Free extension
Pixel & Tag Inspector
See which pixels fire on any page, live. Free.
Detect Meta Pixel, TikTok Pixel, GA4, Google Tag Manager, Google Ads and more, watch events as they fire and get plain-language health checks.
What it does
- Live event log with parameters
- Detects duplicate pixels and missing value, currency or event_id
- Works on single-page apps and across a test purchase flow
- Copy a report as Markdown or export JSON
- No account needed, nothing leaves your browser
How it works
- Open the page you want to test.
- Open the extension panel and browse as a customer would.
- Review events and warnings, then copy the report.
Requirements
- Chrome or a Chromium browser
FAQ
Can it see Conversions API events?
No. Server-side events are not visible in the browser. It can show whether browser events carry an event_id for deduplication.
Is it really free?
Yes. If you want help fixing what it finds, see our setup service.