Detect Stuck and Bright Pixels
Easily discover stuck or bright pixels against a pure black background. Ideal for testing LCD, LED, and OLED displays.
Black Screen
Free fullscreen black screen tool for screen testing, battery saving, and creative projects
Color Picker
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Click the box above or press Space for fullscreen
Press ESC to exit fullscreen mode
Why Use Black Screen Tool?
Battery Saving and Power Conservation
On OLED and AMOLED screens, displaying pure black consumes virtually no power, significantly extending battery life.
Eye Comfort and Vision Protection
Rest your eyes from bright light and visual strain using a dark, comfortable black screen in low-light environments.
Hide Secondary Display
Temporarily darken your secondary or additional monitor without disconnecting it, perfect for multi-screen setups.
How to Use Black Screen
- Choose 'Black' from preset colors or use the color picker to select pure black #000000.
- Click on the black screen or press spacebar to enter full screen mode.
- Carefully inspect your screen for bright pixels, stuck pixels, or enjoy the complete darkness.
- Press ESC to exit fullscreen mode at any time.
- Use the download button to save the black screen image for offline use.
Frequently Asked Questions
Does black screen really save battery?
Yes, especially on OLED and AMOLED screens where black pixels turn off completely and consume no power, noticeably extending battery life.
Is this a pure black screen?
Yes, the tool displays pure black color code #000000 for a complete, solid black screen without any other colors.
Can I use black screen for sleeping?
Yes, many people use it to darken the room and provide a comfortable sleep environment while keeping their computer or TV running.