Cool File Encryption - Version 2.1 Reliable and convenient encryption software for files, using AES algorithm. Features 1.Easy to use interface like MAC's GUI.2.Can encrypt file of any type and any size.3.Can encryp more than one file at a time,can decrypt more than one file a time.4.Adopt the international standard cryptographic algorithm--AES.5.Support the 128,192,256-digit code in AES mode.