Kevin Driedger Kevin Driedger - 3 months ago 17
C# Question

How do I encode and decode a base64 string?


  1. How do I return a base64 encoded string given a string?

  2. How do I decode a base64 encoded string into a string?


Answer

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);
}