UTM Link Builder

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Build campaign URLs with utm_source, utm_medium, utm_campaign, utm_term and utm_content parameters, correctly encoded and ready to share.

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Website URL *

Campaign source * (utm_source)

Campaign medium * (utm_medium)

Campaign name (utm_campaign)

Campaign term (utm_term)

Campaign content (utm_content — A/B variant or link position)

Lowercase values and use underscores for spaces (GA4 treats "Email" and "email" as different sources)

Tagged URL

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Frequently Asked Questions

What are UTM parameters?

Query parameters appended to a URL so analytics tools such as Google Analytics can attribute traffic to a source, medium and campaign.

Which are required?

utm_source, utm_medium and utm_campaign are the core three; utm_term and utm_content are optional.

Should I use UTMs on internal links?

No. They override the original traffic source and corrupt attribution. Use them only on links from external places.

Does it keep existing query parameters?

Yes, existing parameters and fragments are preserved and UTM values are properly encoded.

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