convert image-file -transparent white output-file.png convert image-file -transparent -fuzz 50% white output-file.png
convert image-file -resize axb\! output-file #(ignore aspect ratio of input-file) convert image-file -resize axb output-file #(preserve aspect ratio)
convert image-file -rotate angle output-file
convert image-file -crop DeltaaxDeltab+a0+b0 output-file convert image-file -trim output-file #(auto crop)
convert -delay time-in-cs -loop number-of-loops input*.gif output.gif
convert image-file -negate output-file
convert -density 900 image-file.eps -resize 1024x1024 output-file.jpg
convert -density 150 -trim input.pdf -quality 100 -flatten -sharpen 0x1.0 output.jpg