pngcrush-1.8.11

Recompresses PNGs to reduce their file size

It offers many options to enable the size reduction including bit-depth reduction, compression window size and compression level amongst others.

There are run-time dependencies that need to be installed first. Why not use depothelper to install them all in one go?

Dependencies
Run-time dependencies:
zlib                
Build-time dependencies:
make zlib              
Operating System Architecture Package Type Package Size Date Archived View Contents? Download
HP-UX 11i v3
(HP-UX 11.31)
32-bit Itanium 2Gzipped
Binary Depot
455 K25 Jan 2017YesHTTP FTP
HP-UX 11i v3
(HP-UX 11.31)
32-bit PA-RISC 2.0Gzipped
Binary Depot
165 K25 Jan 2017YesHTTP FTP
HP-UX -Tarred/Gzipped
Source Code
531 K25 Jan 2017YesHTTP FTP