Hex 2 ASCII to String ( Thanks to responses from Stackoverflow)

conversions

function str2hex(str){
  var arr = []; 
  str.split('').forEach(function(c){
    arr.push(c.charCodeAt());
  }); 
    return arr;
}

function hexarr2str(arr){
  var result = ''; 
  arr.forEach(function(h){ 
    result += String.fromCharCode(parseInt(h, 16));
  }); 
  return result;
}

// Usage: Roundtrip 
// hexarr2str(str2hex("hello")) 
//"hello"