---
title: "Tag Assistant Companion – Chrome extension stats, history and permissions"
description: "500,000 users, rated 3.55 by 206 people. Version 26.307.2.45, updated 2026-11-03. Requests 7 permissions."
url: "https://extensiontracker.com/extension/jmekfmbnaedfebfnmakmokmlfpblbfdm"
---

# Tag Assistant Companion

Live in the Chrome Web Store.

- Users: 500,000
- Rating: 3.55 from 206 ratings
- Last checked: 2026-11-11 15:36 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: No change (+0.0%)
- Rank by users: #448 of 292,131 live extensions
- Rank in Developer Tools: #49 of 30,442

## The listing

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

Summary from the listing:

> The Tag Assistant Companion extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.

- Extension ID: `jmekfmbnaedfebfnmakmokmlfpblbfdm`
- Developer: [Google Ireland, Ltd.](https://extensiontracker.com/developer/u68a0659b40cb94b7410a815f03f5871a)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2021-01-08
- Last updated: 2026-11-03
- Version: `26.307.2.45`
- Size: 228 KiB
- Minimum Chrome: 88
- Languages (39): Deutsch, English, English (Australia), English (United Kingdom), Filipino, Indonesia, Nederlands, Tiếng Việt, Türkçe, català, dansk, español, français, hrvatski, italiano, latviešu, lietuvių, magyar, norsk, polski, português (Brasil), português (Portugal), română, slovenčina, slovenščina, suomi, svenska, čeština, Ελληνικά, български, русский, српски, українська, हिन्दी, ไทย, 中文（中国）, 中文（台灣）, 日本語, 한국어
- Support page: `https://support.google.com/tagassistant/answer/10039345`
- Chrome Web Store: <https://chromewebstore.google.com/detail/tag-assistant-companion/jmekfmbnaedfebfnmakmokmlfpblbfdm>
- View its code or download CRX: <https://crxpeek.com/extension/jmekfmbnaedfebfnmakmokmlfpblbfdm>
- Search Google for the ID: <https://www.google.com/search?q=%22jmekfmbnaedfebfnmakmokmlfpblbfdm%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-11 | 500,000 | 3.55 | 206 |
| 2026-11-04 | 500,000 | 3.55 | 205 |
| 2026-10-29 | 500,000 | 3.55 | 205 |
| 2026-10-21 | 600,000 | 3.55 | 205 |
| 2026-10-13 | 500,000 | 3.06 | 206 |
| 2026-10-07 | 500,000 | 3.06 | 206 |
| 2026-10-05 | 500,000 | 3.06 | 206 |
| 2026-09-29 | 500,000 | 3.06 | 206 |
| 2026-09-27 | 500,000 | 3.06 | 206 |

## What changed

Every change found on a check, newest first.

- 2026-11-04: New version `26.307.2.45`, replacing `26.279.2.45`.
- 2026-10-07: New version `26.279.2.45`, replacing `26.267.11.35`.

## Developer history

Moves to another publisher account and new contact emails, newest first.

No move to another account and no new contact email since tracking began on 2026-09-27.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## 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

### Sites where it runs scripts

- `https://*.google.com/embed/tagging/info/sidepanel*`: google.com and its subdomains
- `https://*.google.com/guided_flows/open`: google.com and its subdomains

### Browser features

- `management`: Manage your other extensions and apps
- `scripting`: Run scripts on sites it can reach
- `sidePanel`: Show a side panel
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs
- `webNavigation`: Follow your browsing, page by page

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Tag Assistant](https://extensiontracker.com/extension/kejbdjndbnbjgmefkgdddjlbokphdefk) | 3,000,000 | 3.43 | 1,316 | Developer Tools |

All 2 extensions by [Google Ireland, Ltd.](https://extensiontracker.com/developer/u68a0659b40cb94b7410a815f03f5871a).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-11-11 15:36 UTC; next check around 2026-11-19.

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

## Cite this page

Extension Tracker. “Tag Assistant Companion” (jmekfmbnaedfebfnmakmokmlfpblbfdm). Chrome Web Store data, last checked 2026-11-11. https://extensiontracker.com/extension/jmekfmbnaedfebfnmakmokmlfpblbfdm. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_jmekfmbnaedfebfnmakmokmlfpblbfdm,
  title   = {Tag Assistant Companion (jmekfmbnaedfebfnmakmokmlfpblbfdm)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-11},
  url     = {https://extensiontracker.com/extension/jmekfmbnaedfebfnmakmokmlfpblbfdm},
  urldate = {2026-11-13}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/jmekfmbnaedfebfnmakmokmlfpblbfdm>. 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. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.