Screen Resolution Checker
Instantly view your screen's resolution, viewport size, device pixel ratio, and other display information. Useful for responsive web design and debugging.
What Each Value Means
- Screen Resolution: The total number of CSS pixels available on your screen.
- Viewport Size: The visible area of the web page in the browser window.
- Device Pixel Ratio (DPR): The ratio of physical pixels to CSS pixels. A DPR of 2 means the screen has twice the pixel density (Retina/HiDPI).
- Physical Pixels: The actual hardware pixel count (Screen Resolution × DPR).
- Color Depth: The number of bits used per pixel for color.
- Available Screen: Screen area excluding OS UI elements like the taskbar.
Frequently Asked Questions
Why does the viewport change when I resize the browser?
The viewport reflects the actual browser content area. It updates automatically as you resize the window.