Blank Screen
Fully white screen for projecting, cleaning the display or using as a focus background. Supports dark mode.
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What is it for?
You can project a clean screen, use it as a neutral background in a presentation, check whether the projector works, or set up a focus mode with nothing to distract you.
Pick whichever color you want, then click Full Screen so it takes over the whole monitor.
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A fully white screen
It sounds trivial, but a 100% white screen solves a bunch of everyday things. You can hunt for dead pixels on a monitor, rig up fill light for a photo, wipe the screen without turning the device off, or set up a neutral background to focus. One click and the whole screen goes white.
There's full-screen support, which turns any monitor, tablet or phone into a nicely uniform light surface, and if you need the opposite there's a dark mode too. Handy for a photographer, for anyone reviewing screens, in presentations or just to cut distraction.
It's all in the browser, nothing to install. Open it, go full screen and use the white screen however you need.