ScreenWhite
Launching nowScreenWhite shows a full screen white background instantly. Set brightness, warmth, keep awake, download up to 8K images. No sign-up.
ScreenWhite is a free web tool that fills your display with a pure white screen in one click. It provides an adjustable fullscreen background for video call lighting, tracing, display inspection, or as a simple blank canvas. No account is required and nothing is stored.
The colour is painted in the first frame by putting it inline in the HTML. You can change brightness and warmth, keep the screen awake, and download the result as a PNG, JPG or WEBP file up to 8K.
Key Features
- One-click fullscreen: Press Full screen to fill the whole display with white and hide all other UI.
- Brightness and temperature sliders: Adjust the level from 10% to 100% and the colour temperature from 2000K to 9000K.
- Keep awake: Toggle a wake lock so the display does not sleep while the page is open.
- Download up to 8K: Export a white image in HD, 4K, 8K or custom sizes, in PNG, JPG or WEBP.
- Direct link to any shade: Append a hex code to the URL to display that exact colour.
- Embeddable version: Use the provided iframe to place the white screen on any site.
Who Should Use ScreenWhite
- Remote workers and streamers: As a soft light source for meetings or recording.
- Artists and designers: As a light table for tracing or as a reference background.
- Technicians: To test displays for dead pixels or uniformity.
- Careful readers: To create a plain, bright page for focused reading.
Frequently Asked Questions
How does ScreenWhite keep my screen awake?
It uses the Screen Wake Lock API when you enable Keep awake. The lock is released automatically when you leave the page.
Is the white screen bad for your eyes?
It is not inherently harmful, but long exposure to a bright screen can cause strain. Lower the brightness to 60% and warm the colour above 4000K for comfort.
Can I use this on my phone or TV?
Yes. The site works in any browser. On mobile you can add it to your home screen; on TV simply open the website.
How can I download a white background image?
Use the Download panel to choose a format and size. PNG files are generated on the server and are only a few kilobytes, even at 8K.
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