Use Black Screen Online to check your screen’s color accuracy, spot dim corners, and find backlight bleeding on any laptop, TV, or monitor. It fills your display with a pure black image, making it easy to see imperfections and improve overall screen clarity.

Try our BlackScreen tool to cover your device with a uniform black display and detect dead pixels, uneven brightness, or IPS glow. This distraction-free tool makes visual inspection easier, turning your screen into a precise testing area that helps you focus and improve display performance.