When you try to save such an image, the background area of the image will no longer be transparent and turns into solid color; in most cases, white i.e. Color 2.

Although it won’t create an actual transparent image, it will remove the background for sure. Whether it is a solid color or an image in the background, you can use this method to get the job done.

Paint 3D is an underrated tool on Windows 10, which takes the standard MS Paint app and adds tons of modern features. One of the most useful tools is background removal. Here's how to do that.