Graphite Check

Display and Viewport Information

Read your browser viewport, screen dimensions, pixel ratio and current orientation.

Browser-reported values may differ from the physical panel specifications or operating-system scaling.

How to use

Open the page on the display you want to inspect.

Resize the window to refresh the reported viewport.

Compare screen dimensions with the content viewport and device pixel ratio.

FAQ

How do I use this tool?

Open the page on the display you want to inspect. Resize the window to refresh the reported viewport. Compare screen dimensions with the content viewport and device pixel ratio.

Are these physical panel pixels?

Most screen and viewport values use CSS pixels. Device pixel ratio reflects scaling and can change with zoom or display settings.

Why is the viewport smaller than the screen?

Browser chrome, window size and operating-system UI take up space outside the page’s content area.

Are my inputs uploaded?

Tool inputs are processed in your browser. Advertising makes separate requests as described in the privacy policy.