In cryptography, encryption is the process of transforming information (referred to as plaintext) using an algorithm (called a cipher) to make it undetectable to anyone except those possessing special knowledge, usually referred to as a secret key. The result of the process is encrypted information (referred to as cipher text). The reverse process is to make the encrypted information readable again, is referred to as decryption (i.e., to make it unencrypted).Encryption can protect the confidentiality of messages by itself, but other techniques are still needed to protect the integrity and authenticity of a message. In this paper we are going to implement BASE128 encoding technique to convert 8-bit character to 7-bit character so that they can be transferred over the internet.Base128 encoding standard can be used by almost all the email clients to encode the files which are sent as attachments by Multipurpose Internet Mail Extension(MIME). © 2016, International Journal of Pharmacy and Technology. All rights reserved.