String - DecodeBase64

A string extension method that decode a Base64 String.

Try it

public static void Main()
{
	string str = "RW50aXR5RnJhbWV3b3Jr";

	// C# Extension Method: String - DecodeBase64
    string decodeBase64 = str.DecodeBase64();
	
	Console.WriteLine(decodeBase64);
}

View Source
using System;
using System.Text;

public static partial class Extensions
{
    /// <summary>
    ///     A string extension method that decode a Base64 String.
    /// </summary>
    /// <param name="this">The @this to act on.</param>
    /// <returns>The Base64 String decoded.</returns>
    public static string DecodeBase64(this string @this)
    {
        return Encoding.ASCII.GetString(Convert.FromBase64String(@this));
    }
}