GetPass is a free, open source, cross-platform library to read passwords in console applications masking the input. It simply focus on getting the job done, with zero-dependencies and few lines of code.

It is licensed under MIT License.

If you like this project please don't forget to star it on GitHub or let me know with a tweet.

Install the GetPass Nuget package.

using GetPass;

var password = ConsolePasswordReader.Read();

or if you want to customize the prompt message:

var password = ConsolePasswordReader.Read("Key: ");

using System;
using GetPass;

namespace Sample
{
    class Program
    {
        static void Main(string[] args)
        {
            var password = ConsolePasswordReader.Read();
            Console.Write(password);
            Console.WriteLine();
        }
    }
}

You can find the full example here.