Crypt4Free builds on the award winning Advanced Encryption Package Professional, it is freeware and used to decrypt files created by AEP PRO. But Crypt4Free can also be used and as the encryption software. It is not so powerful as AEP PRO, but it has all necessary things to do your life easier.
It uses two encryption algorithms to protect your files: Blowfish 448 bit and DESX 128 bit. And "Quick Wipe" algorithm to shred sensitive files. Crypt4Free also has a user privacy tool removing all internet traces like URL history, typed URLs, Favorities, Recycle Bin, typed passwords in web forms and etc