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What Is My Screen Resolution?

Check the screen size reported by your browser, plus your viewport, aspect ratio, pixel scale, and orientation.

YOUR SCREEN RESOLUTION

Detecting…

Browser-reported screen size · CSS pixels

Aspect ratio

16:9

Closest common screen ratio

Browser viewport

1440 × 900

Visible browser area in CSS pixels

Pixel scale

1.00×

Browser-reported device pixel ratio

Orientation

Landscape

Based on reported screen dimensions

Advanced details

Reported resolution class

Full HD / 1080p

Matched from the browser-reported screen size

Estimated rendered pixels

1920 × 1080

Screen size multiplied by the reported pixel scale

Estimated rendered pixels may differ from your display’s native panel resolution because of browser zoom, operating-system scaling, privacy behavior, or external-display settings.

What Is My Screen Resolution?

Check the screen size reported by your browser, plus your viewport, aspect ratio, pixel scale, and orientation.

YOUR SCREEN RESOLUTION

Detecting…

Browser-reported screen size · CSS pixels

Aspect ratio

16:9

Closest common screen ratio

Browser viewport

1440 × 900

Visible browser area in CSS pixels

Pixel scale

1.00×

Browser-reported device pixel ratio

Orientation

Landscape

Based on reported screen dimensions

Advanced details

Reported resolution class

Full HD / 1080p

Matched from the browser-reported screen size

Estimated rendered pixels

1920 × 1080

Screen size multiplied by the reported pixel scale

Estimated rendered pixels may differ from your display’s native panel resolution because of browser zoom, operating-system scaling, privacy behavior, or external-display settings.

What Is My Screen Resolution?

Check the screen size reported by your browser, plus your viewport, aspect ratio, pixel scale, and orientation.

YOUR SCREEN RESOLUTION

Detecting…

Browser-reported screen size · CSS pixels

Aspect ratio

16:9

Closest common screen ratio

Browser viewport

1440 × 900

Visible browser area in CSS pixels

Pixel scale

1.00×

Browser-reported device pixel ratio

Orientation

Landscape

Based on reported screen dimensions

Advanced details

Reported resolution class

Full HD / 1080p

Matched from the browser-reported screen size

Estimated rendered pixels

1920 × 1080

Screen size multiplied by the reported pixel scale

Estimated rendered pixels may differ from your display’s native panel resolution because of browser zoom, operating-system scaling, privacy behavior, or external-display settings.

Understanding Your Results

A few distinctions make the browser-reported numbers easier to interpret.

Screen resolution

The complete screen size your browser reports in CSS pixels.

Browser viewport

The display area available to this page; it changes with window size and browser interface.

Pixel scale

The relationship between CSS pixels reported by your browser and rendered device pixels.

Aspect ratio

The shape of the reported screen, such as 16:9. It does not describe image quality.

Screen Resolution and Screen Mirroring

Your source device’s resolution does not determine mirroring quality by itself. Differences in aspect ratio can cause black bars or cropping, while the mirroring method, receiver limits, and network conditions can affect the resolution actually transmitted.

FAQ

The result is the screen size your browser reports in CSS pixels, so it cannot guarantee the hardware’s native resolution.

Simple guides, honest app reviews, and practical fixes for screen mirroring.