Ext Ops Panel
Open dashboard

TestMyThumbnails

Chrome extension by TmTLabs · Productivity · Tools

  • Established publisher

A Chrome extension in Productivity · Tools with 154 users, barely installed. Audience over the last 30 days: +3.

Specific sites only: 2 match patterns.

What the developer says, and 2 screenshots

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

Users
154
Rating
5.0 (1 ratings)
Users, last 30 days
+3
Rating, last 30 days
Steady over 30 days
Version
1.07
Updated in the store
2024-09-18
Published
2024-05-27
Manifest
V3
Browser access
7 permissions, 2 site patterns

How it has moved

Users
+3 since 03.10
151-165 · 18 readings
  1. 2026-10-04165
  2. 2026-10-08163
  3. 2026-10-09161
  4. 2026-10-11157
  5. 2026-10-13161
  6. 2026-10-16158
  7. 2026-10-18156
  8. 2026-10-19157
  9. 2026-10-20158
  10. 2026-10-21164
  11. 2026-10-23162
  12. 2026-10-25160
  13. 2026-10-26161
  14. 2026-10-28157
  15. 2026-10-29159
  16. 2026-10-30162
  17. 2026-11-01160
  18. 2026-11-02154
Rating
unchanged since 03.10
reviewsrating 5.00 · 18 readings
  1. 2026-10-04reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-11reviews1rating5.00
  5. 2026-10-13reviews1rating5.00
  6. 2026-10-16reviews1rating5.00
  7. 2026-10-18reviews1rating5.00
  8. 2026-10-19reviews1rating5.00
  9. 2026-10-20reviews1rating5.00
  10. 2026-10-21reviews1rating5.00
  11. 2026-10-23reviews1rating5.00
  12. 2026-10-25reviews1rating5.00
  13. 2026-10-26reviews1rating5.00
  14. 2026-10-28reviews1rating5.00
  15. 2026-10-29reviews1rating5.00
  16. 2026-10-30reviews1rating5.00
  17. 2026-11-01reviews1rating5.00
  18. 2026-11-02reviews1rating5.00
Users
-5 since 31.08
147-165 · 33 readings
  1. 2026-08-31159
  2. 2026-09-03158
  3. 2026-09-05156
  4. 2026-09-06152
  5. 2026-09-07155
  6. 2026-09-08153
  7. 2026-09-09151
  8. 2026-09-13157
  9. 2026-09-15163
  10. 2026-09-16165
  11. 2026-09-20163
  12. 2026-09-21165
  13. 2026-09-25157
  14. 2026-09-26147
  15. 2026-09-28151
  16. 2026-10-04165
  17. 2026-10-08163
  18. 2026-10-09161
  19. 2026-10-11157
  20. 2026-10-13161
  21. 2026-10-16158
  22. 2026-10-18156
  23. 2026-10-19157
  24. 2026-10-20158
  25. 2026-10-21164
  26. 2026-10-23162
  27. 2026-10-25160
  28. 2026-10-26161
  29. 2026-10-28157
  30. 2026-10-29159
  31. 2026-10-30162
  32. 2026-11-01160
  33. 2026-11-02154
Rating
unchanged since 31.08
reviewsrating 5.00 · 33 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-03reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-09reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-15reviews1rating5.00
  10. 2026-09-16reviews1rating5.00
  11. 2026-09-20reviews1rating5.00
  12. 2026-09-21reviews1rating5.00
  13. 2026-09-25reviews1rating5.00
  14. 2026-09-26reviews1rating5.00
  15. 2026-09-28reviews1rating5.00
  16. 2026-10-04reviews1rating5.00
  17. 2026-10-08reviews1rating5.00
  18. 2026-10-09reviews1rating5.00
  19. 2026-10-11reviews1rating5.00
  20. 2026-10-13reviews1rating5.00
  21. 2026-10-16reviews1rating5.00
  22. 2026-10-18reviews1rating5.00
  23. 2026-10-19reviews1rating5.00
  24. 2026-10-20reviews1rating5.00
  25. 2026-10-21reviews1rating5.00
  26. 2026-10-23reviews1rating5.00
  27. 2026-10-25reviews1rating5.00
  28. 2026-10-26reviews1rating5.00
  29. 2026-10-28reviews1rating5.00
  30. 2026-10-29reviews1rating5.00
  31. 2026-10-30reviews1rating5.00
  32. 2026-11-01reviews1rating5.00
  33. 2026-11-02reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing 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

Specific sites only: 2 match patterns.

  • http://*/
  • https://*/
  • Read and change cookies on the sites it can access cookies
  • See the address and title of every tab you have open tabs
  • Watch the network requests your browser makes webRequest
Show the remaining 4

The full permission history for this extension

What changed recently

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

The publisher

TmTLabs publishes 2 listings we track, 277 users between them. Listed website: testmythumbnails.com.

  1. Imagely: Image Analyser & Tester TmTLabs · Productivity · Tools · published 2023-10-25 123 users ★ 5.0

Like this one

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

  1. VideoCore Lens: YouTube Analytics, Outlier & Thumbnail Tools Describes nearly the same job, smaller audience 23 users
  2. Consigliere CTR Exporter (YouTube Studio) Describes nearly the same job, smaller audience 11 users
  3. TubeOutlier: YouTube Viral & Thumbnail Spy Describes nearly the same job, smaller audience 1 users (last published figure)
  4. AlgoScope: YouTube Viral Video Finder Describes nearly the same job, smaller audience 24 users ★ 5.0
  5. ToobKit Extension Describes nearly the same job, smaller audience 7 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/cpcpcbeimfmfdmgljnoncnnmjojkdgbi/badge.svg)](https://extops.dev/extensions/cpcpcbeimfmfdmgljnoncnnmjojkdgbi)

HTML

<a href="https://extops.dev/extensions/cpcpcbeimfmfdmgljnoncnnmjojkdgbi"><img src="https://extops.dev/extensions/cpcpcbeimfmfdmgljnoncnnmjojkdgbi/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 2026-11-02. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built