Ext Ops Panel
Open the app

Page Ruler – CSS Inspector & Grid Overlay

Chrome extension by https://sudarshanrai.com.np · Productivity · Developer

  • Featured
  • Established publisher

A Chrome extension in Productivity · Developer with 10 000 users, an established extension.

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

What the developer says, and 5 screenshots

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

Users
10 000
Rating
3.3 (25 ratings)
Users, last 14 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
5
Updated in the store
2026-07-14
Published
2023-01-03
Manifest
V3
Browser access
3 permissions, 1 site pattern

How it has moved

Users
unchanged since 01.09
10k · 2 readings
  1. 2026-09-0110k
  2. 2026-09-1410k
Rating
unchanged since 01.09
reviewsrating 3.32 · 2 readings
  1. 2026-09-01reviews25rating3.32
  2. 2026-09-14reviews25rating3.32
Users
unchanged since 01.09
10k · 2 readings
  1. 2026-09-0110k
  2. 2026-09-1410k
Rating
unchanged since 01.09
reviewsrating 3.32 · 2 readings
  1. 2026-09-01reviews25rating3.32
  2. 2026-09-14reviews25rating3.32

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

  • 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

https://sudarshanrai.com.np publishes 3 listings we track, 18k users between them.

  1. Weather extension https://sudarshanrai.com.np · Lifestyle · News · published 2020-09-07 8k users ★ 4.3
  2. Vision Guard – Dark Mode, Night Mode & Blue Light Filter https://sudarshanrai.com.np · Make Chrome Yours · Functionality · published 2026-03-15 12 users

Like this one

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

  1. DevPora Grid Describes nearly the same job, smaller audience 11 users
  2. Ruler: Measure & Align Describes nearly the same job, smaller audience 20 users ★ 5.0
  3. LayoutLab–Master Your Webpage Layouts Describes nearly the same job, smaller audience 3 users
  4. Outer Box Ruler Describes nearly the same job, smaller audience 3 users (last published figure)
  5. PixelGrid Pro Describes nearly the same job, smaller audience 3 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.

Is this your extension?

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

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.