White Screen Test

Click the big color block below to enter full screen⬇️ ⬇️

White Background Wallpaper

Display Message

Text -    Background -

hello world!

White Screen Test

What is a White Screen Test?

A white screen test is a full-screen display of white color and is an online testing tool for testing the screen or detecting bad spots on the screen. Regularly checking and cleaning the screen can prevent screen damage and extend the life of the screen.

How to use?

It is very easy to use, you just need to complete the following steps:

1. Visit our website homepage.

2. Click on the white color block to enter the full screen display.

3.When the whole screen turns white, check your screen for smudges or bad dots.

4. Press esc button to exit full screen display.

5. If you need other color test, you can switch it on the homepage.

About White

White is a color that contains all the colors of light in the spectrum, and is often considered "colorles". White light can be obtained by mixing the three primary colors of the spectrum: red, green and indigo light in a certain ratio. The mixture of all visible light in the spectrum is also white light. This color represents purity in the present moment.


In Western culture, white is a symbol of purity, goodness, and justice. In China, white is the opposite of red, white is the expression of depletion and bloodlessness, lifelessness, symbolizing death and evil omen.


White is a neutral color and is often used as a background color for pages, as well as in print. Many of the best websites that use white give the impression of "clean and simple".

As lighting

If you want to take a picture in front of the screen, but the light is not bright enough, we can use a white screen as an alternative to lighting.

Use a white screen during short breaks

When our work is over for a short period of time, we need to take a break or we don’t want to be disturbed, we can use the white screen to clear the screen content.

White Wallpaper Download

Our online tool offers solid color wallpaper downloads in a variety of colors as well as in a variety of sizes, just select or enter the pixel dimensions and click the download button.

Full-screen display of text

Our tool allows you to display text in the middle of the screen, text color and screen color can be customized. This is one of the advantages of this tool.


The white screen test works on the screens of a variety of devices, including laptops, desktop computers, smartphones, TVs, tablets and more. As long as your device can access this site, you can use the white screen test.