CrackMacCrackMac / Free tools / White screen
White screen: full-screen white for light, cleaning and testing
Turn your whole screen pure white in one click. Use it as a soft light, to see smudges while cleaning, or to spot dead pixels. Pick another colour or make the white warmer if you like.
Move the mouse or press any key to show controls. Escape leaves. Arrow keys change colour.
Ways to use it
- As a light: brightness up, white screen on, warmth to taste. Handy for video calls in a dark room.
- Cleaning: fingerprints and streaks show clearly on white.
- Dead pixels: black dots on white are dead pixels.
- Tracing: lay thin paper on the screen at full brightness.
For a full check, run the dead pixel test or the screen test, which also measures damaged edges.
Questions
How do I make my screen white?
Click Open white screen. Your whole screen turns white. Move the mouse or press any key to show the controls, and press Escape to leave.
Can I use a white screen as a light?
Yes. Turn your screen brightness all the way up, open the white screen and use the warmth slider for a softer, warmer light, for example on video calls or to read in the dark.
Is a white screen good for cleaning my screen?
A black screen shows dust and smudges better, a white screen shows fingerprints and streaks. Clean with a soft, slightly damp cloth and no spray directly on the screen.
How do I find dead pixels with a white screen?
Look closely for black dots. Those are dead pixels. For stuck pixels, use a black screen and look for coloured dots, or run the full dead pixel test.
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