---
title: "Environment Marker – Chrome extension stats, history and permissions"
description: "40,000 users, rated 4.83 by 57 people. Version 1.2.1, updated 2025-03-11. Requests 4 permissions."
url: "https://extensiontracker.com/extension/ahjhdebcnlgmojdmjnhikhakkghcchkk"
---

# Environment Marker

Live in the Chrome Web Store.

- Users: 40,000
- Rating: 4.83 from 57 ratings
- Last checked: 2026-09-26 21:47 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #2,847 of 264,703 live extensions
- Rank in Developer Tools: #250 of 27,615

## The listing

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

Summary from the listing:

> Use the Environment Marker extension and prevent screw-ups with the (programming) environments.

- Extension ID: `ahjhdebcnlgmojdmjnhikhakkghcchkk`
- Developer: [Geovanne Borges Bertonha](https://extensiontracker.com/developer/u4b0907f9c56264b7861e1c0dce308f94)
- Trader status: Not declared a trader under EU law
- Category: [Productivity › Developer Tools](https://extensiontracker.com/category/productivity/developer)
- First published: 2015-11-27
- Last updated: 2025-03-11
- Version: `1.2.1`
- Size: 160 KiB
- Minimum Chrome: 88
- Languages (11): Deutsch, English, Tiếng Việt, español, français, italiano, português (Brasil), русский, 中文（中国）, 日本語, 한국어
- Website: `environmentmarker.io`
- Support page: `https://github.com/geovanneb/envmarker/issues/new`
- Chrome Web Store: <https://chromewebstore.google.com/detail/environment-marker/ahjhdebcnlgmojdmjnhikhakkghcchkk>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fahjhdebcnlgmojdmjnhikhakkghcchkk>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-26 | 40,000 | 4.83 | 57 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-26.

## 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

- `<all_urls>`: Every website

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `alarms`: Run tasks on a schedule
- `storage`: Save settings and data in your browser

## 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 2026-09-26 21:47 UTC; next check around 2026-10-02.

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

## Cite this page

Extension Tracker. “Environment Marker” (ahjhdebcnlgmojdmjnhikhakkghcchkk). Chrome Web Store data, last checked 2026-09-26. https://extensiontracker.com/extension/ahjhdebcnlgmojdmjnhikhakkghcchkk. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_ahjhdebcnlgmojdmjnhikhakkghcchkk,
  title   = {Environment Marker (ahjhdebcnlgmojdmjnhikhakkghcchkk)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-26},
  url     = {https://extensiontracker.com/extension/ahjhdebcnlgmojdmjnhikhakkghcchkk},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/ahjhdebcnlgmojdmjnhikhakkghcchkk>. 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`.