There is no particular practical application, but rather only for fun. You can surprise someone with your correspondence in instant messengers or embed an invisible text among the ordinary, making a message in a message. Naturally, the interlocutor also needs to have the program for decryption.

- By clicking the Encrypt button (Шифровать), the text from the input field is converted to a sequence of invisible characters and copied to the clipboard.
- By clicking the Decrypt button (Расшифровать), the text from the clipboard is decrypted and displayed in the lower text field.