Cycle through solid colors fullscreen to find dead pixels on your monitor.
1. Clean your screen first to ensure specks aren't just dust.
2. Click the start button below to go fullscreen.
3. Click the screen to cycle through Black, White, Red, Green, and Blue.
4. Carefully inspect the screen for any pixels that don't match the solid color.
No upload is required. Simply interact with the test area above to begin measuring your dead pixel test performance.
Follow the on-screen prompts carefully. Your results for the Dead Pixel Test will be recorded continuously as you participate.
Once finished, review your final score and analytics. You can easily reset the Dead Pixel Test and try again to beat your previous record.
Share your results or instantly copy the generated output to your clipboard. No account or registration is required to use this utility!
Your inputs are never logged.
Everything runs entirely in your browser.
Zero latency, no wait times or queues.
Press any key on your keyboard to test if it's registering correctly.
Move your mouse and click (Left, Middle, Right) inside the box to test it.
Check if your webcam is working properly directly in your browser.
Check if your microphone is working and test input levels.