> What Is My Screen Size?

What Is My Screen Size? is a free, in-browser tool that provides accurate information about your screen size, resolution, pixel ratio, and aspect ratio without collecting or storing any data. It offers a comprehensive overview of your screen's specifications, including diagonal size, resolution, aspect ratio, orientation, pixel density (PPI), color depth, and pixel ratio (DPR).

The tool also features a 'Popular device specs' section, allowing users to quickly compare their screen specifications with those of popular devices like the iPhone 17e, iPhone 17, iPhone Air, iPhone 17 Pro, iPhone 17 Pro Max, and iPhone 16. This comparison helps users understand how their device's screen measures up against widely used smartphones.

Additionally, What Is My Screen Size? provides related tools such as the 'What is my viewport?' for live inner width and height, visualViewport, safe-area visualizer, and width simulator; the 'Screen resolution checker' to read screen.width and screen.height, compare with viewport, and see physical pixel dimensions; and the 'Device pixel density calculator' to calculate your screen's pixel density (PPI) instantly. All these tools are designed to enhance user experience and assist in understanding screen specifications more effectively.