Avatar Sizer takes an image and makes it smaller, suitable for use as an Avatar. That's its job and it does it extremely well. Avatar Sizer is exceptionally easy to use and can convert most of the popular image types into an Avatar. Oh, it is FREE! Any image can be made into an Avatar In theory, Yes! Provided you have the rights to use the image and the image you have is one of the ones Avatar Sizer can handle, you can turn it into an Avatar.