
iruler.net
Online Ruler
Ruler.im
On-Screen Ruler
Online Ruler pro
Gnome ScreenRuler
Screen Ruler Professional
Free online ruler tool to measure anything on your screen with pixel-perfect accuracy. Calibrate with auto-detect, screen diagonal, or credit card. Supports cm, mm, inches, and pixels.

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Website, pricing, platforms and company facts side by side.
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| Website | onlineruler.in | cloudlinux.com |
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| Platforms | — | |
| Company | 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Online Ruler is a free, easy-to-use browser-based tool that lets you measure objects directly on your screen without installing any software. Whether you need to measure an object, check the dimensions of a design, or get a quick measurement in your daily work, Online Ruler provides a simple way...
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As answered by people managing OnlineRuler.in and CloudLinux.
OnlineRuler.in's answer
The primary audience includes students, designers, developers, teachers, and everyday users who need to measure objects or elements displayed on a screen. It is also useful for people who need quick measurements without downloading a separate application.
OnlineRuler.in's answer
Free Online Ruler lets users measure objects directly on their screens using a simple browser-based tool. It supports centimeters, millimeters, inches, and pixels, with calibration options to help users get accurate measurements for their screen.
OnlineRuler.in's answer
Free Online Ruler offers a simple way to measure on-screen objects without installing software. Users can access it directly from their browser, choose from multiple measurement units, and calibrate the ruler to suit their screen. It is convenient for quick measurements at no cost.
OnlineRuler.in's answer
Free Online Ruler was created to make on-screen measurements simple and accessible. Instead of installing a dedicated application or searching for a physical ruler, users can open the website and measure directly in their browser. The goal is to provide a practical, easy-to-use tool for everyday measuring needs.
OnlineRuler.in's answer
OnlineRuler.in's answer
Free Online Ruler is available for individual users, students, designers, developers, and anyone who needs quick on-screen measurements. We do not currently have publicly identified major business customers.
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Online ruler in actual size - cm & inches.
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Free and accurate online ruler to measure real objects on your screen in inches, cm, and mm. Calibrate easily for actual physical size to scale.
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Measure anything in actual size with our on-screen ruler. Multiple ruler types for shoe, bra, ring, image & 3D model sizes at home. No physical ruler needed.
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lightweight, free, semi-transparent ruler
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Welcome to our Online Ruler and Protractor tool, the perfect solution for all your measurement needs directly from your web browser.
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ScreenRuler lets you measure objects on your Ubuntu desktop using six different metrics.
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