diff --git a/.editorconfig b/.editorconfig
index 49e65e1..8225c31 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -34,3 +34,15 @@ insert_final_newline = true
 # Use tabs for indentation (Makefiles require tabs)
 indent_style = tab
 indent_size = 2
+
+###############################
+# .NET C# Coding Conventions  #
+###############################
+
+[*.cs]
+#IDE1006
+dotnet_naming_style.camel_case.capitalization = camel_case
+dotnet_naming_symbols.private_symbols.applicable_accessibilities = private
+dotnet_naming_rule.camel_case_for_private.severity = warning
+dotnet_naming_rule.camel_case_for_private.symbols  = private_symbols
+dotnet_naming_rule.camel_case_for_private.style = camel_case
diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index 2329d08..df17512 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -31,5 +31,7 @@ jobs:
       run: dotnet restore
     - name: Build
       run: dotnet build --no-restore
+    - name: Lint (codestyle)
+      run: dotnet format --verify-no-changes --verbosity normal
     - name: Test
       run: dotnet test --no-build --verbosity normal
diff --git a/.github/workflows/markdown-lint.yml b/.github/workflows/markdown-lint.yml
index c018ea6..342dd72 100644
--- a/.github/workflows/markdown-lint.yml
+++ b/.github/workflows/markdown-lint.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node-version: [20.x]
+        node-version: [22.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 870dafe..6120401 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -2,5 +2,7 @@
     "sonarlint.connectedMode.project": {
         "connectionId": "sir-gon",
         "projectKey": "sir-gon_algorithm-exercises-csharp"
-    }
+    },
+    "editor.defaultFormatter": "ms-dotnettools.csdevkit",
+    "editor.formatOnSave": true
 }
diff --git a/Makefile b/Makefile
index 86b8836..6ba704e 100644
--- a/Makefile
+++ b/Makefile
@@ -74,6 +74,10 @@ lint: test/static test/styling mdlint
 test/static: dependencies
 
 test/styling: dependencies
+	${PACKAGE_TOOL} format --verify-no-changes --verbosity ${VERBOSITY_LEVEL}
+
+format:
+	${PACKAGE_TOOL} format --verbosity ${VERBOSITY_LEVEL}
 
 build: env dependencies
 	${PACKAGE_TOOL} build --verbosity ${VERBOSITY_LEVEL}
diff --git a/algorithm-exercises-csharp-test/src/hackerrank/projecteuler/Euler001.Test.cs b/algorithm-exercises-csharp-test/src/hackerrank/projecteuler/Euler001.Test.cs
index ab99670..8c8d77e 100644
--- a/algorithm-exercises-csharp-test/src/hackerrank/projecteuler/Euler001.Test.cs
+++ b/algorithm-exercises-csharp-test/src/hackerrank/projecteuler/Euler001.Test.cs
@@ -3,15 +3,16 @@ namespace algorithm_exercises_csharp.hackerrank.prohecteuler;
 [TestClass]
 public class Euler001Test
 {
-  public class Euler001TestCase {
+  public class Euler001TestCase
+  {
     public int a; public int b; public int n; public int answer;
   }
 
   // dotnet_style_readonly_field = true
   private static readonly Euler001TestCase[] tests = [
-    new() { a = 3, b = 5, n = 10, answer = 23},
-    new() { a = 3, b = 5, n = 100, answer = 2318},
-    new() { a = 3, b = 5, n = 1000, answer = 233168},
+    new() { a = 3, b = 5, n = 10, answer = 23 },
+    new() { a = 3, b = 5, n = 100, answer = 2318 },
+    new() { a = 3, b = 5, n = 1000, answer = 233168 },
 
   ];
 
@@ -20,9 +21,10 @@ public void Euler001ProblemTest()
   {
     int result;
 
