Free tool · Analytics
UTM Link Builder
Build consistently tagged campaign URLs for GA4 so every social post, WhatsApp broadcast, email and ad is attributed to the right source and campaign.
Quick presets
Your tagged URL
Tagging rules that keep GA4 reports clean
- Lowercase everything — GA4 treats "Facebook" and "facebook" as different sources. This tool lowercases for you.
- Use GA4's default channel definitions — medium values like
cpc,email,socialandreferralmap to the right channel groups. - Never tag internal links — UTMs on links within your own site overwrite the original source.
- Keep a naming sheet so the whole team uses the same campaign names.
See Google's documentation on URL builders and campaign data in GA4.
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