Ext Ops Panel
Open dashboard

Measure Pixels on Screen

Chrome extension by TheToolsDev · Productivity · Tools

A Chrome extension in Productivity · Tools with 16 users, barely installed. Audience over the last 30 days: +3.

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
16
Rating
not rated yet
Users, last 30 days
+3
Version
2.0
Updated in the store
2026-07-19
Published
2026-07-08
Manifest
V3
Browser access
3 permissions

How it has moved

Users
+3 since 01.10
13-18 · 10 readings
  1. 2026-10-0417
  2. 2026-10-0918
  3. 2026-10-1016
  4. 2026-10-1816
  5. 2026-10-2214
  6. 2026-10-2315
  7. 2026-10-2414
  8. 2026-10-2715
  9. 2026-10-2916
  10. 2026-10-3016
Users
+2 since 01.09
11-18 · 20 readings
  1. 2026-09-0114
  2. 2026-09-0215
  3. 2026-09-0811
  4. 2026-09-0912
  5. 2026-09-1011
  6. 2026-09-1512
  7. 2026-09-1711
  8. 2026-09-2015
  9. 2026-09-2214
  10. 2026-09-2813
  11. 2026-10-0417
  12. 2026-10-0918
  13. 2026-10-1016
  14. 2026-10-1816
  15. 2026-10-2214
  16. 2026-10-2315
  17. 2026-10-2414
  18. 2026-10-2715
  19. 2026-10-2916
  20. 2026-10-3016

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.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Store data in your browser storage

The full permission history for this extension

What changed recently

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

The publisher

TheToolsDev publishes 9 listings we track, 15k users between them.

  1. Behance Image Downloader TheToolsDev · Productivity · Tools · published 2025-07-12 10k users ★ 3.6
  2. Google Calendar Background TheToolsDev · Productivity · Tools · published 2026-05-07 2k users ★ 5.0
  3. Bookmarks clean up TheToolsDev · Productivity · Tools · published 2026-07-02 1k users ★ 5.0
Show 5 more from this publisher
  1. Disable auto play videos TheToolsDev · Productivity · Tools · published 2026-05-05 594 users ★ 2.8
  2. Export Spotify Playlist TheToolsDev · Productivity · Tools · published 2026-06-13 439 users ★ 3.0
  3. HTML Inserter for Gmail TheToolsDev · Productivity · Tools · published 2026-06-24 319 users
  4. Hotkeys TheToolsDev · Make Chrome Yours · Functionality · published 2026-04-27 249 users
  5. Export Smartsheet Form as PDF TheToolsDev · Productivity · Tools · published 2026-06-09 10 users

Like this one

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

  1. Pixel Size Measurer Describes nearly the same job, smaller audience 144 users
  2. OpenRuler Describes nearly the same job, smaller audience 5 users
  3. Pixel measurement Describes nearly the same job, with a large installed audience 100k users ★ 4.4
  4. Page Ruler Describes nearly the same job, with a large installed audience 500k users ★ 3.9
  5. Page Ruler Pro Describes nearly the same job, smaller audience 26 users ★ 5.0

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.

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/ogffllcgknnajpidphgmgbegebejkhin/badge.svg)](https://extops.dev/extensions/ogffllcgknnajpidphgmgbegebejkhin)

HTML

<a href="https://extops.dev/extensions/ogffllcgknnajpidphgmgbegebejkhin"><img src="https://extops.dev/extensions/ogffllcgknnajpidphgmgbegebejkhin/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 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built