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Free light screen tool online. Turn any display into a flashlight, ambient light, or solid-color screen. No download or sign-up. LightScreen is a free browser tool that fills a monitor, laptop, or phone with any color at adjustable brightness. Use it as a screen flashlight, reading light, ambient light, or red light for stargazing. Extra modes include breathing, RGB cycle, traffic-light blink, a ring light, and Zoom lighting. A screen test page shows solid colors for dead pixels and backlight bleed. It also includes small fullscreen utilities: a digital clock, a Linux terminal simulator, a QR code on screen, and harmless fake call or update screens. Nothing is installed and no account is required.

Screen Issues offers a free, user-friendly tool to identify display defects such as bright spots, dead pixels, backlight bleed, and screen burn-in. Our expert guides provide step-by-step instructions for repairing LCD and OLED screens, empowering users to tackle issues confidently. With a focus on accuracy and ease of use, we help you maintain the quality of your devices, ensuring optimal performance and longevity. Whether you're a tech enthusiast or a casual user, Screen Issues is your reliable partner in display care, making screen diagnostics and repairs accessible to everyone.