---
title: "课存助手 - 小鹅通课程备份 – Chrome extension stats, history and permissions"
description: "31 users, no ratings yet. Version 1.0.4, updated 2026-09-21. Requests 8 permissions."
url: "https://extensiontracker.com/extension/mkmcmeojpngdfcfepmmgagefojeajeih"
---

# 课存助手 - 小鹅通课程备份

Live in the Chrome Web Store.

- Users: 31
- Rating: no ratings yet
- Last checked: 2026-09-27 05:43 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #100,960 of 264,703 live extensions
- Rank in Tools: #34,281 of 103,498

## The listing

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

Summary from the listing:

> 第三方小鹅通课程备份工具，支持保存本人已购买或获授权的视频、音频和文档，并按课程目录整理。非小鹅通官方产品。

- Extension ID: `mkmcmeojpngdfcfepmmgagefojeajeih`
- Developer: [brian](https://extensiontracker.com/developer/u10102148cf9b2057d06fe480c0f3d219)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2026-07-15
- Last updated: 2026-09-21
- Version: `1.0.4`
- Size: 10.01 MiB
- Minimum Chrome: 88
- Languages (1): 中文（中国）
- Website: `duodoc.site`
- Chrome Web Store: <https://chromewebstore.google.com/detail/%E8%AF%BE%E5%AD%98%E5%8A%A9%E6%89%8B-%E5%B0%8F%E9%B9%85%E9%80%9A%E8%AF%BE%E7%A8%8B%E5%A4%87%E4%BB%BD/mkmcmeojpngdfcfepmmgagefojeajeih>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fmkmcmeojpngdfcfepmmgagefojeajeih>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 31 | – | – |

## 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

### Sites where it runs scripts

- `<all_urls>`: Every website

### Browser features

- `declarativeNetRequestWithHostAccess`: Block or change network requests on the sites it can reach
- `downloads`: Manage your downloads
- `downloads.open`: Open files you've downloaded
- `offscreen`: Open a hidden page for background work
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs
- `webRequest`: Watch network requests on the sites it can reach

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [ima 文档批量下载工具](https://extensiontracker.com/extension/dkamffdmjfdgfadnchgcopfpkijnheeh) | 278 | 1.00 | 3 | Tools |
| [万能剪存 - 网页保存与文档备份](https://extensiontracker.com/extension/nbllbnjbfaolnifbjocenhekjgphiomk) | 106 | – | – | Tools |
| [Pin All Tabs](https://extensiontracker.com/extension/ohnajaehdnejffmnecmmjfaeggbjgidj) | 77 | – | – | Tools |
| [cors-allow](https://extensiontracker.com/extension/ebeaokdfdhmgojpclbojdfmhlalmfndp) | 18 | – | – | Developer Tools |
| [ShareHub: Smart Content Collection & Reading Experience](https://extensiontracker.com/extension/ekpbgbkjmfeochkaiogcohobcdlpbjpo) | 14 | 5.00 | 1 | Tools |
| [Crayfish Mock:Browser API Response Simulator](https://extensiontracker.com/extension/cbblafakeffdhgmgnmnkanbeonlmmkfb) | 13 | 5.00 | 1 | Developer Tools |
| [Notion Export Pro](https://extensiontracker.com/extension/ochpknoophjchonjlpbfmlhpialomohd) | 10 | – | – | Tools |
| [微博备份](https://extensiontracker.com/extension/fffchikjaanbidhbihicfppeodfppgog) | 7 | – | – | Tools |
| [CWS Shot — Chrome Web Store Image Maker](https://extensiontracker.com/extension/fppbenohcjnakhcnfpephbgoobiihknk) | 5 | – | – | Developer Tools |

All 10 extensions by [brian](https://extensiontracker.com/developer/u10102148cf9b2057d06fe480c0f3d219).

## 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 05:43 UTC; next check around 2026-10-18.

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

## Cite this page

Extension Tracker. “课存助手 - 小鹅通课程备份” (mkmcmeojpngdfcfepmmgagefojeajeih). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/mkmcmeojpngdfcfepmmgagefojeajeih. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_mkmcmeojpngdfcfepmmgagefojeajeih,
  title   = {课存助手 - 小鹅通课程备份 (mkmcmeojpngdfcfepmmgagefojeajeih)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/mkmcmeojpngdfcfepmmgagefojeajeih},
  urldate = {2026-09-28}
}
```

---

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