-    foreach (Euler001TestCase test in tests) {
+    foreach (Euler001TestCase test in tests)
+    {
       result = Euler001Problem.Euler001(test.a, test.b, test.n);
-        Assert.AreEqual(test.answer, result);
+      Assert.AreEqual(test.answer, result);
     }
   }
 }
diff --git a/algorithm-exercises-csharp-test/src/hackerrank/projecteuler/Euler002.Test.cs b/algorithm-exercises-csharp-test/src/hackerrank/projecteuler/Euler002.Test.cs
index 572cd81..7e2f0dd 100644
--- a/algorithm-exercises-csharp-test/src/hackerrank/projecteuler/Euler002.Test.cs
+++ b/algorithm-exercises-csharp-test/src/hackerrank/projecteuler/Euler002.Test.cs
@@ -3,14 +3,15 @@ namespace algorithm_exercises_csharp.hackerrank.prohecteuler;
 [TestClass]
 public class Euler002Test
 {
-  public class Euler002TestCase {
+  public class Euler002TestCase
+  {
     public int n; public int answer;
   }
 
   // dotnet_style_readonly_field = true
   private static readonly Euler002TestCase[] tests = [
-    new() { n = 10, answer = 10},
-    new() { n = 100, answer = 44}
+    new() { n = 10, answer = 10 },
+    new() { n = 100, answer = 44 }
   ];
 
   [TestMethod]
@@ -18,9 +19,10 @@ public void Euler002ProblemTest()
   {
     int result;
 
-    foreach (Euler002TestCase test in tests) {
+    foreach (Euler002TestCase test in tests)
+    {
       result = Euler002Problem.Euler002(test.n);
-        Assert.AreEqual(test.answer, result);
+      Assert.AreEqual(test.answer, result);
     }
   }
 }
diff --git a/algorithm-exercises-csharp-test/src/hackerrank/projecteuler/Euler003.Test.cs b/algorithm-exercises-csharp-test/src/hackerrank/projecteuler/Euler003.Test.cs
index ce5a5f2..371ed2e 100644
--- a/algorithm-exercises-csharp-test/src/hackerrank/projecteuler/Euler003.Test.cs
+++ b/algorithm-exercises-csharp-test/src/hackerrank/projecteuler/Euler003.Test.cs
@@ -8,15 +8,16 @@ namespace algorithm_exercises_csharp.hackerrank.prohecteuler;
 [TestClass]
 public class Euler003Test
 {
-  public class Euler003TestCase {
+  public class Euler003TestCase
+  {
     public int n; public int? answer;
   }
 
   // dotnet_style_readonly_field = true
   private static readonly Euler003TestCase[] tests = [
-    new() { n = 1, answer = null},
-    new() { n = 10, answer = 5},
-    new() { n = 17, answer = 17}
+    new() { n = 1, answer = null },
+    new() { n = 10, answer = 5 },
+    new() { n = 17, answer = 17 }
   ];
 
   [TestMethod]
@@ -24,7 +25,8 @@ public void Euler003ProblemTest()
   {
     int? result;
 
-    foreach (Euler003TestCase test in tests) {
+    foreach (Euler003TestCase test in tests)
+    {
       result = Euler003Problem.Euler003(test.n);
       Assert.AreEqual(test.answer, result);
     }
diff --git a/algorithm-exercises-csharp/src/Hello.cs b/algorithm-exercises-csharp/src/Hello.cs
index 71fd8ca..bd49008 100644
--- a/algorithm-exercises-csharp/src/Hello.cs
+++ b/algorithm-exercises-csharp/src/Hello.cs
@@ -7,14 +7,15 @@ public class HelloWorld
   const string message = "Hello World!";
 
   [ExcludeFromCodeCoverage]
-  protected HelloWorld() {}
+  protected HelloWorld() { }
 
   public static string Hello()
   {
     return HelloWorld.message;
   }
 
-  public static HelloWorld Create() {
+  public static HelloWorld Create()
+  {
     return new HelloWorld();
   }
 }
diff --git a/algorithm-exercises-csharp/src/hackerrank/projecteuler/Euler001.cs b/algorithm-exercises-csharp/src/hackerrank/projecteuler/Euler001.cs
index e22f194..58c5266 100644
--- a/algorithm-exercises-csharp/src/hackerrank/projecteuler/Euler001.cs
+++ b/algorithm-exercises-csharp/src/hackerrank/projecteuler/Euler001.cs
@@ -7,9 +7,10 @@ namespace algorithm_exercises_csharp.hackerrank.prohecteuler;
 public class Euler001Problem
 {
   [ExcludeFromCodeCoverage]
-  protected Euler001Problem() {}
+  protected Euler001Problem() { }
 
