Find out how to use it for tracing, photography, testing displays, and more. White Screen is a tool that shows a full white image on your screen for digital creativity, design, photography, diagnostics, education, productivity, and more. White Screen Tools is a web-based tool that displays a white or other color screen on your device. From catching small insects attracted to the bright surface to serving as concentration aids by providing a clean, uncluttered visual environment, white screens continue to surprise.