Whether it's a plain white background ... export the image as a PNG to retain the background transparency. You can now place the image on top of other images without a background or use it ...

If you try to save a transparent background PNG image into JPG, you will see that the background will be filled with a solid color (usually white). That’s because the JPG format doesn’t have ...

There is another method that you can use to make your picture transparent. Click the picture. Yes, the PNG format supports transparency. In Microsoft, you can make a photo in PNG format transparent.