Secret Message Encoder by Therineb

Secret Message Encoder is a powerful Firefox extension for encoding and decoding secret messages with style. Transform your text using classic ciphers like Caesar, Atbash, Morse, Binary, Base64, Reverse, Leetspeak, and Pigpen, or hide messages in plain sight with steganography methods (Invisible Characters, Spaces, Capitals, Punctuation). Copy results, generate QR codes, and save up to five recent messages in a sleek history.