reset the user session in GA4 and attribute the visit to a new source. Only use UTM on external links pointing TO your site from other platforms.

Frequently asked

About the UTM Link Builder

UTM (Urchin Tracking Module) parameters are tags appended to URLs that tell Google Analytics where traffic came from. The five parameters are: utm_source (where), utm_medium (how), utm_campaign (why), utm_term (paid keywords), and utm_content (which link variant).

Yes — in Google Analytics 4, utm_source=Facebook and utm_source=facebook are tracked as completely separate sources. Always use lowercase to avoid splitting your campaign data across multiple entries.

Never. UTM parameters on internal links reset the user session in GA4 and attribute the visit to a new (wrong) source. They are designed only for external links pointing TO your website from other platforms.

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UTM Link Builder

Build campaign URLs with UTM parameters for Google Analytics tracking — with source/medium presets and live preview.

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