From the makers of GA4 Optimizer
GA4 Debugger That Actually Shows You What's Firing
See every GA4 hit, dataLayer push, and tracking error in real time. No DevTools mess. Works in a Side Panel or DevTools tab.
Add to Chrome - Free
What You Get
Live Hit Feed
Every GA4 event, grouped by page
DataLayer Monitor
Track every push in real time
Block Test Hits
QA on prod without polluting data
Auto Warnings
Catch payload errors before they ship
Google's GA Debugger vs. GA4 Live Debugger
Google's extension only flips debug_mode on. That's it. Here's what you're missing:
Google's GA Debugger
- Toggles debug_mode flag
- No payload inspection
- No dataLayer visibility
- No error detection
- No export or documentation
GA4 Live Debugger
- Full structured payload view
- DataLayer monitoring + validation
- Automated tracking warnings
- Block hits during QA
- CSV export, console logging, UTM panel
Built-In Diagnostics
The extension audits your tracking automatically. No manual checks needed.
- Oversized Payloads - Flags requests over 130KB before Google rejects them
- Mixed Implementations - Warns if GTM and hardcoded gtag.js both fire
- Legacy UA Hits - Detects outdated Universal Analytics calls still active
- Server-Side GTM - Identifies first-party SGTM endpoints automatically
- E-Commerce Validation - Catches missing objects and transaction_ids
- Environment Warnings - Flags staging containers deployed to production
See what's actually hitting Google's servers
Install in 10 seconds. No account, no config, no data leaves your browser.
Add to Chrome - FreeFrequently Asked Questions
Google's GA Debugger only toggles debug_mode on your hits so they show up in DebugView. It doesn't show you the actual payload data, doesn't monitor dataLayer pushes, and doesn't warn you about tracking errors. GA4 Live Debugger gives you a full inspection interface with structured data, automated warnings, and export capabilities.
No. All processing happens locally in your browser. Payloads, dictionary definitions, and dataLayer events never leave your machine. There are no databases, no servers, and no tracking of your usage.
Yes. They are independent extensions that complement each other. GA4 Optimizer enhances the GA4 reporting interface. GA4 Live Debugger focuses on debugging and validating your tracking implementation on any website.
It uses Chrome's Declarative Net Request API to intercept GA4 network requests before they reach Google's servers. The hits still appear in the debugger feed so you can inspect them, but no data is sent to your GA4 property. Useful for QA testing on production sites without inflating your real metrics.
Yes. The extension detects first-party SGTM endpoints and marks those hits with a "1P" badge and a Proxy indicator so you can distinguish them from standard client-side hits.
Yes. The extension automatically validates ecommerce dataLayer pushes against GA4's expected schema. It flags missing ecommerce objects and missing transaction_ids so you catch purchase tracking issues during development rather than discovering them in reports weeks later.
Yes, completely free with no premium tier, no accounts, and no usage limits.
Want more from GA4?
Our sister extension, GA4 Optimizer, adds 25+ tools directly inside the GA4 reporting interface: date range presets, A/B test analysis, advanced table filters, and more.
Stop Guessing. Start Seeing Your Data.
Debug GA4 tracking in minutes instead of hours. Free, private, built by people who actually use GA4 daily.
Add to Chrome - Free(GA4 Live Debugger is an independent tool and is not developed, affiliated with, or endorsed by Google. Google Analytics and Google Tag Manager are trademarks of Google LLC.)