LeoMeasure - DataLayer Checker & GTM Inspector

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Preview GTM dataLayer, debug with GTM inject, and fix Shopify Custom Pixel preview issues.

Latest reviews

• (2025-07-11) Shohel Ga4expert: Great tools ever.
• (2025-07-11) Rashdul Islam: Best tool for tracking—clean, fast, and reliable. Perfect GTM companion!
• (2025-07-11) Hasan Hafizur: amazing
• (2025-07-11) KHAYRUL BASHAR: This extension is an all-in-one powerhouse for any tracking specialist. I used to rely on 'Datalayer Checker', but after its latest update introduced some bugs, I started exploring alternatives—and I'm glad I did. This tool completely won me over. It not only displays dataLayer events in a style similar to GTM's preview mode but also makes copying values seamless and efficient. With built-in features for debugging, GTM injection, and deep dataLayer inspection, it replaces multiple extensions in one clean package. If you're serious about web analytics, this extension is an absolute essential.
• (2025-07-10) Bappi Barmon: Extremely helpful extension within same features of all Chrome.
• (2025-07-10) Syed Fazle Rob Helali Zahan: Super Great!
• (2025-07-10) Rifat Mia: As a web analyst working across diverse platforms, including Shopify, LeoMeasure has become an essential part of my daily toolkit. This Chrome extension makes inspecting and previewing the website data layer effortless, saving hours of troubleshooting and giving a crystal-clear view into GTM setups. What sets LeoMeasure apart is its seamless compatibility with Shopify, where data layer inspection is often tricky. It simplifies debugging and helps ensure that tracking implementations are firing correctly, which is crucial for conversion optimization and analytics integrity. A big thank you to the LeoMeasure team for developing such a reliable and intuitive solution. This extension genuinely elevates the workflow for analysts, developers, and marketers alike. Highly recommended for anyone serious about accurate data collection and efficient tag management.
• (2025-07-10) Analytics Amanot: This is really amazing, Extension
• (2025-07-10) Faruk Ur Rahman: I’ve tested dozens of extensions over the years—some good, some just hype. But LeoMeasure genuinely stands out. From debugging missing purchase events to copying nested dataLayer objects in one click, it covers what every GTM professional secretly wished for. No more guessing, no more switching tabs endlessly. Just clean, fast, real-time visibility. This isn’t just a helper tool. It’s a tracking companion. Hats off to the creator—this is what modern tracking needed.
• (2025-07-10) mdemranul hoque: Best datalayer checker for GTM
• (2025-07-10) Imran Ahmed: Extremely helpful extension
• (2025-07-10) Md. Monirul Islam: This extension is a combination of all features that a tracking specialist needs to debug, check datalayer, inject GTM and so on. I previously used 'Datalayer checker' but it had issue after the latest update. So, when I test this extension I become a fan and removed other similar extensions. It shows datalayer event just like GTM preview and also I can easily copy datalayer values. It's a must have tool for any web analyst or tracking specialist.
• (2025-07-10) Md. Motiur Rahman: After the Shopify Checkout Extensibility update, tracking became a major headache — and many clients are still confused. But once I discovered LeoMeasure – DataLayer Checker & GTM Inspector, everything changed. It was truly surprising how smoothly it worked — no more extra explanations needed. Huge thanks to @Hasan Bhai for this innovative, time-saving solution. You've made life a lot easier for us in the tracking community!
• (2025-07-10) MD NASIM REZA: LeoMeasure sets a new standard for GTM and DataLayer debugging. It offers real-time visibility into tags, events, and dataLayer pushes with unmatched precision. Whether you're auditing eCommerce tracking or troubleshooting complex setups, LeoMeasure delivers clarity, speed, and control — all in one sleek interface. A must-have for any serious digital marketer or analytics professional.
• (2025-07-10) Touhidul Islam Tushar: All in one extension for the tracking community. Thanks a lot for such an amazing tool.
