Man Pages – Linux Manual Pages

convert – converts an input file using one image format to another
USAGE
convert [ options ... ] input_file output_file

DESCRIPTION
Convert converts an input file using one image format to an output file
with a differing image format. [...]

composite – composite images together.
USAGE
composite [ options ... ] change-image base-image [ mask-image ] out-
put-image

DESCRIPTION
composite composites (combines) images to create new images. base-
[...]

animate – animate a sequence of images
USAGE
animate [ options ...] file [ [ options ...] file …]

DESCRIPTION
Animate displays a sequence of images on any workstation display run-
ning an X server. animate first [...]