Inputs used
- Destination website URL
- Campaign source
- Campaign medium
- Campaign name
- Optional term and content labels
Free analytics tool / Campaign tagging
UTM campaign URL builder with consistent source tracking
The UTM builder adds consistently encoded campaign parameters to a valid destination URL. Nothing is submitted to GrowthLabs; the URL is generated locally in your browser.
Use the calculatorFree · No account · Inputs stay in your browser
Interactive tool
Change the assumptions. Compare the scenario.
Enter non-sensitive planning values. The output updates in your browser and is not sent to GrowthLabs.
Generated campaign URL
Generated locally in your browser. Do not include personal data or secrets.
Formula and inputs
Know what the result actually represents.
Final URL = destination URL + utm_source + utm_medium + utm_campaign + optional utm_term and utm_content parameters.
Important cautions
- +Never place personal data, passwords, private IDs or secrets in UTM values.
- +Use one documented lowercase naming convention across the team.
- +UTM parameters classify visits; they do not prove causation or replace conversion tracking.
- +Avoid tagging internal website links because it can overwrite acquisition context.
Decision context
A calculator is useful when it improves the next decision.
Use this free planning model to make assumptions visible, compare scenarios and identify which input deserves validation before budget, campaign or conversion decisions are made.
Model
Start with defensible inputs
Use recent, relevant business or platform data where possible. Label estimates clearly so the result is not mistaken for measured performance.
Compare
Change one assumption at a time
Compare a baseline with one or two realistic scenarios. This makes the commercial effect of each rate, cost or volume assumption easier to understand.
Validate
Return to real performance data
Use Google Ads, Meta Ads, GA4, CRM, sales or finance data to test whether the scenario reflects qualified enquiries, customers and actual economics.
How to use the output
Move from arithmetic to a better decision.
- 01
Agree the taxonomy
Document allowed source, medium and campaign naming before many people create links.
- 02
Use lowercase labels
Consistent casing avoids splitting reports into values such as Facebook and facebook.
- 03
Describe the campaign
Use content and term fields only when they help distinguish meaningful variants.
- 04
Test the destination
Open the completed URL, confirm the page loads and verify campaign values in the analytics debugging workflow.
Tool questions
Definitions and limits, answered.
01What does utm_source mean?
It identifies the platform, publisher or origin used in your reporting convention, such as google, linkedin or newsletter.
02What does utm_medium mean?
It identifies the broad channel or distribution method, such as cpc, paid_social, email or referral, according to your documented taxonomy.
03Should UTM values contain spaces?
The builder safely encodes spaces, but consistent lowercase labels with hyphens or underscores are easier to govern and compare.
04Does this tool store my URL?
No. The page generates the URL in your browser and does not submit the form values to GrowthLabs.
Continue with context