What can I do with Screen Ruler?

Measure on-screen distances in pixels. Screen Ruler is part of the Utilities shelf on utils.sbs and is designed for quick, one-off tasks.

Is Screen Ruler free to use?

Yes. Screen Ruler is free, requires no account, and has no per-file or per-use charge.

Are my files uploaded when I use Screen Ruler?

No. Screen Ruler is designed to process your input locally in the browser. Files are not uploaded to a server for processing.

What formats does Screen Ruler support?

It uses the browser APIs available for that task and returns the result directly in the page.

Can I use Screen Ruler on my phone?

Yes. Screen Ruler is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

Utilities tool

Screen Ruler

Measure on-screen distances in pixels.

Runs on-deviceNo sign-upFree

All utilities tools

Workspace

Screen Ruler

Runs locally

Drag the handle to measure

420px · 11.1cm · 4.38in

0420

420

pixels

CSS pixels assume 96 PPI and vary by display scaling. For physical print measurements, calibrate against a known object on screen.

The guide

By the utils.sbs team · Reviewed November 2026 · How we build and review tools

Quick answer

Screen Ruler is a free browser-based utilities tool. Measure on-screen distances in pixels. It runs with browser APIs locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.

What is Screen Ruler?

Screen Ruler is a free browser-based utilities tool from utils.sbs. Measure on-screen distances in pixels. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.

At a glance

Category	Utilities
Input	Depends on the tool; usually browser input or a file
Output	A result shown in the page or downloaded as a file
Engine	browser APIs
Processing	In your browser
Price	Free
Account	Not required

How Screen Ruler works

This utility runs entirely in your browser and does not depend on a backend service for its result.

How to use Screen Ruler

1Open Screen Ruler and add your input.
2Use the default settings, or choose the format or detail level that matches your goal.
3Run the tool, check the preview or result, and download the output.

When to use Screen Ruler

Handle a quick browser or system task without installing an app.
Inspect or test something directly in the current tab.
Get a focused utility result without a sign-up flow.

Limitations

Capabilities depend on the browser APIs available on the current device.

Privacy and accuracy

Screen Ruler processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.

FAQ

Screen Ruler questions

What can I do with Screen Ruler?
Measure on-screen distances in pixels. Screen Ruler is part of the Utilities shelf on utils.sbs and is designed for quick, one-off tasks.
Is Screen Ruler free to use?
Yes. Screen Ruler is free, requires no account, and has no per-file or per-use charge.
Are my files uploaded when I use Screen Ruler?
No. Screen Ruler is designed to process your input locally in the browser. Files are not uploaded to a server for processing.
What formats does Screen Ruler support?
It uses the browser APIs available for that task and returns the result directly in the page.
Can I use Screen Ruler on my phone?
Yes. Screen Ruler is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

Keep going

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