1 example for mogrify
#batch resize all .jpgs in current dir to 1024 height (keeps aspect ratio)
#install Imagemagick, files will be overwritten!
mogrify -resize x400 *.jpg
#batch resize all .jpgs in current dir to 1024 height (keeps aspect ratio)
#install Imagemagick, files will be overwritten!
mogrify -resize x400 *.jpg