This free software allows you to simply paste any text into it, enter your keyword or sentence, and your text is made unreadable Only the people that know your keyword can decode your text and read it again. Includes cut and paste options to easily paste into email for sending, if your workplace it montoring your email, this will make your email private again as only the recepient will be able to decode your message. No text size limits and no software installation required, this program is designed to be small and can even be run from diskette or thumb drive if you do not want a copy of the program on your pc.