Pixlura

Dead pixel detector with solid colors, gradients & brightness test.

Pixlura is a clean, lightweight screen test tool designed to help you detect dead pixels, stuck pixels, and backlight issues on any Android device.
Core Features:
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Solid Color Test — Fill your entire screen with pure Red, Green, Blue, White, Black, Cyan, Magenta, Yellow, or Gray. Swipe left/right to cycle through colors without leaving full-screen mode.
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Gradient Test — Display smooth black-to-color gradients (B&W, Red, Green, Blue) to reveal uneven backlighting or display banding.
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Brightness Test — Use a slider to set any gray level from 0 to 255 and launch a full-screen brightness test to spot luminance defects.
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How-to Guide — Step-by-step instructions for getting the most accurate results.
Perfect for checking a new phone before purchase, verifying a screen repair, or routine display health checks.