Developer Tools
Screen Resolution Checker
Check CSS viewport size, DPR, and physical screen resolution
Viewport (CSS Size)
800 x 600 px
Current size of your browser window layout.
Screen Resolution
800 x 600 px
Logical dimensions reported by your operating system.
Physical Resolution
800 x 600 px
Real hardware pixels (Logical * Device Pixel Ratio).
Screen Parameters
Device Pixel Ratio (DPR): 1
Color Depth: 24-bit
Screen Orientation: portrait-primary
About Screen Resolution Checker
Inspect viewport dimensions, physical screen resolution, device pixel ratio (DPR), color depth, and screen orientation in real-time.
Essential for web designers testing CSS responsive media queries and debugging device scaling issues.
How to Use Screen Resolution Checker
- 1Load this page on the target device.
- 2Review layout viewport sizes and physical pixel counts.
- 3Resize the browser to observe viewport scaling changes.
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