Encrypter link : https://repl.it/@John_123/Encrypter
Decrypter link : https://repl.it/@John_123/Decrypter
Here is my Encrypter and Decrypter of a Message written ! , I have written it myself, So Please do give it a (+1) if you like it !
It is not secure but fun (I put +1 (:) , have a look at this if you like cryptography : https://cryptools.github.io/
@lukalafaye: I was about to implement my code with key ! I am on my way for it ! I will post the code here, as soon as I would have completed it ! Thank you for the suggestion , Have a Great Day :) !