Is my screen data safe?

All data stays in your browser. Nothing is uploaded to any server.

Which browsers are supported?

Works on all modern browsers including Chrome, Firefox, Safari, and Edge.

Can I use it offline?

Yes, after the page loads it works offline without any network connection.

Screen Resolution Test

Home › Tools › Screen Resolution Test

Free online screen resolution testing tool. Real-time detection of your screen resolution, pixel ratio, color depth, and window size. No installation required.

Real-Time Detection · Works Offline

📐 Screen Parameters

Real-time detection of your screen and browser window parameters. | No registration · Data stays private

Screen Resolution

Physical px

Available Resolution

Minus taskbar

Window Size

Browser viewport

Device Pixel Ratio

DPR/Retina

Color Depth

bit

Pixel Depth

bit

Orientation

Aspect Ratio

📊 Resolution Comparison

Bar chart comparing screen resolution, available resolution, and viewport width.

🎨 Color Test

Test your screen color display capabilities. Click a color block to view it fullscreen.

🖥 Viewport

Current browser viewport size.

Width × Height (CSS px)

❓ FAQ

Is Screen Resolution Test free?

Yes, completely free to use, no signup required.

Is My Data Safe?

All computation happens on your device — Screen Resolution Test, other values and other inputs stay in your browser. No data is uploaded to any server.

Why might results differ from actual resolution?

Browsers are affected by system scaling. DPR > 1 means scaling is enabled (e.g., Retina = 2).