Paste any URL and Tag Explorer fetches the page server-side, reads every Google Tag Manager container’s published configuration, and lays out every analytics, advertising and tracking tag it finds as an interactive tree — with the real tracking IDs, duplicate detection, dead-tag flags, and plain-English clean-up recommendations.

It’s built for marketers, SEO and analytics specialists, and developers who need to audit a site’s tag setup in seconds instead of digging through gtm.js by hand. No login, no install — and there’s a one-click Copy for AI summary you can paste straight into ChatGPT or Claude for analysis.