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Page Ruler Pro - Developers Tool

Chrome extension by Webmaster · Productivity · Developer

A Chrome extension in Productivity · Developer with 21 users, barely installed. Audience over the last 30 days: +4.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 3 screenshots

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

Users
21
Rating
not rated yet
Users, last 30 days
+4
Version
1.0.0
Updated in the store
2026-03-09
Published
2026-03-09
Manifest
V3
Browser access
4 permissions, 1 site pattern

How it has moved

Users
+4 since 02.10
17-25 · 15 readings
  1. 2026-10-0519
  2. 2026-10-0922
  3. 2026-10-1020
  4. 2026-10-1118
  5. 2026-10-1319
  6. 2026-10-1621
  7. 2026-10-1823
  8. 2026-10-2225
  9. 2026-10-2421
  10. 2026-10-2519
  11. 2026-10-2621
  12. 2026-10-2823
  13. 2026-10-2921
  14. 2026-10-3022
  15. 2026-11-0121
Users
+11 since 01.09
8-25 · 27 readings
  1. 2026-09-0110
  2. 2026-09-059
  3. 2026-09-078
  4. 2026-09-0810
  5. 2026-09-109
  6. 2026-09-1310
  7. 2026-09-1511
  8. 2026-09-2113
  9. 2026-09-2212
  10. 2026-09-2517
  11. 2026-09-2618
  12. 2026-09-2817
  13. 2026-10-0519
  14. 2026-10-0922
  15. 2026-10-1020
  16. 2026-10-1118
  17. 2026-10-1319
  18. 2026-10-1621
  19. 2026-10-1823
  20. 2026-10-2225
  21. 2026-10-2421
  22. 2026-10-2519
  23. 2026-10-2621
  24. 2026-10-2823
  25. 2026-10-2921
  26. 2026-10-3022
  27. 2026-11-0121

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

Every site you visit. This extension can read and change the content of any page you open.

  • Manage your downloads downloads
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 1
  • 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

Webmaster publishes 8 listings we track, 586 users between them.

  1. Teleprompter Pro Webmaster · Productivity · Communication · published 2026-02-09 510 users
  2. JSON Beautifier Pro Webmaster · Productivity · Developer · published 2026-01-02 19 users
  3. AeroAlert - Air Quality Monitor Webmaster · Lifestyle · News · published 2026-04-15 14 users
Show 4 more from this publisher
  1. Remo - Reminder Extension Webmaster · Lifestyle · Well Being · published 2025-09-23 7 users
  2. Zenith Webmaster · Productivity · Workflow · published 2026-03-18 6 users
  3. Currency Exchanger Webmaster · Productivity · Tools · published 2025-12-29 5 users
  4. ProText Counter & Compare Webmaster · Productivity · Tools · published 2026-01-02 4 users (last published figure)

Like this one

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

  1. Screen Ruler - Pixel Ruler with History Describes nearly the same job, smaller audience 19 users
  2. Page Measure – Pixel Ruler, Spacing & Color Picker Describes nearly the same job, smaller audience 9 users
  3. ScreenRuler Describes nearly the same job, smaller audience 109 users
  4. Browser Ruler Describes nearly the same job, smaller audience 98 users
  5. Pixel Ruler Studio – Web Page Ruler Describes nearly the same job, smaller audience 3 users (last published figure)

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

HTML

<a href="https://extops.dev/extensions/aphcahkdlbggnogkakonobiilapldllo"><img src="https://extops.dev/extensions/aphcahkdlbggnogkakonobiilapldllo/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