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GTM Server-Side Inspector

Chrome extension by Nicolas Cousin · Productivity · Tools

A Chrome extension in Productivity · Tools with 110 users, barely installed.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
110
Rating
not rated yet
Users, last 14 days
-7
Version
1.3.0
Updated in the store
2026-03-24
Published
2026-03-07
Manifest
V3
Browser access
3 permissions, 1 site pattern

How it has moved

Users
-7 since 01.09
110-119 · 9 readings
  1. 2026-09-01117
  2. 2026-09-03114
  3. 2026-09-05119
  4. 2026-09-06117
  5. 2026-09-07115
  6. 2026-09-08117
  7. 2026-09-09118
  8. 2026-09-13110
  9. 2026-09-14110
Users
-7 since 01.09
110-119 · 9 readings
  1. 2026-09-01117
  2. 2026-09-03114
  3. 2026-09-05119
  4. 2026-09-06117
  5. 2026-09-07115
  6. 2026-09-08117
  7. 2026-09-09118
  8. 2026-09-13110
  9. 2026-09-14110

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • See the address and title of every tab you have open tabs
  • Watch the network requests your browser makes webRequest
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Nicolas Cousin publishes 8 listings we track, 648 users between them.

  1. LinkedIn Feed Cleaner: Hide Ads & Suggested Posts Nicolas Cousin · Lifestyle · Social · published 2025-01-03 156 users ★ 4.2
  2. Piano Analytics Debugger Nicolas Cousin · Productivity · Tools · published 2026-02-02 114 users ★ 5.0
  3. Tealium utag Viewer Nicolas Cousin · Productivity · Tools · published 2026-01-17 95 users
Show 4 more from this publisher
  1. TagCommander Inspector (Unofficial) Nicolas Cousin · Productivity · Tools · published 2025-04-03 80 users
  2. Malt Auto Availability Nicolas Cousin · Productivity · Tools · published 2025-09-26 59 users
  3. Extension Manager Pro Nicolas Cousin · Productivity · Tools · published 2025-08-04 20 users
  4. LinkedIn Page - Followers Counter Nicolas Cousin · Lifestyle · Social · published 2025-09-19 14 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. sGTM PreviewEZ Describes nearly the same job, smaller audience 47 users ★ 5.0
  2. GA4 Live Debugger & DataLayer Inspector Describes nearly the same job, smaller audience 124 users ★ 5.0
  3. Tag Master – GTM & GA4 Debugger, DataLayer Inspector Describes nearly the same job, smaller audience 392 users ★ 4.8
  4. Clean Analytics Debugger Describes nearly the same job, smaller audience 40 users
  5. GTM Server-side Tagging Detector Describes nearly the same job, smaller audience 471 users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.