Display information
Screen Resolution Checker
Compare your browser-reported screen dimensions with the live page viewport and display scaling information.
Primary result
Screen resolution
- Available screen area
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- Browser viewport
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- Device pixel ratio
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- Color depth
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- Pixel depth
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- Orientation type
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- Orientation angle
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- Touch points
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This tool runs entirely in your browser. Screen and viewport values are not sent to the backend.
Understanding display dimensions
What is screen resolution?
Here, screen resolution means the width and height reported by the browser's screen API in CSS pixels. Browser privacy settings and display scaling can affect the reported result.
Screen resolution vs viewport size
The screen describes the broader display area. The viewport is the space currently available to this web page inside browser controls and changes when you resize the window or rotate a device.
What device pixel ratio means
Device pixel ratio describes the relationship between CSS pixels and device pixels. A value above 1 is common on high-density displays, but it does not by itself identify a specific screen.
What this result means
Screen, available area and viewport are different measurements. Resizing, zoom, display scaling, orientation and attaching another monitor can legitimately change the result.