Welcome to Cryptr This app is designed help you encrypt and decrypt conversations. As well as the encrypting and decrypting text messages or e-mails you can also use our board system to encrypt and decrypt topics and the comments to those topics. you may use the boards to have conversations or just discuss encryption. Once you have entered your key and text, and encrypted, long press on the encrypted text and then select copy. To paste, long press on the text area and select paste.