"Fortunate are those who take the first steps.” ― Paulo Coelho

How to convert Hex to Base64 in C#

Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. The term Base64 originates from a specific MIME content transfer encoding.

Base64 encoding schemes are commonly used when there is a need to encode binary data that needs to be stored and transferred over media that is designed to deal with textual data. This is to ensure that the data remains intact without modification during transport. Base64 is commonly used in a number of applications including email via MIME, and storing complex data in XML.

//Convert Hex to Base64
static void Main(string[] args)
string hexstr = “040000008200E00074C5B7101A82E0080000000622029301EB4592B71528F44A48D7”;
byte[] data = ConvertFromStringToHex(hexstr);
string base64 = Convert.ToBase64String(data);


public static byte[] ConvertFromStringToHex(string inputHex)
inputHex = inputHex.Replace(“-“, “”);

byte[] resultantArray = new byte[inputHex.Length / 2];
for (int i = 0; i < resultantArray.Length; i++)
resultantArray[i] = Convert.ToByte(inputHex.Substring(i * 2, 2), 16);
return resultantArray;


April 15, 2014 - Posted by | Uncategorized |

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