Black Screen Tool

This pure fullscreen black display is ideal for OLED burn-in testing, backlight bleed detection, screen calibration, and dead pixel checking.

Common Uses for Black Screen

• OLED burn-in test: Check for screen burn-in or image retention on OLED displays
• Backlight bleed detection: Identify backlight bleeding issues in dark environments
• Contrast calibration: Test black levels and contrast ratio on your monitor
• Dead pixel check: Spot bright stuck pixels against a pure black background
• Screen uniformity: Check for uneven backlighting across your display
• Dark mode testing: Test how applications look in dark environments
• Focus tool: Create a distraction-free environment for deep work

How to Use

Click anywhere on the black area above, or press the F key or Spacebar to enter fullscreen mode. Press Esc or F11 to exit fullscreen.

Why Choose AllWhiteScreen?

Unlike other tools cluttered with ads and unnecessary features, AllWhiteScreen provides a clean, fast, and distraction-free experience. No signup required, no tracking, just instant access to the color tools you need.