Questions And Answers

More Tutorials

Calculate MD5 checksum for a file in C#

To calculate MD5 checksum of a file in C# you can create an object of MD5 vy using method Create() of class MD5 and then call ComputeHash() which accepts a stream as argument and return array of bytes as MD5.

Remember to include required namespaces: using System.Security.Cryptography, System.IO


using System;
using System.Security.Cryptography;
using System.IO;

public class Client
	public static void Main()
		string filename = @"C:\users\user\file.txt";
		using (var md5 = MD5.Create())
			using (var stream = File.OpenRead(filename))
				byte[] md5String =  md5.ComputeHash(stream);


In this page (written and validated by ) you learned about Calculate MD5 checksum for a file in C# . What's Next? If you are interested in completing C# tutorial, we encourage you simply to start here: C# Tutorial.

Incorrect info or code snippet? We take very seriously the accuracy of the information provided on our website. We also make sure to test all snippets and examples provided for each section. If you find any incorrect information, please send us an email about the issue:

Share On:

Mockstacks was launched to help beginners learn programming languages; the site is optimized with no Ads as, Ads might slow down the performance. We also don't track any personal information; we also don't collect any kind of data unless the user provided us a corrected information. Almost all examples have been tested. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. By using, you agree to have read and accepted our terms of use, cookies and privacy policy.