Screen Resolution Checker

Real-time screen and viewport detection

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About Screen Resolution Checker

Instantly detect your screen resolution, viewport dimensions, available screen size, device pixel ratio, color depth, aspect ratio, and orientation. Auto-updates when you resize the window. Identifies Retina/HiDPI displays. Useful for responsive design testing.

Screen Resolution Checker Features

  • Real-time detection
  • Viewport & screen sizes
  • Retina/HiDPI detection
  • Auto-update on resize

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