Omziff is a free and independent security and coding of files tool.
Between the powerful coding algorithms that Omziff uses we can mention Blowfish, Cast128, Ghost, IDEA, Misty1, AES/Rijndael and Twofish.
Omziff can also be use to generate random passwords, to divide files and to erase documents in an according to the United States Defense Department standards safe form.
Like an additional advantage, Omziff is free and portable: you do not need to install it for usage. It is necessary just to copy the EXE file in the wished folder and then open it.