• (2025-07-10) Kartik Sarker: A very helpful extension. I think it will be of great benefit to those who work with web analytics.
• (2025-07-10) Ripon Miah: I think its features & benefits are awesome, so it will be the most popular data layer checker in the world in a few days.
• (2025-07-10) Md. Sirazul Islam: Simple "Excellent", the best attempt in this aspect. Thanks, a great help for GTM Experts.
• (2025-07-10) Sagor: Thanks LeoMeasure And Hassanuzjaman Sojib Brother. Awsome Extextion So Helpful.
• (2025-07-10) Al amin: LeoMeasure feels like it was built by "Hasanuz Zaman," who actually understands the daily workflow of GTM users. Whether you're troubleshooting a simple e-commerce event or auditing a full analytics setup, LeoMeasure is a reliable companion that brings clarity to your debugging process. A must-have tool for any serious GTM user or analytics professional like us.
• (2025-07-10) Nayem Islam: Very advanced and useful tool, must recommended.
• (2025-07-10) ASHRAF UDDIN TARIF: Thank you so much. it's working perfectly.
• (2025-07-10) Shifkat Siddiqui: Really a helpful extension. Highly recommended for anyone working with GTM or advanced tracking setups.
• (2025-07-10) Jannatun Naime Arjo: Must-Have Tool for Web Analytics & Tag Debugging! This extension works flawlessly! It lets me see real-time dataLayer events, which makes debugging so much easier ,especially when working with Google Tag Manager or setting up pixels. Saves a lot of time and helps ensure everything fires correctly. A must-have for any web analyst or digital marketer.
• (2025-07-10) Shimul Parvez: LeoMeasure – DataLayer Checker & GTM Inspector is an incredibly useful extension. I highly recommend it to anyone working with Google Tag Manager or managing complex tracking setups.
• (2025-07-09) Abir Molla: Excellent extension! It seamlessly supports all types of data layers, making tag implementation and debugging much easier. Highly recommended for anyone working with Google Tag Manager or advanced tracking setups.
• (2025-07-08) SHAKIL HOSEN: Awsome Chrome Extension
• (2025-07-08) Kalimullah Parvez: It does what exactly I wanted! Great work LeoMeasure!
• (2025-07-08) Md Abu Hanif: Thank you so much bhai, appreciate it
• (2025-07-08) Ripon Ahmed: LeoMeasure - DataLayer Checker & GTM Inspector has quickly become an essential part of my workflow as a web analyst. It does exactly what you'd hope for—providing real-time, crystal-clear visibility into the dataLayer—but it goes beyond that by solving pain points that other tools simply miss. What really sets LeoMeasure apart is how effortlessly it handles complex environments like Shopify’s sandboxed dataLayer, which is notoriously tricky to inspect. With this extension, you can finally validate events and parameters without digging through the console or guessing what’s firing when. The user interface is clean, fast, and intuitive—ideal for both deep debugging sessions and quick QA checks. Whether you're just starting with GTM or you're managing enterprise-level tracking setups, this tool saves time, reduces errors, and gives you confidence in your implementation. Hats off to the LeoMeasure team for building something this thoughtful, efficient, and genuinely helpful. Highly recommended for anyone serious about data accuracy and technical analytics.
• (2025-07-08) MD. NAZMUL ISLAM: "LeoMeasure - DataLayer Checker & GTM Inspector" is a powerful and reliable tool for web analysts, marketers, and developers working with Google Tag Manager and eCommerce platforms like Shopify. It offers a clear and real-time visualization of the dataLayer, making it significantly easier to validate events, parameters, and tracking setups without relying on the browser console. One of the key strengths of this extension is its ability to accurately display Shopify’s sandboxed dataLayer, which is often hidden from standard tools. The intuitive interface enhances productivity and helps streamline the debugging process, making it suitable for both beginners and seasoned professionals in the analytics space. Overall, this is one of the most practical, time-saving, and insightful tools in my data stack. Huge respect to the LeoMeasure team for building a tool that truly understands the needs of web analysts and marketers. — Nazmul Islam, GA4 & GTM Specialist