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Coursemos Downloader

Chrome extension by 물바다 · Productivity · Tools

A Chrome extension in Productivity · Tools with 425 users, barely installed.

Specific sites only: 1 match pattern.

What the developer says, and 2 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
425
Rating
5.0 (1 ratings)
Users, last 14 days
+49
Rating, last 30 days
Not watched long enough to say
Version
2.0.1
Updated in the store
2026-09-07
Published
2025-03-25
Manifest
V3
Browser access
5 permissions, 1 site pattern

How it has moved

Users
+49 since 31.08
376-425 · 7 readings
2026-09-07: released 2.0.1
  1. 2026-08-31376
  2. 2026-09-02380
  3. 2026-09-05393
  4. 2026-09-07392released 2.0.1
  5. 2026-09-08397
  6. 2026-09-09404
  7. 2026-09-13425
Rating
unchanged since 31.08
reviewsrating 5.00 · 7 readings
2026-09-07: released 2.0.1
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-07reviews1rating5.00released 2.0.1
  5. 2026-09-08reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-13reviews1rating5.00
Users
+49 since 31.08
376-425 · 7 readings
2026-09-07: released 2.0.1
  1. 2026-08-31376
  2. 2026-09-02380
  3. 2026-09-05393
  4. 2026-09-07392released 2.0.1
  5. 2026-09-08397
  6. 2026-09-09404
  7. 2026-09-13425
Rating
unchanged since 31.08
reviewsrating 5.00 · 7 readings
2026-09-07: released 2.0.1
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-07reviews1rating5.00released 2.0.1
  5. 2026-09-08reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-13reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 1 match pattern.

  • https://lms.inu.ac.kr/*
  • Manage your downloads downloads
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 2
  • Run work in a hidden page offscreen
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2.0.1 · Asked for fewer permissions (6, was 8)

What changed recently

  1. Now requires Chrome 116
  2. Package size changed
  3. Asked for fewer permissions (6, was 8)
Show the remaining 2
  1. Store description rewritten (39 → 50 characters)
  2. Released version 2.0.1 (was 1.1.0)

The publisher

물바다 publishes 3 listings we track, 490 users between them.

  1. CSS Scanner - Inspect & Copy Styles Instantly 물바다 · Productivity · Developer · published 2025-06-10 50 users
  2. ApiTest Pro 물바다 · Productivity · Developer · published 2025-06-11 15 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. Video Downloader - StreamGrabber Describes nearly the same job, smaller audience 32 users
  2. Free Video Downloader – Save or Record Video, MP4 & MP3, HD Describes nearly the same job, smaller audience 9k users ★ 4.7
  3. LectureShelf Describes nearly the same job, smaller audience 7 users
  4. Grabdrop — Video & Audio Downloader Describes nearly the same job, smaller audience 9 users
  5. MAX Video Downloader – download HLS, DASH, MP4/WEBM, LIVE streams Describes nearly the same job, with an established audience 70k users ★ 4.9

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.