Screen Size Tools

Instantly check your screen resolution, viewport size, device pixel ratio, and estimated physical dimensions.

Quickly view detailed information about your screen and browser display with Screen Size Tools. Open the extension from your toolbar to instantly check: • Screen resolution • Browser viewport size • Device pixel ratio • Physical pixel dimensions • Aspect ratio • Color depth • Screen orientation • Available display area • Estimated screen size and pixel density (PPI) Use Copy Stats to copy all your display information in one click—perfect for developers, designers, testers, technical support, and anyone troubleshooting display or responsive-layout issues. Screen Size Tools is fast, lightweight, and easy to use. No manual measurements or complicated settings required. Visit whatismyscreensize.com for additional screen-size tools and device information.