UTM Tagger & GA4 Debugger is a Chrome extension designed for marketers and QA testers. This tool automatically appends UTM parameters to URLs and activates GA4 DebugView mode effortlessly. It allows users to set standard UTM parameters, ensuring they are added to every page navigation when enabled, while also offering the flexibility to include unlimited custom query parameters.

The extension features a clear state indicator that shows whether UTM tagging, GA4 debugging, or both functionalities are active. It is particularly useful for digital marketers, agencies, and developers who need to validate analytics setups without affecting live data. The extension does not collect or transmit personal data, ensuring user privacy while providing essential tracking capabilities.