diff --git a/.gitignore b/.gitignore
index 9491a2f..1019e33 100644
--- a/.gitignore
+++ b/.gitignore
@@ -360,4 +360,5 @@ MigrationBackup/
 .ionide/
 
 # Fody - auto-generated XML schema
-FodyWeavers.xsd
\ No newline at end of file
+FodyWeavers.xsd
+/TestPrivateBinMarkdown
diff --git a/PrivateBinSharp.sln b/PrivateBinSharp.sln
index 466b88a..f0d01c2 100644
--- a/PrivateBinSharp.sln
+++ b/PrivateBinSharp.sln
@@ -3,7 +3,9 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.4.33403.182
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PrivateBinSharp", "PrivateBinSharp\PrivateBinSharp.csproj", "{45153CEC-DFAE-4623-809A-8D4BD2D811A3}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PrivateBinSharp", "PrivateBinSharp\PrivateBinSharp.csproj", "{45153CEC-DFAE-4623-809A-8D4BD2D811A3}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TestPrivateBinMarkdown", "TestPrivateBinMarkdown\TestPrivateBinMarkdown.csproj", "{47579373-3E2E-44DA-9C95-3EADB83448FD}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -15,6 +17,10 @@ Global
 		{45153CEC-DFAE-4623-809A-8D4BD2D811A3}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{45153CEC-DFAE-4623-809A-8D4BD2D811A3}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{45153CEC-DFAE-4623-809A-8D4BD2D811A3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{47579373-3E2E-44DA-9C95-3EADB83448FD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{47579373-3E2E-44DA-9C95-3EADB83448FD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{47579373-3E2E-44DA-9C95-3EADB83448FD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{47579373-3E2E-44DA-9C95-3EADB83448FD}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/PrivateBinSharp/PrivateBinClient.cs b/PrivateBinSharp/PrivateBinClient.cs
index d325f00..41a4240 100644
--- a/PrivateBinSharp/PrivateBinClient.cs
+++ b/PrivateBinSharp/PrivateBinClient.cs
@@ -50,18 +50,24 @@ public PrivateBinClient(string hostUrl)
 	/// </summary>
 	public static string Version => Assembly.GetExecutingAssembly().GetName().Version!.ToString(3);
 
-	/// <summary>
-	/// Create a paste that will be encrypted 
-	/// </summary>
-	/// <param name="text"></param>
-	/// <param name="password"></param>
-	/// <param name="expire"></param>
-	/// <param name="openDiscussion"></param>
-	/// <param name="burnAfterReading"></param>
-	/// <returns></returns>
-	/// <exception cref="ArgumentException"></exception>
-	/// <exception cref="Exception"></exception>
-	public async Task<Paste> CreatePaste(string text, string password, string expire = "5min", bool openDiscussion = false, bool burnAfterReading = false)
+    /// <summary>
+    /// Create a paste that will be encrypted 
+    /// </summary>
+    /// <param name="text"></param>
+    /// <param name="password"></param>
+    /// <param name="expire"></param>
+    /// <param name="openDiscussion"></param>
+    /// <param name="burnAfterReading"></param>
+    /// <param name="format"></param>
+    /// <returns></returns>
+    /// <exception cref="ArgumentException"></exception>
+    /// <exception cref="Exception"></exception>
+    public async Task<Paste> CreatePaste(string text, 
+		string password, 
+		string expire = "5min", 
+		bool openDiscussion = false, 
+		bool burnAfterReading = false,
+        string format = "plaintext")
 	{
 		if (string.IsNullOrEmpty(text))
 			throw new ArgumentException("Paste text can't be empty.");
@@ -87,14 +93,14 @@ public async Task<Paste> CreatePaste(string text, string password, string expire
 		Tuple<PasteJson, byte[]> Json;
 		try
 		{
-			Json = GeneratePasteData(text, password, expire, openDiscussion, burnAfterReading);
+            Json = GeneratePasteData(text, password, expire, openDiscussion, burnAfterReading, format);
 		}
 		catch (Exception ex)
 		{
 			throw new Exception("Failed to generate encrypted data, " + ex.Message);
 		}
 
-		string body = Newtonsoft.Json.JsonConvert.SerializeObject(Json.Item1);
+        string body = Newtonsoft.Json.JsonConvert.SerializeObject(Json.Item1);
 		HttpRequestMessage Req = new HttpRequestMessage(HttpMethod.Post, HostURL)
 		{
 			Content = new StringContent(body, Encoding.UTF8)
@@ -146,7 +152,12 @@ public async Task<Paste> CreatePaste(string text, string password, string expire
 		};
 	}
 
-	private static Tuple<PasteJson, byte[]> GeneratePasteData(string text, string password, string expire, bool openDiscussion, bool burnAfterReading)
+	private static Tuple<PasteJson, byte[]> GeneratePasteData(string text, 
+		string password, 
+		string expire, 
+		bool openDiscussion, 
+		bool burnAfterReading,
+		string format)
 	{
 		SecureRandom rng = new();
 
@@ -178,8 +189,11 @@ private static Tuple<PasteJson, byte[]> GeneratePasteData(string text, string pa
 		string compressionType = "none";
 		int _openDiscussion = openDiscussion ? 1 : 0;
 		int _burnAfterReading = burnAfterReading ? 1 : 0;
+        byte[] _format = Array.Empty<byte>();
+        if (!string.IsNullOrEmpty(format))
+            _format = UTF8Encoding.UTF8.GetBytes(format);
 
-		object[] pasteMetaObj = new object[]
+        object[] pasteMetaObj = new object[]
 		{
 			new object[]
 			{
@@ -192,7 +206,7 @@ private static Tuple<PasteJson, byte[]> GeneratePasteData(string text, string pa
 				cipherMode,
 				compressionType
 			},
-			"plaintext",
+			format,
 			_openDiscussion,
 			_burnAfterReading
 		};
diff --git a/PrivateBinSharp/PrivateBinSharp.xml b/PrivateBinSharp/PrivateBinSharp.xml
index 93f0679..78c7540 100644
--- a/PrivateBinSharp/PrivateBinSharp.xml
+++ b/PrivateBinSharp/PrivateBinSharp.xml
@@ -1494,7 +1494,7 @@
             Version of the current PrivateBinSharp lib installed.
             </summary>
         </member>
-        <member name="M:PrivateBinSharp.PrivateBinClient.CreatePaste(System.String,System.String,System.String,System.Boolean,System.Boolean)">
+        <member name="M:PrivateBinSharp.PrivateBinClient.CreatePaste(System.String,System.String,System.String,System.Boolean,System.Boolean,System.String)">
             <summary>
             Create a paste that will be encrypted 
             </summary>
@@ -1503,6 +1503,7 @@
             <param name="expire"></param>
             <param name="openDiscussion"></param>
             <param name="burnAfterReading"></param>
+            <param name="format"></param>
             <returns></returns>
             <exception cref="T:System.ArgumentException"></exception>
             <exception cref="T:System.Exception"></exception>