Ext Ops Panel
Open dashboard

Online Stopwatch

Chrome Web Store listing by Clock Apps · Productivity · Developer

A Chrome extension in Productivity · Developer with 283 users, barely installed. Audience over the last 30 days: -22.

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

What the developer says, and 1 screenshot

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

Users
283
Rating
1.3 (3 ratings)
Users, last 30 days
-22
Rating, last 30 days
Steady over 30 days
Version
1.2
Updated in the store
2015-03-13
Published
2015-03-04
Manifest
V2
Browser access
3 permissions

How it has moved

Users
-22 since 02.10
281-310 · 20 readings
  1. 2026-10-04295
  2. 2026-10-08310
  3. 2026-10-09305
  4. 2026-10-10300
  5. 2026-10-11299
  6. 2026-10-16303
  7. 2026-10-17301
  8. 2026-10-18303
  9. 2026-10-19302
  10. 2026-10-20306
  11. 2026-10-21303
  12. 2026-10-22304
  13. 2026-10-23297
  14. 2026-10-24292
  15. 2026-10-25285
  16. 2026-10-26281
  17. 2026-10-28287
  18. 2026-10-29286
  19. 2026-10-30288
  20. 2026-11-01283
Rating
unchanged since 02.10
reviewsrating 1.33 · 20 readings
  1. 2026-10-04reviews3rating1.33
  2. 2026-10-08reviews3rating1.33
  3. 2026-10-09reviews3rating1.33
  4. 2026-10-10reviews3rating1.33
  5. 2026-10-11reviews3rating1.33
  6. 2026-10-16reviews3rating1.33
  7. 2026-10-17reviews3rating1.33
  8. 2026-10-18reviews3rating1.33
  9. 2026-10-19reviews3rating1.33
  10. 2026-10-20reviews3rating1.33
  11. 2026-10-21reviews3rating1.33
  12. 2026-10-22reviews3rating1.33
  13. 2026-10-23reviews3rating1.33
  14. 2026-10-24reviews3rating1.33
  15. 2026-10-25reviews3rating1.33
  16. 2026-10-26reviews3rating1.33
  17. 2026-10-28reviews3rating1.33
  18. 2026-10-29reviews3rating1.33
  19. 2026-10-30reviews3rating1.33
  20. 2026-11-01reviews3rating1.33
Users
+4 since 01.09
276-311 · 35 readings
  1. 2026-09-01279
  2. 2026-09-02280
  3. 2026-09-03276
  4. 2026-09-04290
  5. 2026-09-06296
  6. 2026-09-07300
  7. 2026-09-08304
  8. 2026-09-10311
  9. 2026-09-13303
  10. 2026-09-17302
  11. 2026-09-21310
  12. 2026-09-22305
  13. 2026-09-25311
  14. 2026-09-27303
  15. 2026-09-28305
  16. 2026-10-04295
  17. 2026-10-08310
  18. 2026-10-09305
  19. 2026-10-10300
  20. 2026-10-11299
  21. 2026-10-16303
  22. 2026-10-17301
  23. 2026-10-18303
  24. 2026-10-19302
  25. 2026-10-20306
  26. 2026-10-21303
  27. 2026-10-22304
  28. 2026-10-23297
  29. 2026-10-24292
  30. 2026-10-25285
  31. 2026-10-26281
  32. 2026-10-28287
  33. 2026-10-29286
  34. 2026-10-30288
  35. 2026-11-01283
Rating
unchanged since 01.09
reviewsrating 1.33 · 35 readings
  1. 2026-09-01reviews3rating1.33
  2. 2026-09-02reviews3rating1.33
  3. 2026-09-03reviews3rating1.33
  4. 2026-09-04reviews3rating1.33
  5. 2026-09-06reviews3rating1.33
  6. 2026-09-07reviews3rating1.33
  7. 2026-09-08reviews3rating1.33
  8. 2026-09-10reviews3rating1.33
  9. 2026-09-13reviews3rating1.33
  10. 2026-09-17reviews3rating1.33
  11. 2026-09-21reviews3rating1.33
  12. 2026-09-22reviews3rating1.33
  13. 2026-09-25reviews3rating1.33
  14. 2026-09-27reviews3rating1.33
  15. 2026-09-28reviews3rating1.33
  16. 2026-10-04reviews3rating1.33
  17. 2026-10-08reviews3rating1.33
  18. 2026-10-09reviews3rating1.33
  19. 2026-10-10reviews3rating1.33
  20. 2026-10-11reviews3rating1.33
  21. 2026-10-16reviews3rating1.33
  22. 2026-10-17reviews3rating1.33
  23. 2026-10-18reviews3rating1.33
  24. 2026-10-19reviews3rating1.33
  25. 2026-10-20reviews3rating1.33
  26. 2026-10-21reviews3rating1.33
  27. 2026-10-22reviews3rating1.33
  28. 2026-10-23reviews3rating1.33
  29. 2026-10-24reviews3rating1.33
  30. 2026-10-25reviews3rating1.33
  31. 2026-10-26reviews3rating1.33
  32. 2026-10-28reviews3rating1.33
  33. 2026-10-29reviews3rating1.33
  34. 2026-10-30reviews3rating1.33
  35. 2026-11-01reviews3rating1.33

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.

The full permission history for this extension

What changed recently

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

The publisher

Clock Apps publishes 5 listings we track, 10k users between them.

  1. Online Timer Clock Apps · Productivity · Developer · published 2015-02-17 5k users ★ 2.5
  2. Online Alarm Clock Clock Apps · Productivity · Developer · published 2015-03-03 3k users ★ 2.2
  3. Online Countdown Clock Apps · Productivity · Developer · published 2015-03-04 1k users ★ 1.0
Show 1 more from this publisher
  1. Online Clock Clock Apps · Productivity · Developer · published 2015-02-05 1k users ★ 3.4

Like this one

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

  1. Online Stopwatch Describes nearly the same job, smaller audience 10 users ★ 5.0
  2. Stopwatch app Describes nearly the same job, smaller audience 5k users ★ 4.9
  3. Simple Stopwatch Describes nearly the same job, smaller audience 292 users ★ 2.5
  4. Stopwatch Describes nearly the same job, smaller audience 2k users ★ 4.0
  5. Multi Stopwatch Describes nearly the same job, smaller audience 55 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.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

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

Connect it in a minute See what the panel does
Add a badge to your README or site

The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/cjnjhecplenkojacccgogepfcefljjne/badge.svg)](https://extops.dev/extensions/cjnjhecplenkojacccgogepfcefljjne)

HTML

<a href="https://extops.dev/extensions/cjnjhecplenkojacccgogepfcefljjne"><img src="https://extops.dev/extensions/cjnjhecplenkojacccgogepfcefljjne/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built