imagemagick - TeamFlowerPower/kb GitHub Wiki
convert input.jpg -scale 35% ../small/output.jpg
See also in the great imagemagick documentation.
convert -bordercolor black -border 240 input.png output.png
convert input.jpg -scale 35% ../small/output.jpg
See also in the great imagemagick documentation.
convert -bordercolor black -border 240 input.png output.png