🖥️ Hardware Test

Screen & Display Test

Test your monitor for dead pixels, color accuracy and brightness. Click panels to go full-screen for best results.

📊 Display Info

Resolution

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Color Depth

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Pixel Ratio

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Viewport

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Orientation

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HDR Support

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🔴 Dead Pixel Test

Click each color panel below to view it full-screen. Look carefully for any pixels that don't match the background color. Press Esc to exit full-screen.

BLACK

WHITE

RED

GREEN

BLUE

GRADIENT

☀️ Brightness & Contrast Test

Click a shade to view full-screen. You should be able to distinguish all 11 shades.