Free online screen resolution checker. Real-time display of screen size, resolution, pixel ratio, and viewport dimensions. Perfect for frontend developers and designers. No signup required.
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About Screen Resolution Checker
Free online screen resolution checker. Real-time display of screen size, resolution, pixel ratio, and viewport dimensions. Perfect for frontend developers and designers. No signup required.
FAQ
What is device pixel ratio?
DPR is the ratio of physical pixels to CSS pixels. Retina screens typically have DPR=2, some high-end phones reach 3.
What's the difference between resolution and viewport?
Screen resolution is physical pixels (e.g., 1920Γ1080), viewport is the browser's visible area (minus taskbars, bookmarks), usually smaller.
Why check this info?
Frontend developers need screen parameters for responsive design; designers need target user device characteristics; monitor buyers reference it.