djpeg(1) on Linux
The text a40dd4c69e6e, as Debian 8 (Jessie) shipped it.
decompress a JPEG file to an image file
Flags it lists
-
-bmp -
-dct -
-debug -
-dither -
-fast -
-gif -
-grayscale -
-memsrc -
-nosmooth -
-onepass -
-os2 -
-pnm -
-rle -
-targa -
-verbose