---
title: "Pro-Study Online – Chrome extension stats, history and permissions"
description: "6,000 users, rated 4.43 by 7 people. Version 2026.301.1, updated 2026-10-28. Requests 12 permissions."
url: "https://extensiontracker.com/extension/bfeaaehafjdpepdhnnagicdmompoldal"
---

# Pro-Study Online

Live in the Chrome Web Store.

- Users: 6,000
- Rating: 4.43 from 7 ratings
- Last checked: 2026-11-12 03:23 UTC
- Users gained in 7 days: +1,000
- Users gained in 30 days: No change (+0.0%)
- Rank by users: #9,309 of 292,131 live extensions
- Rank in Accessibility: #554 of 8,374

## The listing

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

Summary from the listing:

> Extension to capture data for Pro-Study Online.

- Extension ID: `bfeaaehafjdpepdhnnagicdmompoldal`
- Developer: [Pro-AT Group Ltd](https://extensiontracker.com/developer/u6ad14e16dc00d159da5725c1e7ec8237)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Make Chrome Yours › Accessibility](https://extensiontracker.com/category/make_chrome_yours/accessibility)
- First published: 2022-06-07
- Last updated: 2026-10-28
- Version: `2026.301.1`
- Size: 1.28 MiB
- Minimum Chrome: 88
- Languages (2): English, Nederlands
- Privacy policy: `https://img1.wsimg.com/blobby/go/9006ee5a-8ebc-475b-95df-8f2c137d2575/downloads/Pro-AT%20Group%20Privacy%20Statement.pdf?ver=1666003438425`
- Chrome Web Store: <https://chromewebstore.google.com/detail/pro-study-online/bfeaaehafjdpepdhnnagicdmompoldal>
- View its code or download CRX: <https://crxpeek.com/extension/bfeaaehafjdpepdhnnagicdmompoldal>
- Search Google for the ID: <https://www.google.com/search?q=%22bfeaaehafjdpepdhnnagicdmompoldal%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-12 | 6,000 | 4.43 | 7 |
| 2026-11-05 | 5,000 | 4.43 | 7 |
| 2026-10-29 | 6,000 | 4.43 | 7 |
| 2026-10-21 | 6,000 | 4.43 | 7 |
| 2026-10-15 | 6,000 | 4.43 | 7 |
| 2026-10-08 | 6,000 | 4.43 | 7 |
| 2026-10-02 | 5,000 | 4.43 | 7 |
| 2026-09-26 | 5,000 | 4.43 | 7 |

## What changed

Every change found on a check, newest first.

- 2026-10-29: New version `2026.301.1`, replacing `2026.268.1`.

## 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 2026-09-26.

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

- `http://*/*`: Every website
- `https://*/*`: Every website

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `alarms`: Run tasks on a schedule
- `contextMenus`: Add items to the right-click menu
- `identity`: Sign you in with your Google account
- `identity.email`: Read your Google account's email address
- `notifications`: Show notifications
- `offscreen`: Open a hidden page for background work
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs

## 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 2026-11-12 03:23 UTC; next check around 2026-11-18.

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

## Cite this page

Extension Tracker. “Pro-Study Online” (bfeaaehafjdpepdhnnagicdmompoldal). Chrome Web Store data, last checked 2026-11-12. https://extensiontracker.com/extension/bfeaaehafjdpepdhnnagicdmompoldal. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_bfeaaehafjdpepdhnnagicdmompoldal,
  title   = {Pro-Study Online (bfeaaehafjdpepdhnnagicdmompoldal)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-12},
  url     = {https://extensiontracker.com/extension/bfeaaehafjdpepdhnnagicdmompoldal},
  urldate = {2026-11-13}
}
```

---

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