The main blocks are "ENCODE(value)" and "DECODE(value)". If you want to use this in your cloud project, just backpack the "MAIN" sprite. Supported characters: abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^*()-_+=<>,\/{}[];. and Space.
@griffpatch for the encoding/decoding algorithm, modified by me (I added case sense and more supported characters) Scratch Wiki for the "Case of()" block, modified by me (I made it faster) Everything else by me, @wvj