UTM parameters are small tags added to a URL that let analytics tools like Google Analytics attribute traffic to a specific campaign, source, and medium. Without them, traffic from an email newsletter and a social post can look identical in your reports.
This tool assembles the standard utm_source, utm_medium, and utm_campaign parameters into a clean, ready-to-share link.
Because everything runs locally in your browser, results appear instantly and nothing you type or upload is ever sent to a server.
Bookmark this page if you expect to use this tool regularly — it loads fast and behaves the same way every time, with no account needed.
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Many people discover a tool like this the first time they need it for a specific task, then come back to it regularly afterward once they know it exists.
Frequently asked questions
What's the difference between source and medium?
Source is where the traffic comes from (e.g. 'newsletter' or 'twitter'), while medium is the marketing channel type (e.g. 'email' or 'social').
Will UTM parameters change what the visitor sees?
No, they're purely for tracking — the destination page loads normally, and analytics tools read the parameters in the background.