PHP Crypter
This program used to encode or decode data using specific key passphrase with
Rijndael 256 bit encryption.

LICENSE :
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License version 2 as published by the Free
Software Foundation. This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.

Usage : 
set_time_limit(0);
ini_set('memory_limit', '-1'); // use this for large data file
new phpCrypter($argv);

Still very early release, just for fun coding purpose :)