Free tool
UTM Campaign URL Builder
Build tagged campaign URLs that GA4 reads correctly — one at a time or a whole list at once, with presets for the channels you actually use.
- Free
- No signup
- Runs in your browser
Tracked URL
How it works
Step 1
Paste the destination
Any URL. Existing UTM parameters are replaced, not duplicated.
Step 2
Pick a channel
Fourteen presets fill source and medium the way GA4 expects to read them.
Step 3
Copy, or do a whole list
One tagged URL, or paste a list and take the lot as CSV.
Questions
- Why does case matter?
- GA4 treats Google and google as two different sources, so one campaign silently becomes several rows that each look too small to matter. That is why the lowercase toggle is on by default.
- Which parameters do I actually need?
- Source, medium and campaign. Term and content are for splitting a campaign you already have. utm_id ties the whole thing back to a row in your ad platform.
- Does anything I paste leave my browser?
- No. This tool is entirely client-side; nothing is uploaded and nothing is stored.
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