Fullscreen test patterns: solid colors, gradients, grayscale, RGB colors, grids. Detect dead pixels, color uniformity, and response.
Try it Free →Red, green, blue, white, black, cyan, magenta, yellow, gray. Fullscreen for dead pixel detection.
Black-to-white and RGB gradients to test color gradient smoothness.
Grayscale steps to check gray level linearity.
Various grid patterns to check pixel alignment and sharpness.
Arrow keys or click to cycle through test patterns. ESC to exit fullscreen.
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Click Start Test to enter fullscreen mode.
Each pattern fills the screen. Look for dead pixels, color banding, or uniformity issues.
Click or use arrow keys to cycle through patterns.
Press ESC or click Exit to leave fullscreen.