⬛ Black Screen

Click the black area below to display a fullscreen black screen. Perfect for OLED testing, power saving, or reducing eye strain.

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📱 OLED Test

Check your OLED or AMOLED display for dead pixels or light bleed. True black pixels should be completely off on OLED screens.

🔋 Battery Saver

On OLED devices, a black screen uses almost no power. Use this to keep your screen on while minimizing battery drain.

😴 Dark Room

Minimize light output in dark environments. Great for astronomy, sleep environments, or reducing screen-induced eye strain.

🎬 Presentation

Black out your screen between presentations or during intermissions without turning off your display entirely.

About Black Screen Tool

Our black screen tool displays a pure black (#000000) background across your entire screen. On OLED and AMOLED displays, black pixels are completely turned off, providing true black and saving battery life.

This tool is useful for testing display quality, creating a dark environment, or as a simple way to black out your screen during presentations. It's also popular for checking OLED burn-in or light bleed issues.

How to Use

Click the black button above to enter fullscreen mode. The entire screen will turn black. To exit, click anywhere or press ESC. The exit hint appears when you move your mouse.