White Test Screen is a completely free, web-based tool designed to help you test your screen’s performance on various devices, including mobile phones, laptops, desktops, iPads, and iPhones. Use our pure white screen to detect dead pixels, screen imperfections, and other issues with ease. Whether you're a tech expert or simply curious, enjoy a user-friendly experience with customizable pixel settings and the ability to download the white screen background as wallpaper.
Explore our other screen testing tools: