Drag and drop your image (the one you want to convert to B&W) into GIMP and right click on it, go to Image -> Mode -> Decompose. In the new window select RGB or HSV mode and then click OK to close it.
The GIMP image editor is not nearly as challenging as you might think. There are several things you can do to improve your workflow. All of these tips are free to use. I've been using the GIMP image ...
Photographers and artists can enhance the look and feel of an image by modifying its colors. For example, you can remove red eye or other facial blemishes, or even change the color of the sky or other ...