Screen Resolution & Viewport Tester
Free online viewport resolution tester. Inspect CSS viewport dimensions, device pixel ratio, and screen orientation in real time.
What is a Screen Resolution & Viewport Tester?
Free online viewport resolution tester. Inspect CSS viewport dimensions, device pixel ratio, and screen orientation in real time.
Execution Privacy:Toolbrix processes this utility using🔒 Processed locally — window object properties.
Frequently Asked Questions
Q:What is Device Pixel Ratio (DPR)?
DPR is the ratio between physical display pixels and CSS logical pixels (e.g. Retina displays have DPR 2 or 3).
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