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Web and Developer

Screen Size Checker

Check viewport and screen dimensions.

Processed in your browser
100% Client-Side

Your files and text never leave your computer. Screen measurements are read in your browser. They are not uploaded, stored or sent to a Chrysoro server.

0 x 0Viewport
0 x 0Screen
1Pixel ratio

How to use

  1. Open the page in the browser you want to test.
  2. Resize the window or rotate the device.
  3. Read the updated viewport and screen values.

Frequently asked questions

Why do viewport and screen size differ?

Viewport size is the browser area available to the page. Screen size is the device screen reported by the browser.

Does it track me?

No. It displays values from the current browser session and does not send them to a server.