On-screen Ruler icon

On-screen Ruler

FeaturedEstablished publisherManifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

On-screen resizable, draggable, rotatable and customizable ruler - perfect for anyone who needs precise measurements at a glance.

Users
500
+107 in 30 days
Rating
3.4 / 5
unchanged in 30 days
Ratings
5
0 in 30 days
Store rank
#43K
#37K among extensions
Version
1.1.2
updated 24 Mar 2026

Users

monthly, 2 years
0250500Mar 2025Jan 2026Oct 2026
Latest, 16 Oct 2026: 500 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
025Mar 2025Jan 2026Oct 2026
Latest, 16 Oct 2026: 5 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About On-screen Ruler

Introducing our versatile and comprehensive on-screen ruler extension for Chrome – the ultimate tool for precision measurement right at your fingertips. Designed for professionals, designers, educators, and hobbyists alike, this extension allows you to quickly and easily measure elements on your screen with unparalleled accuracy. On-screen Features: * Accessible: Quickly display or hide the ruler with a simple keyboard shortcut (Ctrl + Q). To remove it, just simply focus on the ruler and press Delete on your keyboard. * Resizable: Effortlessly adjust the size of the ruler from the right bottom corner of it to suit your specific needs. Whether you’re measuring small details or larger sections of a webpage, our ruler adapts to the scale you require. * Draggable: Position the ruler anywhere on your screen with its drag-and-drop functionality. When unit-perfect measurement is required, you can focus on the ruler by clicking on it and move it simply by keyboard arrows. * Zoomable: Measurements remain accurate even when zooming in or out on the page. Anyway, from better UX perspective, we recommend to reset the screen zoom level (100%). Features Customized from Extension Settings: * Informative: Variety of measurement units (millimeters, centimeters, inches, pixels, points) and two-dimensional visualisation helps to define a Primary and Secondary units to compare measurements side by side. * Rotatable: Rotate it to any angle for non-trivial measurements, ensuring you have a flexible tool that works perfectly with any layout or design. * Customizable: Adjust colors, markings, and gridlines to match your workflow and enhance visibility. Important note: * On-place resizing is enabled only when rotation degree is 0 or 360. User-Friendly Interface: With an intuitive design and simple controls, this extension is perfect for quick measurements without interrupting your workflow. The clear display and interactive adjustments make it easy to obtain precise readings at a glance. Elevate your Chrome browsing experience and streamline your measuring tasks with our powerful and customizable on-screen ruler extension. Add to Chrome now and see how easy it is to add precision to your everyday tasks!

Growth

WindowUsersChangeRatingsRating
7 days+19+4.0%00.00
30 days+107+27.2%00.00
6 months+208+71.2%+1−0.60
1 year+293+141.5%+1−0.60

Version history

2 versions recorded
1.1.224 Mar 2026
1.1.113 Mar 2025

Details

Category
Tools
First seen
13 Mar 2025
Size
298 KB
Languages
en
Pricing
Free
Privacy policy
ruler-chrome-extension-privacy-policy.mnavasardian.com
Extension ID
mnkiojfbiobgookemgaggoojpcfcknmb

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
storage

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