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Free UTM builder —
create tracked links in seconds.

Build UTM links for any platform.
No sign-up. No limits.

No sign-up

Automatic QR Code

Share in one click

Link generated as you type

With a free account

Automatic short link (castnx.link/…)

See real clicks on every link

Organize by client and campaign

Quick template

Destination URL *

Source*

Medium*

Campaign*

Term

Content

Custom parameters(e.g. ref, affiliate_id)

Free UTM builder —create tracked links in seconds.