DataLayer Checker Pro

DATA LAYER DEBUGGING, WITHOUT THE BROWSER CONSOLE DataLayer Checker Pro is a fast, simple debugging tool built for tracking specialists, web analysts, and technical marketers. If you work with GTM, GA4, or Shopify tracking, you know the drill: something isn't firing correctly, and you end up opening the browser console, digging through messy objects, or relying on GTM Preview to figure out what's happening. DataLayer Checker Pro gives you a cleaner way to inspect and verify your tracking data without digging through the browser console. HIGHLIGHT ANY PARAMETER YOU WANT Choose any event parameter and give it a color highlight. Highlight the parameters that matter most and make important values instantly visible. Whether you're working with: • event • transaction_id • value • currency • items • item_id • item_name • customer information • campaign parameters • custom ecommerce parameters Set your own highlights and spot important data at a glance. READABLE JSON INSTEAD OF PAYLOAD CHAOS Large one-line JSON objects are difficult to read and debug. DataLayer Checker Pro automatically formats complex payloads into a clean, readable structure and makes long URLs easier to inspect. Search and filter events or data instantly, and switch between: • All • DataLayer • GTM • Shopify COPY EVENTS AND JSON IN ONE CLICK Copy the event name or complete JSON payload with a single click. COPY A GTM ID. GO STRAIGHT TO INJECT. Copy any GTM Container ID and open DataLayer Checker Pro. The GTM ID is automatically detected and takes you straight to the Inject setting. From there, you can: • Inject the GTM container with one click • Inspect the injected container • Remove it with one click No theme edits. No developer dependency. BUILT FOR MODERN SHOPIFY TRACKING Shopify Customer Events and Web Pixels can make tracking data harder to inspect with traditional debugging methods. DataLayer Checker Pro helps you inspect Shopify Customer Events and Web Pixels data directly from your browser, alongside your DataLayer and GTM events. COPY VARIABLE PATHS IN ONE CLICK Found the value you're looking for? Copy its exact dot-notation path with a single click. For example: `ecommerce.items[0].item_id` No manually typing nested paths. No guessing. Just copy the path and use it in your GTM variables. 🌙 DARK MODE + LIGHT MODE Switch between Dark Mode and Light Mode depending on your workflow. BUILT FOR PRIVACY AND SECURITY DataLayer Checker Pro is designed to keep your debugging workflow local. • Manifest V3 compliant • 100% locally bundled • No remote JavaScript or CDNs • No external tracking • No XSS-based remote execution • Processing happens locally within the extension • No analytics service is required for the core debugging functionality Your client-side debugging data stays within your browser environment. READY TO INSPECT YOUR DATA LAYER? Stop digging through the browser console. Install DataLayer Checker Pro and give it a try.