This software can perform fast encryption, and it has a text specific password, so you can be sure that your information will not be spied. All you have to do is type a message or paste text, enter a password and click Encrypt.

This is a free, full-featured, portable software program, you do not need to install or set.
The author’s web link:http://www.blaizenterprises.com/securemessage.html