JSFiddle - React, Tailwind, and code Playground
HTML
<script src="http://www.leemon.com/crypto/BigInt.js"></script>
<div id='output'> </div>
JavaScript
var x = str2bigInt("5061756c205768697465",16,1,1);
//return a bigInt for number represented in string s in base b with at least n bits and m array elements
var s = bigInt2str(x, 10);
//return a string form of bigInt x in a given base, with 2 <= base <= 95
$('#output').text(s);