diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e68f0aa
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.vscode/
+obj/
+bin/
diff --git a/Program.cs b/Program.cs
new file mode 100644
index 0000000..032d81a
--- /dev/null
+++ b/Program.cs
@@ -0,0 +1,48 @@
+// Go into folder
+// Check if any file is in there
+// If there is a file. Calculate md5sum > filename.md5
+// If there is no file. Repeat
+public class Program {
+    static void Main(string[] args) {
+
+        // int getDirectoryCount() {
+        //     int folderCount = Directory.GetDirectories(Directory.GetCurrentDirectory()).Length; // Get folder count in current directory
+        //     return folderCount;
+        // }
+
+        int getFileCount() {
+            int fileCount = Directory.GetFiles(Directory.GetCurrentDirectory()).Length; // Get file count in current directory
+            return fileCount;
+        }
+
+        // string getParentFolder() {
+        //     string parentFolder = Directory.GetParent(Directory.GetCurrentDirectory()).ToString(); // Get parent folder of current directory
+        //     return parentFolder;
+        // }
+
+        string CalculateMD5(string filename) {
+            using (var md5 = System.Security.Cryptography.MD5.Create())
+            {
+                using (var stream = File.OpenRead(filename))
+                {
+                    var hash = md5.ComputeHash(stream);
+                    return BitConverter.ToString(hash).Replace("-", "").ToLowerInvariant();
+                }
+            }
+        }
+
+        foreach (var directory in Directory.GetDirectories(Directory.GetCurrentDirectory())) {
+            Directory.SetCurrentDirectory(directory);
+            if (getFileCount() >= 1) {
+                DirectoryInfo dir = new DirectoryInfo(Directory.GetCurrentDirectory());
+                FileInfo[] files = dir.GetFiles();
+                foreach (FileInfo file in files) {
+                    string fileName = file.Name;
+                    string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(fileName);
+                    string checksumFile = Directory.GetCurrentDirectory() + "/" + fileNameWithoutExtension + ".md5";
+                    File.AppendAllText(checksumFile, CalculateMD5(fileName) + "  " + fileName);
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/chksum.csproj b/chksum.csproj
new file mode 100644
index 0000000..518778e
--- /dev/null
+++ b/chksum.csproj
@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <PublishSingleFile>true</PublishSingleFile>
+    <SelfContained>true</SelfContained>
+    <RuntimeIdentifier>linux-x64</RuntimeIdentifier>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>