encode / decode string to/from base64

encode-decode-to-base64.cs

//Encode
public static string Base64Encode(string plainText) {
  var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
  return System.Convert.ToBase64String(plainTextBytes);
}


//Decode
public static string Base64Decode(string base64EncodedData) {
  var base64EncodedBytes = System.Convert.FromBase64String(base64EncodedData);
  return System.Text.Encoding.UTF8.GetString(base64EncodedBytes);
}


//==============

//To encode:
public string EncodeStringToBase64(string stringToEncode)
{
    return Convert.ToBase64String(Encoding.UTF8.GetBytes(stringToEncode));
}


//To decode:
public string DecodeStringFromBase64(string stringToDecode)
{       
    return Encoding.UTF8.GetString(Convert.FromBase64String(stringToDecode));
}