How to create a transparent background for an image with Gimp

The following will explain how to create an image with a transparent background with the freely available tool Gimp.

GIF and PNG images can have transparent backgrounds. JPEG can not have a transparent background. Lets take the following example picture.

It look good on a white background but not so good on another background.

Start Gimp and open your file via File -> Open and selecting your file.

Select Tools -> Selection Tools -> By Color Select (or another method which is more appropriate to you).

Select in the Layer window Layer -> Transparency -> Add Alpha Channel. Or just use Cntr+X to cut out the selected color.

Save the file in either png or gif format.

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