Tool Nova

Computer Tools

Dead Pixel Test - Screen Color Checker

Display solid screen colors to help find dead pixels, stuck pixels, screen tint, dust, and display uniformity issues.

Screen diagnostics

Dead Pixel Test

Show full-screen solid colors to help spot dead pixels, stuck pixels, dust, or screen tint issues.

Choose a color, then use the full-screen view if your browser allows it. Press Escape or click close to exit.

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How this dead pixel test works

Choose a solid color such as white, black, red, green, or blue.

Inspect the screen for dots that stay dark, bright, or the wrong color.

Repeat with several colors to catch different pixel and tint issues.

Frequently Asked Questions

Can this repair dead pixels?

No. It only helps you inspect the display visually.

Does it work on phones?

Yes. Open the page on the phone or tablet display you want to inspect.