Goals

To provide a powerful PNG optimizer;
To demonstrate how to implement a PNG optimizer.

License

Open-Source (zlib/libpng license).
Please see the attached LICENSE.

URI

Home page:
http://optipng.sourceforge.net/

Download: http://sourceforge.net/project/showfiles.php?group_id=151404
Support: http://sourceforge.net/tracker/?group_id=151404

Build instructions

Extract the source archive:
e.g. "tar -xzf optipng-0.5.5.tar.gz" or "unzip optipng-0.5.5.zip"

Go to the source directory:
"cd optipng-0.5.5/src"

Run the appropriate makefile from the scripts directory: e.g. "make -f scripts/gcc.mak" or "nmake -f scripts/visualc.mak" OR
If you are using Microsoft Visual C++ 6.0 or later, load and build the project "prj/visualc6/optipng.dsw"

Installation instructions

Follow the build instructions above.

On Unix:
Make the "install" target, using the same makefile that was used for building the program: e.g. "make -f scripts/gcc.mak install" To uninstall, make the "uninstall" target: e.g. "make -f scripts/gcc.mak uninstall"

On Windows:
Copy "optipng.exe" to a directory found in PATH.

Support

Send email to cosmin (at) cs (dot) toronto (dot) edu OR
Visit the SourceForge.net tracker:
http://sourceforge.net/tracker/?group_id=151404