Screen Test (Dead Pixel)
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Screen Test (Dead Pixel)
Fill the screen with solid colors to check for dead pixels and burn-in.
Tap a color to fill the screen. Click (tap) to cycle to the next color; press Esc or ✕ to exit. A dot that never changes color is a dead pixel.
How to use
- 1
Tap a color to fill the screen.
- 2
Click (tap) to cycle to the next color.
- 3
A dot that never changes color is a dead pixel. Press Esc to exit.
FAQ
Is this tool free?
Yes — it is completely free to use, with no account or sign-up required.
What is this tool?
Fills the whole screen with solid colors — red, green, blue, white, black, and more — to check your monitor for dead pixels and burn-in. Tap a color to go fullscreen, then click (or tap) to cycle to the next color. A dot that never changes color on a solid background is a dead pixel, and the black and white screens help check OLED burn-in. Everything runs in your browser, free with no install.