Screen Resolution Checker

Instantly detect your screen resolution, viewport size, device pixel ratio, and color depth. No plugins required.

Understanding Screen Metrics

Screen resolution and viewport dimensions are important for web design, game development, and responsive design debugging.

Key Terms

  • Screen Resolution: The total pixel count of your physical display.
  • Viewport Size: The visible area inside the browser window (changes with browser UI/zoom).
  • Device Pixel Ratio (DPR): The ratio of physical to CSS pixels. Retina displays have DPR of 2 or higher.
  • Color Depth: The number of bits used to represent the color of a single pixel. 24-bit = 16.7 million colors.

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