Cryptainer LE Totally free 128 bit Free file and disk encryption software a simple, easy to use encryption application that creates encrypted "vaults". One can store any kind of data in them. Cryptainer LE allows on to encrypt any file or folder on any Windows PC. Protects all types of Media and any type of data. Password protect any file or folder with strong Encryption. Send secure e-mail. Protects data on USB Drives, CDs and HDDs.