Black Out Screen
White Out Screen’s black display is a free online tool that fills your monitor with a pure black background. Used for OLED power saving, dead pixel detection, dark room ambiance and eye strain reduction — no download or signup required.
What people use it for
🔋 OLED Power Saving
Black pixels on OLED screens consume almost no power. A fullscreen black display significantly reduces battery drain on laptops, phones and tablets.
🖥️ Dead Pixel Testing
Black screens reveal bright stuck pixels that are invisible on white. Alternate between black and white for thorough pixel testing.
🌙 Dark Room Ambiance
Create a completely dark environment without turning off your monitor. Ideal for watching films, relaxing or sleeping with a screen nearby.
👁️ Eye Strain Relief
Reduce eye fatigue during long screen sessions by switching to black when taking breaks.
🎥 Video Production
Use as a black backdrop for product shots or video thumbnails requiring a pure dark background.
Screensavers
Pro tips
- Use Yellow screen for comfortable late-night reading — warmer and less disruptive than white.
- Press F or click the screen to launch true fullscreen mode instantly.
- Use Red screen to preserve night vision while stargazing — red light is least disruptive to dark adaptation.
- Use Green screen as a chroma key background for webcam effects in video calls.
- Adjust the Lightness slider to dial in the exact brightness you need without touching your system settings.
- Download any color at up to 8K resolution as a PNG — great for design mockups or wallpapers.