Green flag. Then use the buttons: 1. Add to List : adds an item to list 2. Encode : encodes list 3. Decode : Decode a custom code OR test out what you just encoded.
Everything by me. Works from Scratch 2.0-3.0 Please comment your opinions and any bugs! Updates: 1.0 : First Version 1.1 : fixed a bug where decoding would add a blank item to the list