WhiteScreen is a versatile online tool designed primarily for testing screen displays by presenting a pure white background on your device. This tool is particularly useful for identifying issues like dead pixels, scratches, or uneven backlighting. Beyond just white, it allows users to choose from various colors or even custom hues, making it adaptable for different types of screen assessments. It’s simple to use, requires no downloads, and is accessible directly from your browser, making it convenient for quick and thorough screen checks.