GTM DataLayer Detective

by Ross Foniri · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Real-time monitoring of Google Tag Manager dataLayer and GA4 analytics events

Users

+1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#207K

#173K among extensions

Version

1.3.6

updated 31 Jul 2026

Users

monthly, 3 months

Latest, 16 Oct 2026: 9 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 months

Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About GTM DataLayer Detective

GTM DataLayer Detective helps developers, analysts, and marketers validate their Google Tag Manager and GA4 implementations faster. View GTM dataLayer events and GA4 network requests side-by-side in a single DevTools panel, making it easy to verify event firing, inspect parameters, troubleshoot tracking issues, and understand what data is being sent to Google Analytics. Why install GTM DataLayer Detective? See GTM dataLayer events and GA4 requests in one place Debug analytics implementations in real time Search and filter events instantly Preserve activity across page navigations Export captured events for analysis and sharing Support for multiple GTM containers on the same page Whether you're implementing GA4, validating a GTM deployment, or investigating tracking issues, GTM DataLayer Detective provides a faster, more intuitive way to inspect analytics activity without digging through the console or network tab.