White Screens fills your display with pure white or any solid color, right in the browser. Adjust warmth from candlelight to daylight, set brightness, add an auto-off timer and keep the screen awake. It also bundles the screen checks people usually hunt for one by one: a dead pixel test and stuck pixel fixer, a refresh rate test, a burn-in test, test patterns, plus plain color background images. Free, no sign-up, nothing to install.

Hi Fazier! I built White Screens because I kept bouncing between separate sites for a plain white screen, a dead pixel test and a refresh rate check. So it's one place: solid color screens with warmth and brightness controls (a tablet makes a decent video call light this way), and next to them the checks you'd run on a new monitor or phone: dead pixels, stuck pixel fixer, burn-in, refresh rate and test patterns. Everything runs in the browser, no sign-up. I'd love to hear which screen test you'd want added next.

Hi Fazier! I built White Screens because I kept bouncing between separate sites for a plain white screen, a dead pixel test and a refresh rate check. So it's one place: solid color screens with warmth and brightness controls (a tablet makes a decent video call light this way), and next to them the checks you'd run on a new monitor or phone: dead pixels, stuck pixel fixer, burn-in, refresh rate and test patterns. Everything runs in the browser, no sign-up. I'd love to hear which screen test you'd want added next.
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