Dead Pixel Test

Spot dead pixels on your screen easily.

Click "Start Test" to enter full screen. Click or press arrow keys to cycle colors. Press ESC to exit.

Click to change color. ESC to exit.

⚠️ Warning: Flashing Colors

The "Stuck Pixel Fixer" flashes colors rapidly to attempt to unstick pixels. Do not use if you are sensitive to flashing lights or have epilepsy.

Drag this box over the stuck pixel.