Free tool

Campaign Link Builder

Build UTM-tagged campaign URLs and see exactly what Safari and Brave strip from your tracking links -- and what the c_ alias format preserves.

Build your link

Where the traffic is coming from.

The campaign name. Also used to name your short link.

Your campaign links

Standard UTM format

Fill in the fields on the left to build your link.

Privacy-resilient format (includes c_ aliases)

Fill in the fields on the left to build your link.

When a privacy browser strips the utm_ parameters, the c_ aliases ensure attribution is preserved.

Common questions