📺 Dead Pixel Checker
Spot dead or stuck pixels easily. This tool flashes your screen with solid colors to help you inspect your monitor or phone display for defects.
Click "START" to enter full screen.
How to Check for Dead Pixels
- Clean Your Screen: Wipe your monitor to remove dust, as it can look like a dead pixel.
- Start Test: Click the Start button. Your browser will go full screen.
- Cycle Colors: Click your mouse or press Left/Right arrow keys to switch background colors.
- Inspect: Look closely for tiny dots that don't change color.
- Dead Pixel: Always black.
- Stuck Pixel: Always red, green, or blue.
- Exit: Press ESC to finish the test.