Free UTM Builder

Create campaign URLs with UTM parameters so Google Analytics 4 can show which guest post, newsletter or social post sent each visitor.

Website URL

Campaign source (utm_source) *

Campaign medium (utm_medium) *

Campaign name (utm_campaign)

Campaign ID (utm_id, optional)

Campaign term (utm_term, optional)

Campaign content (utm_content, optional)

Convert values to lowercase and replace spaces with underscores

How to use the UTM builder

Paste the page URL, then fill in at least the source and medium. Campaign name, term and content are optional but make reports easier to read. The tagged URL updates as you type; copy it into your email, social post or guest post bio.

What each UTM parameter means

utm_source is where the traffic comes from, such as a newsletter or a specific website. utm_medium is the type of channel, such as email, social or referral. utm_campaign groups links from one campaign. utm_term and utm_content help you tell keywords or individual links apart. In Google Analytics 4 these appear as session source, medium and campaign dimensions.

Should you add UTMs to backlinks?

For guest posts and other editorial links, many SEOs prefer a clean URL, because the publisher may remove odd-looking parameters and the link is meant to look natural. Referral traffic from those sites already shows up in Google Analytics. UTMs are most useful for links you control, such as emails, social posts, bios and paid placements. Never use UTMs on internal links within your own site, because they can overwrite the original session source.

UTM builder FAQ

Is this UTM builder free?

Yes. It is free, needs no sign-up and runs in your browser.

Which UTM parameters are required?

For useful reports, always set utm_source and utm_medium. utm_campaign is strongly recommended. The others are optional.

Are UTM parameters case-sensitive?

Yes. Google Analytics treats “Email” and “email” as different values, which is why the tool can convert everything to lowercase.

Do UTM parameters affect SEO?

They do not help rankings. Search engines may treat tagged URLs as duplicates, so use a canonical tag on your pages and avoid UTMs on internal links.

Where do I see UTM data in GA4?

In Reports, Acquisition, Traffic acquisition, using session source, medium and campaign dimensions.

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