White Screen Test is a web-based tool to turn your display into a bright white screen. With a full white screen, you can easily detect any dead pixels on your display.

Online tool to show white fullscreen page. Use as a light source for zoom calls or to test monitor, to copy drawings, to make a flipbook, to focus yourself.

People often use this white screen tool to check for dead pixels and other display issues. If the screen is filled with pure white, it becomes so easier to spot any dead pixels, or problems with the backlight.

A white screen tool displays a pure white screen in fullscreen mode, essential for monitor testing, screen calibration, and dead pixel detection. Our free white screen online tool provides instant access to a …

Test your screen with a pure white color on LEDR, ensuring accurate color display and brightness.

White fullscreen page to find dirty spots or dead pixels on your screen.

Screen test and diagnosis: Our White Screen Tool consists of a clear white background and points out discolouration, dead pixels, and non-uniform brightness. It also diagnoses other imperfections on the …

Use this free online white screen tool for monitor testing. Check dead pixels, backlight bleed, and color accuracy using white, black, and other color screens.

Use our free white screen tool to test for dead pixels, clean your monitor, or provide professional lighting for video calls. No download required. Supports 4K & 8K.

Use our full-screen white screen to test for dead pixels, clean your monitor, use as a soft light for video calls, or as a distraction-free focus tool.