1-2- Free Steganography Invisible Secrets allows you to encrypt and hide files in other files (carriers) which are not suspect of encryption (JPG, PNG, BMP). First, It will encrypt the sensitive data using a specified password and cryptosystem (algorithm). After that, the encrypted data will be inserted in the carrier. The resulted carrier (which contains the real message) can be attached to an email message (which is a fake message), or published on a web page near hundreds of other pictures (or other carriers) from where the addressee (the only person who knows which is the right image) can download it without revealing his/hers identity.