PlexCrypt is a graphical based software that allows users to protect documents and folders in a secure manner using algorithms such as AES, Blowfish, CAST, DES, ElGamal, IDEA, IES, RC4, RC6, RSA, Rijndael, Serpent Skipjack, Twofish, etc. It allows users to create digital signatures, digest and verify them. It also allows users to archive and extract a set of files or folders using Zip format. In addition, it allows users to create and manage digital certificates & public/private keys for encryption and signatures.