Tools

Free Chrome extensions I developed to make daily TMS debugging easier.

Chrome Extensions

Published on Chrome Web Store

GTM Server-Side Inspector

Inspect GA4 Measurement Protocol hits sent to your server-side GTM container in real-time. Overlay widget, zero config, compatible with all SST providers.

Real-time SST hit capture
Floating overlay widget
Automatic endpoint detection
Service Worker + sendBeacon interception
Params / Raw view with copy
Per-site activation, persistent hits
Available on request
GTM Server-Side Inspector demo

Latest updates

  • March 3, 2026 - v1.1
    • Service Worker interception (off-page hits)
    • sendBeacon hook (end-of-session hits)
    • Raw view with copy button
    • Per-site activation, hits persisted across navigations
  • February 2026 - v1.0
    • Launch — endpoint detection, SST provider fingerprinting
    • Shadow DOM widget, hits grouped by page
    • Event filters, debug hit filter

⚠️ Independent personal project, unofficial and not affiliated with Google.

Tealium utag Viewer

Visualize utag_data variables and Tealium iQ events in real-time. Essential for daily debugging.

Real-time utag_data visualization
utag.link / utag.view history
Before/after diff for each event
JSON datalayer export
Variable search
Clean and fast interface
Install extension

Demo GIF coming soon

Latest updates

  • January 2025
    • Improved event detection
    • New interface design
    • Minor bug fixes
  • December 2024
    • Extension launch

tc_vars Checker

Debug Commanders Act / TagCommander tc_vars variables. Real-time datalayer visualization.

Real-time tc_vars visualization
Auto container detection
Change history
JSON datalayer export
Clean and lightweight interface
Works on all websites
Install extension
tc_vars Checker Demo

Latest updates

  • January 2025
    • Extension launch
    • Support for all TC containers

Piano Analytics Debugger

Debug and inspect Piano Analytics requests in real-time. Floating widget, audit mode, SST support.

Real-time Piano request capture
Floating overlay widget
Audit mode (untracked clicks)
Server-Side Tracking (SST) support
Light / Dark themes
CSV audit export
Install extension

Demo GIF coming soon

Latest updates

  • February 10, 2026 - v3.2.0
    • Complete S/M/L scaling (all UI elements resize)
    • Fixed page group auto-expansion on navigation
    • Improved Settings button visibility (icon + text)
  • February 9, 2026 - v3.1.0
    • Fixed URL patterns (GTM server-side detection)
    • Added Piano endpoints (/pa, /collect)
    • Complete SST documentation rewrite
  • February 6, 2026 - v3.0.1
    • Fixed FAQ Settings and Light mode
    • Event preservation in Widget
  • February 6, 2026 - v3.0.0
    • Dedicated Settings page with level badges
    • Simplified popup with quick settings
    • URL Patterns syntax guide
  • February 2026 - v2.3.0
    • Added Light theme + alphabetical property sorting

Axeptio Inspector

Audit and test your Axeptio GDPR integrations in real-time. Compliance score, violation detection, waterfall timeline, IAB TCF v2 signals.

A → F compliance score in real-time
Pre-consent cookie detection
Timestamped waterfall timeline
localStorage / sessionStorage monitoring
IAB TCF v2 signals (purposes, vendors)
Cookie reset + banner replay in 1 click
Available on request

Demo GIF coming soon

Latest updates

  • February 2026 - v1.0.0
    • Extension launch
    • Isolated Shadow DOM sidebar, zero interference
    • JSON report export

⚠️ Independent personal project, unofficial and not affiliated with Axeptio SAS.

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