---
title: "CourseKeeper: Video Downloader for Udemy – Chrome extension stats, history and permissions"
description: "2,000 users, rated 4.17 by 23 people. Version 1.1.5, updated 2026-08-26. Requests 8 permissions."
url: "https://extensiontracker.com/extension/panjfonepijejhflehmlbdfmdmgaeami"
---

# CourseKeeper: Video Downloader for Udemy

Live in the Chrome Web Store.

- Users: 2,000
- Rating: 4.17 from 23 ratings
- Last checked: 2026-11-11 14:50 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: No change (+0.0%)
- Rank by users: #14,552 of 292,131 live extensions
- Rank in Education: #438 of 12,901

## The listing

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

Summary from the listing:

> Save videos, subtitles, articles, and attached course resources from Udemy courses you own. Batch and full-course downloads.

- Extension ID: `panjfonepijejhflehmlbdfmdmgaeami`
- Developer: [New Extension Team](https://extensiontracker.com/developer/u86c4a652601aa8c996122cbb24c95fe9)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education)
- First published: 2026-07-01
- Last updated: 2026-08-26
- Version: `1.1.5`
- Size: 218 KiB
- Minimum Chrome: 88
- Languages (11): Deutsch, English, Indonesia, español, français, português (Brasil), русский, 中文（中国）, 中文（台灣）, 日本語, 한국어
- Privacy policy: `https://reforgeextensions.com/privacy`
- Chrome Web Store: <https://chromewebstore.google.com/detail/coursekeeper-video-downlo/panjfonepijejhflehmlbdfmdmgaeami>
- View its code or download CRX: <https://crxpeek.com/extension/panjfonepijejhflehmlbdfmdmgaeami>
- Search Google for the ID: <https://www.google.com/search?q=%22panjfonepijejhflehmlbdfmdmgaeami%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 | 2,000 | 4.17 | 23 |
| 2026-11-04 | 2,000 | 4.17 | 23 |
| 2026-10-27 | 2,000 | 4.17 | 23 |
| 2026-10-20 | 2,000 | 4.17 | 23 |
| 2026-10-13 | 2,000 | 4.17 | 23 |
| 2026-10-06 | 1,000 | 4.17 | 23 |
| 2026-09-29 | 1,000 | 4.29 | 21 |
| 2026-09-27 | 1,000 | 4.29 | 21 |

## What changed

Every change found on a check, newest first.

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

## 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.

### Sites

- `https://*.udemycdn.com/*`: udemycdn.com and its subdomains
- `https://api.reforgeextensions.com/*`: api.reforgeextensions.com
- `https://www.udemy.com/*`: www.udemy.com

### Sites where it runs scripts

- `https://www.udemy.com/course/*`: www.udemy.com

### Browser features

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

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [VK Video, Dzen & Music Downloader](https://extensiontracker.com/extension/bkpblkcbgnhkplchfcmbdkpcdgkkamej) | 8,000 | 4.75 | 44 | Workflow & Planning |
| [Discord Exporter - Token Copy & Token Login](https://extensiontracker.com/extension/ekbfnonihigooggoianjmjeeecjbddao) | 1,000 | 3.50 | 8 | Tools |
| [Video Downloader & Stream Saver](https://extensiontracker.com/extension/fncpbnalnkcndchoifjnikcoiominaho) | 423 | 5.00 | 5 | Workflow & Planning |
| [Telegram Media Downloader & Batch Saver](https://extensiontracker.com/extension/oobifnnbhnlpcbeefiehbbdbfnhkemlp) | 198 | 5.00 | 6 | Workflow & Planning |
| [IG Media & Voice Saver](https://extensiontracker.com/extension/kplcjpjmohbmgmbdkiklaijhblgjgfpn) | 177 | 5.00 | 2 | Workflow & Planning |
| [Discord Member Exporter](https://extensiontracker.com/extension/pepmcocbelnifgakobdfdfdcekipefmb) | 109 | 4.80 | 5 | Workflow & Planning |
| [Cleanmark for Gemini](https://extensiontracker.com/extension/mfdpgbdhpgmphcknokdcdolebcaeoegd) | 72 | 5.00 | 1 | Tools |
| [Bulk Saver for Gumroad](https://extensiontracker.com/extension/dalpheajlnbfhcpbjiilppciajceecne) | 17 | – | – | Workflow & Planning |
| [TikTok Followers Export](https://extensiontracker.com/extension/lfmiahckehlckdkgkgfidjblaeocickd) | 17 | – | – | Workflow & Planning |
| [AudioLift Volume Booster - Sound Enhancer](https://extensiontracker.com/extension/ofpkgdbliijejmomdgcdhneddcjbplcj) | 16 | – | – | Tools |

All 18 extensions by [New Extension Team](https://extensiontracker.com/developer/u86c4a652601aa8c996122cbb24c95fe9).

## 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 14:50 UTC; next check around 2026-11-18.

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

## Cite this page

Extension Tracker. “CourseKeeper: Video Downloader for Udemy” (panjfonepijejhflehmlbdfmdmgaeami). Chrome Web Store data, last checked 2026-11-11. https://extensiontracker.com/extension/panjfonepijejhflehmlbdfmdmgaeami. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_panjfonepijejhflehmlbdfmdmgaeami,
  title   = {CourseKeeper: Video Downloader for Udemy (panjfonepijejhflehmlbdfmdmgaeami)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-11},
  url     = {https://extensiontracker.com/extension/panjfonepijejhflehmlbdfmdmgaeami},
  urldate = {2026-11-13}
}
```

---

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