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Free tool · Tracking and creative
UTM Builder
Pick a channel preset or type your own values. The builder forces lowercase and hyphens, so one campaign never splits into three rows in GA4, and flags the click IDs to keep through redirects.
- Free, no sign-up
- Runs in your browser
- Checked 19 October 2026
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How it works
How to use the UTM Builder
- Paste the landing page URL and pick a channel.
- Fill in campaign, content and term.
- Copy the tagged URL or just the query string.
| What | How it's worked out |
|---|---|
| Clean-up | Lowercase; spaces, underscores and slashes to hyphens; other symbols removed |
| Existing parameters | Kept; UTM values replaced |
| ChatGPT ads | utm_source=chatgpt-ads keeps paid clicks apart from organic chatgpt.com links |
From our media team
How to use the result
- Carry the buyer question in utm_content for ChatGPT ads. It's the only record of what the buyer asked that survives into your CRM.
- Use mediums GA4 understands. paid-social lands in Paid Social; display lands in Display; bing as a source puts Microsoft clicks in Paid Search.
- Never tag internal links. UTMs on your own site overwrite the original source.
Read next
- A UTM taxonomy for B2B: sources, mediums and GA4 channels that stay cleanA cross-channel UTM taxonomy for B2B teams: allowed source and medium values for LinkedIn, ChatGPT ads, Google, Microsoft, programmatic and email, how each maps to…
- A UTM convention for ChatGPT adsA simple UTM naming convention for ChatGPT ads that keeps paid and organic AI traffic separate and carries the buyer question into analytics and your CRM.
- A campaign naming convention for B2B ads that reporting can splitA B2B campaign naming convention for LinkedIn, ChatGPT ads, Google and programmatic: the seven parts, separators, examples by channel, how names map to…
- Attribution windows for B2B ads: Google, LinkedIn, ChatGPT and GA4 comparedClick-through and view-through windows by platform (Google Ads, LinkedIn, ChatGPT ads, GA4), why they never agree, which windows to set for long B2B cycles, and how…
Questions
Straight answers.
Which UTM parameters are required?
utm_source, utm_medium and utm_campaign are the minimum for clean reporting. utm_content and utm_term add the ad and variant.
Should UTMs be lowercase?
Yes. GA4 treats LinkedIn and linkedin as different sources, which splits reports.
Do I need UTMs on Google Ads with auto-tagging?
No for Google Ads reporting in GA4, which reads the gclid. Add UTMs only if auto-tagging is off or other tools need them.
Can I tag organic AI answers?
No. You can't tag links AI assistants choose to cite. Track them with the GA4 AI traffic regex instead.
More free tools
Related tools
Sources: Google Analytics Help: Traffic-source dimensions and default channel group; OpenAI Developers: Conversion tracking.
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