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

A Chrome extension in Productivity · Tools with 1 000 users, a small but real audience. Audience over the last 30 days: +485.

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
1 000
Rating
4.5 (4 ratings)
Users, last 30 days
+485 (the store rounds this count to 1 000, so it moves only between steps)
Rating, last 30 days
Steady over 30 days
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
+485 since 01.10
505-1k · 19 readings
  1. 2026-10-04505
  2. 2026-10-08528
  3. 2026-10-09526
  4. 2026-10-10527
  5. 2026-10-13544
  6. 2026-10-16560
  7. 2026-10-17565
  8. 2026-10-18568
  9. 2026-10-19560
  10. 2026-10-20559
  11. 2026-10-21554
  12. 2026-10-22548
  13. 2026-10-23550
  14. 2026-10-24559
  15. 2026-10-26565
  16. 2026-10-28579
  17. 2026-10-29575
  18. 2026-10-301k
  19. 2026-10-311k
Rating
unchanged since 01.10
reviewsrating 4.50 · 19 readings
  1. 2026-10-04reviews4rating4.50
  2. 2026-10-08reviews4rating4.50
  3. 2026-10-09reviews4rating4.50
  4. 2026-10-10reviews4rating4.50
  5. 2026-10-13reviews4rating4.50
  6. 2026-10-16reviews4rating4.50
  7. 2026-10-17reviews4rating4.50
  8. 2026-10-18reviews4rating4.50
  9. 2026-10-19reviews4rating4.50
  10. 2026-10-20reviews4rating4.50
  11. 2026-10-21reviews4rating4.50
  12. 2026-10-22reviews4rating4.50
  13. 2026-10-23reviews4rating4.50
  14. 2026-10-24reviews4rating4.50
  15. 2026-10-26reviews4rating4.50
  16. 2026-10-28reviews4rating4.50
  17. 2026-10-29reviews4rating4.50
  18. 2026-10-30reviews4rating4.50
  19. 2026-10-31reviews4rating4.50
Users
+596 since 01.09
399-1k · 34 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
  10. 2026-09-17460
  11. 2026-09-20466
  12. 2026-09-21467
  13. 2026-09-25500
  14. 2026-09-27508
  15. 2026-09-28515
  16. 2026-10-04505
  17. 2026-10-08528
  18. 2026-10-09526
  19. 2026-10-10527
  20. 2026-10-13544
  21. 2026-10-16560
  22. 2026-10-17565
  23. 2026-10-18568
  24. 2026-10-19560
  25. 2026-10-20559
  26. 2026-10-21554
  27. 2026-10-22548
  28. 2026-10-23550
  29. 2026-10-24559
  30. 2026-10-26565
  31. 2026-10-28579
  32. 2026-10-29575
  33. 2026-10-301k
  34. 2026-10-311k
Rating
unchanged since 01.09
reviewsrating 4.50 · 34 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
  10. 2026-09-17reviews4rating4.50
  11. 2026-09-20reviews4rating4.50
  12. 2026-09-21reviews4rating4.50
  13. 2026-09-25reviews4rating4.50
  14. 2026-09-27reviews4rating4.50
  15. 2026-09-28reviews4rating4.50
  16. 2026-10-04reviews4rating4.50
  17. 2026-10-08reviews4rating4.50
  18. 2026-10-09reviews4rating4.50
  19. 2026-10-10reviews4rating4.50
  20. 2026-10-13reviews4rating4.50
  21. 2026-10-16reviews4rating4.50
  22. 2026-10-17reviews4rating4.50
  23. 2026-10-18reviews4rating4.50
  24. 2026-10-19reviews4rating4.50
  25. 2026-10-20reviews4rating4.50
  26. 2026-10-21reviews4rating4.50
  27. 2026-10-22reviews4rating4.50
  28. 2026-10-23reviews4rating4.50
  29. 2026-10-24reviews4rating4.50
  30. 2026-10-26reviews4rating4.50
  31. 2026-10-28reviews4rating4.50
  32. 2026-10-29reviews4rating4.50
  33. 2026-10-30reviews4rating4.50
  34. 2026-10-31reviews4rating4.50

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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, 3k users between them.

  1. Google AI Studio - File Reader karel.test.special · Productivity · Tools · published 2025-08-08 870 users ★ 4.4
  2. NotebookLM Source Uploader karel.test.special · Productivity · Tools · published 2025-07-09 403 users ★ 5.0
  3. YouTube Playlist Collector karel.test.special · Productivity · Tools · published 2025-07-08 131 users ★ 5.0
Show 5 more from this publisher
  1. YouTube Rightclick Link Collector karel.test.special · Productivity · Tools · published 2025-07-02 101 users ★ 4.2
  2. Slim Window Video Viewer karel.test.special · Productivity · Tools · published 2025-09-07 91 users ★ 5.0
  3. Very Practical Clock & Notepad karel.test.special · Productivity · Workflow · published 2025-06-16 60 users ★ 5.0
  4. MD Reader karel.test.special · Productivity · Tools · published 2026-01-17 52 users ★ 5.0
  5. NewTab Startpage Organizer Dashboard karel.test.special · Productivity · Workflow · published 2025-08-25 24 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 110 users ★ 3.0
  3. Battery Charging Change Notifier Describes nearly the same job, smaller audience 108 users ★ 5.0
  4. Battery Warning Describes nearly the same job, smaller audience 5 users
  5. Battery Monitor & Power Saver: Maximize Your Laptop's Battery Life Describes nearly the same job, smaller audience 341 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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Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built