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 ...

To obtain high-quality images with better resolution, you can use a few simple tools. Learn about ways to enlarge pictures without losing quality using these tools now.

This article shows how to Fade out Images and make them washed out in GIMP. The washout effect is created by making colors lighter.