White Screen Tool for Testing and Full Screen Lighting

White Screen is a free online tool that fills a monitor, phone, or tablet with a full screen white display. It is useful for screen cleaning, dead pixel detection, monitor testing, video call lighting, photography, drawing, reading, and other tasks that need bright, even light or a distraction free background. The site includes brightness adjustment, color temperature control, OLED burn in protection, keep awake mode, color presets, a pixel grid overlay, and high resolution white screen image downloads.

Domain: whitescreen.im

Added: 2026-09-05 · Updated: 2026-09-05