notes

ASCII,Hex,Binary,Decimal,Base64 converter
https://www.rapidtables.com/convert/number/ascii-hex-bin-dec-converter.html

Uint8Array() constructor
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array/Uint8Array

https://medium.com/@easyexpresssoft/object-literal-vs-json-7a2084872907