slackbuilds/graphics/gimp-plugin-bimp/README

gimp-plugin-bimp (Batch Image Manipulation Plugin for GIMP)

With BIMP you can apply a set of GIMP manipulations on groups of
images. It provides an easy to use interface and a lot of batch
functions, including:

Resize, crop, flip, rotate, blur, sharpen, color correction,
watermark, rename, change compression and format, and much more.