Campaign URL Builder is a free online UTM link generator that helps marketers, advertisers, and content creators tag their URLs with UTM tracking parameters for Google Analytics. Enter your destination URL, fill in the campaign parameters, and get a properly formatted tracking URL instantly.
The tool validates URLs in real time, provides common presets for popular platforms, supports bulk URL generation, and includes a handy parameter reference guide — all running locally in your browser with no data sent to any server.