Base64 serialization

Base64Extensions.cs

using System;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;

public static class Base64Extensions
{
    private static IFormatter GetFormatter()
    {
        return new BinaryFormatter();
    }

    public static string ToBase64String(object value)
    {
        byte[] data;
        if (value == null)
        {
            data = new byte[] { };
        }
        else
        {
            using (MemoryStream stream = new MemoryStream())
            {
                GetFormatter().Serialize(stream, value);
                data = stream.ToArray();
            }
        }
        return Convert.ToBase64String(data);
    }

    public static object FromBase64String(string value)
    {
        byte[] data = Convert.FromBase64String(value);
        if (data.Length == 0)
        {
            return null;
        }
        else
        {
            using (MemoryStream stream = new MemoryStream(data))
            {
                return GetFormatter().Deserialize(stream);
            }
        }
    }
}