LightScreen is a free fullscreen light screen you open in the browser. There is no download and no sign-up. Pick a color and any display becomes a flashlight, an ambient light, or a solid-color screen.
What it does
Click a color on the home page and the screen fills with that color at full brightness. A slider adjusts brightness from 0% to 100% while the light is fullscreen. Press F or use Enter Fullscreen for a full light, and leave with ESC, the exit control, or a tap on mobile. Scene modes include Breathing, RGB Cycle, Flow, and Gradient Flow, plus simple patterns such as a traffic light and a red-blue blink. Classic colors include white, warm light, cool light, red, green, blue, purple, pink, orange, yellow, black, and a UV-style violet.
Who it is for
LightScreen is for anyone who needs a quick screen light. Use white or warm light as a reading light, red light when you want to keep night vision, or a bright screen as a flashlight in a dark room. White fill can stand in for a simple photo or video-call light. Solid colors also make it easy to look over a display. Related pages on the same site include a screen test, a digital clock, and a virtual ring light. Those are optional. The product itself is the light screen.
Pricing and access
Pricing is free. LightScreen runs in a modern browser on desktop and mobile. Nothing is installed, and no account is required.
Key features
Fullscreen solid-color light, a brightness slider, breathing and cycle animations, warm and red night-light colors, and instant use with no download or sign-up.
Quick answers
What is LightScreen? A free online light screen that turns a display into a flashlight, ambient light, or solid-color screen. Is it free? Yes. There is no download and no sign-up. Does it work on phones? Yes, in
the mobile browser.
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