Dead Pixel Test
Click 'Start Test' to enter full-screen mode. Click anywhere or press ESC to exit. Use the color buttons to check for dead, stuck, or hot pixels.
About Dead Pixel Test
Test your monitor for dead or stuck pixels. Our free dead pixel test shows full-screen solid colors to spot defects. No signup. Toolinho offers free utility tools.
Cycle through colors above. Try our other free tools: screen resolution, image color picker, and QR code generator.