Tools / Screen Resolution Tester

Screen Resolution Tester

Check your screen resolution, viewport size, device pixel ratio, orientation, and test responsive layouts at any device size. Runs 100% in your browser.

Live Auto-updates as you resize — nothing leaves your browser
Current Viewport
0×0 px
Portrait
Screen
Resolution —
Available —
Color Depth —
Pixel Depth —
Viewport
Inner Width × Height —
Outer Width × Height —
Document Size —
Scrollbars —
Display
Device Pixel Ratio —
Physical Resolution —
Orientation —
Zoom Level —
Device
Touch Support —
Max Touch Points —
Pointer Type —
Detected Class —
Tailwind Breakpoints
Runs 100% in your browser. No permissions, no uploads, no tracking.
Tip: Resize this browser window and the values update live.

What is the Screen Resolution Tester?

Check your screen resolution, viewport size, device pixel ratio, orientation, and test responsive layouts at any device size. Runs 100% in your browser.

It runs 100% in your browser — your files never leave your device, no signup is required, and there are no usage limits or watermarks.

How to Use the Screen Resolution Tester

  1. Paste, drop, or type your input into the tool above.
  2. Adjust the options to match what you need.
  3. Preview the result before copying or downloading.
  4. Everything is generated on your device — nothing is uploaded.

Why Use Our Screen Resolution Tester?

  • 100% private — files never leave your device.
  • No signup, no email, no limits — completely free.
  • Works on any device — desktop, tablet, mobile.
  • No watermarks, no hidden fees.

Frequently Asked Questions

Is the Screen Resolution Tester free?

Yes — completely free with no signup, no email, and no usage limits.

Are my files uploaded to a server?

No. Everything runs in your browser using JavaScript. Your files never leave your device.

Do I need to install anything?

No — just open this page in any modern browser (Chrome, Firefox, Safari, Edge).

Does the Screen Resolution Tester work on mobile?

Yes, on iOS and Android browsers. Very large files are best handled on desktop.

Is there a file size limit?

No hard limits. Files under 100 MB work well on most devices.

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