I needed to remove the white background from several hundred images in PNG format and replace it with transparency. I know you can automate Photoshop but that’s like getting into a Sherman tank ...

Remove the background from an image using GIMP Many photo-editing programs have borrowed the look and feel of Photoshop’s highlighting tools for their own removal tools.

Learn how to blend two images in GIMP using layer opacity, image blend mode and gradient tool over a layer mask.

How to Stretch Out a Background on GIMP. GIMP, the free Gnu Image Manipulation Program, is a great resource for any small business on a budget that requires professional-looking graphics.

How to Remove Pixelation With GIMP. If you have digital images with pixelation or noise in them, you can improve them using the GIMP (GNU Image Manipulation Program) software.

Also: How to export images as PDFs in GIMP You can also change the colors, but fade a layer to reveal part of a background image.