Action disabled: backlink
ImageMagick
Batch Resize
mogrify -resize 640 *.jpg convert -resize 750×500 -quality 80% *.jpg convert -verbose -resize 600×900 -comment "Comments ftw" for x in $(ls *.JPG); do convert -verbose -resize 600 -quality 80% -comment "www.newioit.com.au" $x res$x; done
Convert to 1bpp monochrome image
convert source.bmp -colors 2 -depth 1 -monochrome destination.bmp