Screen Size Checker

What is Screen Size Checker?

Screen Size Checker is a handy online tool that instantly shows your browser’s viewport size, screen resolution, and device details like your operating system, browser version, pixel ratio, color depth, and more. It helps you test responsive designs, debug display issues, and make sure your site looks great on every device – no setup required.

Key features

• Instantly displays browser viewport width and height dimensions.
• Shows screen resolution and device pixel ratio details.
• Reveals aspect ratio and color depth for displays.
• Provides operating system and browser version information.
• Displays advanced details like cookie and touch support status.
• Includes tools for aspect ratio and PPI calculations.