Black Screen

Fill the display with a solid color. Tap to show controls and use Escape or the close button to leave fullscreen.

Runs in your browser — nothing is uploaded

Brightness is controlled by your device. Escape exits; tap for controls.

How to use Black Screen

  1. Choose a color and press Full screen.
  2. Tap the screen to reveal controls. Escape or the close button exits.

Questions

Does this change display brightness?

No. Set brightness using your device controls. A white page is not a calibrated light source; black does not power off the display.