UTM Builder
Build campaign tracking URLs with UTM parameters — free, instant & private
Build campaign tracking URLs with UTM parameters — free, instant & private
Every marketer has faced the same mystery: traffic arrives, conversions happen, but nobody can say which campaign actually deserves the credit. The UTM Builder on WiserWork solves that in seconds — it assembles clean, correctly encoded campaign tracking URLs right in your browser, with nothing uploaded to any server.
A UTM Builder is a small utility that appends UTM parameters — short tags like utm_source, utm_medium and utm_campaign — to the end of a URL. When someone clicks a link tagged this way, analytics platforms such as Google Analytics 4, Matomo or Plausible read those tags and attribute the visit to the exact campaign, channel and creative that produced it. The concept dates back to Urchin Tracking Module tags (hence "UTM"), and it remains the universal standard for campaign attribution today. Building these links by hand is error-prone: one stray space, an unencoded character, or a second question mark can silently break your reporting. This tool validates your URL, encodes every value, and keeps the five standard parameters in a consistent order, so the links you share are always safe to paste anywhere.
Unlike many campaign URL builders, this one is completely private: the URL you're planning, the campaign names you haven't announced yet, and the pages you're promoting are processed with JavaScript in your own browser and never transmitted anywhere. There's no sign-up, no rate limit and no watermark — just a clean link you can trust. And because it validates as you type, you'll catch a malformed URL before it goes into a paid ad rather than after the budget is spent.
Digital marketers tagging ad campaigns, newsletter authors measuring click-through, social media managers separating organic from paid traffic, and small business owners who simply want to know whether the flyer or the Facebook post brought in more customers — anyone who needs reliable answers from their analytics starts with properly tagged links.
Nothing is technically mandatory, but utm_source, utm_medium and utm_campaign are the trio most analytics tools expect. utm_term and utm_content are optional refinements.
No. The link is assembled locally in your browser with JavaScript — nothing you type is uploaded, logged or stored.
No. They're read by analytics scripts and otherwise ignored, so the page loads exactly the same.
Analytics platforms treat "Facebook" and "facebook" as two different sources, splitting one campaign's data into separate rows. Lowercasing everything avoids that.
Yes. GA4 reads all five standard UTM parameters, and links built here work with GA4, Universal Analytics, Matomo, Plausible and most other analytics platforms.
utm_source is the specific place the link lives (google, newsletter, facebook); utm_medium is the type of channel (cpc, email, social). Together they answer "where from?" and "how?".
No. The tool is free and unlimited — build as many campaign links as you need.
Yes. If your URL already contains parameters like ?ref=partner, the UTM tags are appended alongside them without breaking anything.
In short, the UTM Builder turns a fiddly, mistake-prone chore into a five-second task, and gives your analytics the clean, consistent campaign data it needs. Pair it with the URL Parser to inspect existing links, or the QR Generator to turn your tagged URL into a scannable code.