DataLayer Monitor is a Chrome extension designed to assist developers and marketers in monitoring changes to the Google Tag Manager (GTM) dataLayer in real-time. This tool provides real-time logging of dataLayer updates, allowing users to effortlessly track events and debug issues as they arise.

The extension features a simple popup interface that enables users to toggle logging on or off with ease. It automatically injects itself into all web pages, ensuring that dataLayer changes are monitored from the moment the page loads. For optimal usage, it is recommended to enable the "Preserve log" option on the Console tab while using the tool.