Apply the Selective Gaussian Blur to an Image in GIMP - VisiHow
How to Make the Background Blurry in GIMP
I made a new Gimp plugin that sharpens images with many different algorithms. It is like Gimp's "High pass" filter but with many more options. IMO, Median Sharpen is best. Follow simple
3.16. Smudge
How to Make the Background Blurry in GIMP
GIMP 2.10.20 Released with Improved Crop Tool, New Blur Filters - OMG! Ubuntu