pngcrush(1) on Linux
The text bf6e68066b5f, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
optimizes (or modifies) PNG (Portable Network Graphics) files.
Flags it lists
-
-already -
-bit_depth -
-brute -
-c -
-d -
-dou -
-e -
-exit -
-f -
-fix -
-force -
-g -
-h -
-keep -
-l -
-loco -
-m -
-max -
-mng -
-n -
-newtimestamp -
-oldtimestamp -
-p -
-plte_len -
-q -
-rem -
-replace_gamma -
-res -
-save -
-srgb -
-v -
-w -
-z