Invisible ink is a method used for ages to send messages without anyone seeing the content, even if it was intercepted. Only those who knew a message was hidden could use the right method to make it visible.Invisible Ink updates this whole concept. For this it uses BMP image files. The process couldn+t be simpler: open the BMP image, write the message you want to hide, and indicate the password. Only the sender and receiver can see the content of this encrypted text in this image. Even though another person can look at the image, they won+t know it hides a message, and even if they did, they still can+t see it without the password.
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