--- /dev/null
+-i, --identify
+Display details about the image file.
+
+-d, --decode
+Convert frames to another image format.
+
+-v, --verbose
+Display additional information on standard output.
+
+-f, --file=FILE
+Read image data from FILE instead of standard input.
+
+-F, --format=FMT
+When decoding, set the output format to FMT. One of png,
+pam, ppm or pbm.
+
+--output-prefix=NAME
+When decoding, output filenames will begin with NAME
+instead of "out".
+
+-n, --no-palette
+Instead of performing palette lookups, the palette index
+values for each pixel are used directly as grayscale level.
+
+-p, --palette=FILE
+Load FILE as the base image palette.
+
+-O, --override=FILE
+Load FILE as the override palette.
+
+-V, --version
+Print a version message and then exit.
+
+-H, --help
+Print a help message and then exit.