We make an image with an opaque background into one with a transparent background using the free and open-source GIMP image editor.
We can get GIMP (GNU Image Manipulation Program) at http://www.gimp.org/. There are versions that can be installed on Windows and Linux. GIMP is an excellent package and well-worth the effort of learning to use. It can be frustrating when you are not used to it so this particular recipe is devoted to describing the steps that will transform a
.png image with an opaque background into a
.gif image with a transparent background.
In Windows, you simply go to the website and click the Download button and it will install and can be used immediately. ...