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Chrome extension by karel.test.special · Productivity · Tools

  • Established publisher

A Chrome extension in Productivity · Tools with 448 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 3 screenshots

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

Users
448
Rating
4.5 (4 ratings)
Users, last 15 days
+44
Rating, last 30 days
Not watched long enough to say
Version
2.0.1
Updated in the store
2026-06-18
Published
2025-07-09
Manifest
V3
Browser access
6 permissions

How it has moved

Users
+44 since 01.09
399-448 · 9 readings
  1. 2026-09-01404
  2. 2026-09-02411
  3. 2026-09-03416
  4. 2026-09-04400
  5. 2026-09-06399
  6. 2026-09-07412
  7. 2026-09-09413
  8. 2026-09-13442
  9. 2026-09-15448
Rating
unchanged since 01.09
reviewsrating 4.50 · 9 readings
  1. 2026-09-01reviews4rating4.50
  2. 2026-09-02reviews4rating4.50
  3. 2026-09-03reviews4rating4.50
  4. 2026-09-04reviews4rating4.50
  5. 2026-09-06reviews4rating4.50
  6. 2026-09-07reviews4rating4.50
  7. 2026-09-09reviews4rating4.50
  8. 2026-09-13reviews4rating4.50
  9. 2026-09-15reviews4rating4.50
Users
+44 since 01.09
399-448 · 9 readings
  1. 2026-09-01404
  2. 2026-09-02411
  3. 2026-09-03416
  4. 2026-09-04400
  5. 2026-09-06399
  6. 2026-09-07412
  7. 2026-09-09413
  8. 2026-09-13442
  9. 2026-09-15448
Rating
unchanged since 01.09
reviewsrating 4.50 · 9 readings
  1. 2026-09-01reviews4rating4.50
  2. 2026-09-02reviews4rating4.50
  3. 2026-09-03reviews4rating4.50
  4. 2026-09-04reviews4rating4.50
  5. 2026-09-06reviews4rating4.50
  6. 2026-09-07reviews4rating4.50
  7. 2026-09-09reviews4rating4.50
  8. 2026-09-13reviews4rating4.50
  9. 2026-09-15reviews4rating4.50

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Schedule work to run later alarms
  • Tell whether you are away from the computer idle
  • Show you notifications notifications
Show the remaining 3
  • Run work in a hidden page offscreen
  • Store data in your browser storage
  • Declares windows

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

karel.test.special publishes 10 listings we track, 2k users between them.

  1. Google AI Studio - File Reader karel.test.special · Productivity · Tools · published 2025-08-08 841 users ★ 4.3
  2. NotebookLM Source Uploader karel.test.special · Productivity · Tools · published 2025-07-09 391 users ★ 5.0
  3. YouTube Playlist Collector karel.test.special · Productivity · Tools · published 2025-07-08 139 users ★ 5.0
Show 5 more from this publisher
  1. YouTube Rightclick Link Collector karel.test.special · Productivity · Tools · published 2025-07-02 96 users ★ 4.2
  2. Slim Window Video Viewer karel.test.special · Productivity · Tools · published 2025-09-07 83 users ★ 5.0
  3. Very Practical Clock & Notepad karel.test.special · Productivity · Workflow · published 2025-06-16 51 users ★ 5.0
  4. MD Reader karel.test.special · Productivity · Tools · published 2026-01-17 50 users ★ 5.0
  5. NewTab Startpage Organizer Dashboard karel.test.special · Productivity · Workflow · published 2025-08-25 27 users ★ 5.0

Like this one

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

  1. Battery Status Describes nearly the same job, with an established audience 10k users ★ 4.4
  2. Battery Check Describes nearly the same job, smaller audience 113 users ★ 3.0
  3. Battery Charging Change Notifier Describes nearly the same job, smaller audience 103 users ★ 5.0
  4. Battery Warning Describes nearly the same job, smaller audience 10 users
  5. Battery Monitor & Power Saver: Maximize Your Laptop's Battery Life Describes nearly the same job, smaller audience 329 users

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.

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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.