static void Main(string[] args) { var bytes = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 }; var httpUtil = HttpServerUtility.UrlTokenEncode(bytes); WriteLine($"HTTP Util: {httpUtil}_"); var convert = UrlEncoder.Encoder(bytes); WriteLine($"Convert : {convert}_"); WriteLine("Done!"); ReadLine(); }