---
title: "GTM Scanner – Chrome extension stats, history and permissions"
description: "73 users, no ratings yet. Version 1.0.7, updated 2026-03-04. Requests 5 permissions."
url: "https://extensiontracker.com/extension/jfcmhipjmmgnajdfkmnegiieanlnpmhj"
---

# GTM Scanner

Live in the Chrome Web Store.

- Users: 73
- Rating: no ratings yet
- Last checked: 2026-09-27 03:35 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #73,928 of 264,703 live extensions
- Rank in Developer Tools: #6,789 of 27,615

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Analyzes GTM containers loaded on the current website and reports tags, triggers, and variables.

- Extension ID: `jfcmhipjmmgnajdfkmnegiieanlnpmhj`
- Developer: [Taishi Akiyama](https://extensiontracker.com/developer/u777e3090312897bbc1ea94df30c293d9)
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2026-03-04
- Last updated: 2026-03-04
- Version: `1.0.7`
- Size: 25.5 KiB
- Minimum Chrome: 88
- Languages (2): English, 日本語
- Support page: `https://blogs.itmedia.co.jp/agile/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/gtm-scanner/jfcmhipjmmgnajdfkmnegiieanlnpmhj>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fjfcmhipjmmgnajdfkmnegiieanlnpmhj>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 73 | – | – |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

**Every website:** it can read and change your data on all the sites you visit.

### Sites

- `<all_urls>`: Every website
- `http://www.googletagmanager.com/*`: www.googletagmanager.com
- `https://www.googletagmanager.com/*`: www.googletagmanager.com

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `scripting`: Run scripts on sites it can reach

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [NotebookLM Source Manager](https://extensiontracker.com/extension/chnggbbijedpjecbpkadjfdgiapgdadp) | 3,000 | 3.89 | 9 | Tools |
| [Confluence Markdown Downloader](https://extensiontracker.com/extension/pmofdccipmfockimhcnocepfdaaclnil) | 1,000 | 5.00 | 2 | Tools |
| [Canvas Exporter](https://extensiontracker.com/extension/kkphnidklocegjblnpijabkbdecincmo) | 25 | 5.00 | 1 | Tools |

All 4 extensions by [Taishi Akiyama](https://extensiontracker.com/developer/u777e3090312897bbc1ea94df30c293d9).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-27 03:35 UTC; next check around 2026-10-21.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “GTM Scanner” (jfcmhipjmmgnajdfkmnegiieanlnpmhj). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/jfcmhipjmmgnajdfkmnegiieanlnpmhj. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_jfcmhipjmmgnajdfkmnegiieanlnpmhj,
  title   = {GTM Scanner (jfcmhipjmmgnajdfkmnegiieanlnpmhj)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/jfcmhipjmmgnajdfkmnegiieanlnpmhj},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/jfcmhipjmmgnajdfkmnegiieanlnpmhj>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.