-  public static int SuOfArithmeticProgression(int n, int d) {
+  public static int SuOfArithmeticProgression(int n, int d)
+  {
     int new_n = n / d;
 
     return new_n * (1 + new_n) * d / 2;
@@ -19,7 +20,7 @@ public static int GCD(int u, int v)
   {
     if (v != 0)
     {
-        return GCD(v, u % v);
+      return GCD(v, u % v);
     }
     return u;
   }
diff --git a/algorithm-exercises-csharp/src/hackerrank/projecteuler/Euler002.cs b/algorithm-exercises-csharp/src/hackerrank/projecteuler/Euler002.cs
index fa5a966..b70b7a4 100644
--- a/algorithm-exercises-csharp/src/hackerrank/projecteuler/Euler002.cs
+++ b/algorithm-exercises-csharp/src/hackerrank/projecteuler/Euler002.cs
@@ -7,22 +7,25 @@ namespace algorithm_exercises_csharp.hackerrank.prohecteuler;
 public class Euler002Problem
 {
   [ExcludeFromCodeCoverage]
-  protected Euler002Problem() {}
+  protected Euler002Problem() { }
 
-  public static int FiboEvenSum(int n) {
+  public static int FiboEvenSum(int n)
+  {
     int total = 0;
     int fibo;
     int fibo1 = 1;
     int fibo2 = 1;
 
-    while (fibo1 + fibo2 < n) {
-        fibo = fibo1 + fibo2;
-        fibo1 = fibo2;
-        fibo2 = fibo;
+    while (fibo1 + fibo2 < n)
+    {
+      fibo = fibo1 + fibo2;
+      fibo1 = fibo2;
+      fibo2 = fibo;
 
-        if(fibo % 2 == 0) {
-            total += fibo;
-        }
+      if (fibo % 2 == 0)
+      {
+        total += fibo;
+      }
     }
 
     return total;
diff --git a/algorithm-exercises-csharp/src/hackerrank/projecteuler/Euler003.cs b/algorithm-exercises-csharp/src/hackerrank/projecteuler/Euler003.cs
index 884a2e2..a46a74a 100644
--- a/algorithm-exercises-csharp/src/hackerrank/projecteuler/Euler003.cs
+++ b/algorithm-exercises-csharp/src/hackerrank/projecteuler/Euler003.cs
@@ -7,10 +7,12 @@ namespace algorithm_exercises_csharp.hackerrank.prohecteuler;
 public class Euler003Problem
 {
   [ExcludeFromCodeCoverage]
-  protected Euler003Problem() {}
+  protected Euler003Problem() { }
 
-  public static int? PrimeFactor(int n) {
-    if (n < 2) {
+  public static int? PrimeFactor(int n)
+  {
+    if (n < 2)
+    {
       return null;
     }
 
@@ -18,16 +20,21 @@ protected Euler003Problem() {}
     int? max_prime_factor = null;
 
     int i = 2;
-    while (i <= Math.Sqrt(divisor)) {
-        if (0 == divisor % i) {
-            divisor = divisor / i;
-            max_prime_factor = divisor;
-        } else {
-          i += 1;
-        }
+    while (i <= Math.Sqrt(divisor))
+    {
+      if (0 == divisor % i)
+      {
+        divisor = divisor / i;
+        max_prime_factor = divisor;
+      }
+      else
+      {
+        i += 1;
+      }
     }
 
-    if (max_prime_factor is null) {
+    if (max_prime_factor is null)
+    {
       return n;
     }