diff --git a/SharpSite.sln b/SharpSite.sln
index 7ed7ff9..9782609 100644
--- a/SharpSite.sln
+++ b/SharpSite.sln
@@ -56,6 +56,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharpSite.E2E", "e2e\SharpS
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharpSite.Tests.Plugins", "tests\SharpSite.Tests.Plugins\SharpSite.Tests.Plugins.csproj", "{6B629CEE-5AAC-4885-89C6-7BED9DA7CF2C}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharpSite.PluginPacker", "src\SharpSite.PluginPacker\SharpSite.PluginPacker.csproj", "{677B59E7-C4BA-4024-84D7-78CE6985F3F5}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "2. Tools", "2. Tools", "{78F974E0-8074-0543-93D5-DC2AAC8BF3DF}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -126,6 +130,10 @@ Global
 		{6B629CEE-5AAC-4885-89C6-7BED9DA7CF2C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{6B629CEE-5AAC-4885-89C6-7BED9DA7CF2C}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{6B629CEE-5AAC-4885-89C6-7BED9DA7CF2C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{677B59E7-C4BA-4024-84D7-78CE6985F3F5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{677B59E7-C4BA-4024-84D7-78CE6985F3F5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{677B59E7-C4BA-4024-84D7-78CE6985F3F5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{677B59E7-C4BA-4024-84D7-78CE6985F3F5}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -147,6 +155,7 @@ Global
 		{BA24379C-40D5-5EDF-63BE-CE5BC727E45D} = {3266CA51-9816-4037-9715-701EB6C2928A}
 		{EFCFB571-6B0C-35CD-6664-160CA5B39244} = {8779454A-1F9C-4705-8EE0-5980C6B9C2A5}
 		{6B629CEE-5AAC-4885-89C6-7BED9DA7CF2C} = {3266CA51-9816-4037-9715-701EB6C2928A}
+		{677B59E7-C4BA-4024-84D7-78CE6985F3F5} = {78F974E0-8074-0543-93D5-DC2AAC8BF3DF}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {62A15C13-360B-4791-89E9-1FDDFE483970}
diff --git a/src/SharpSite.PluginPacker/ArgumentParser.cs b/src/SharpSite.PluginPacker/ArgumentParser.cs
new file mode 100644
index 0000000..545f6c3
--- /dev/null
+++ b/src/SharpSite.PluginPacker/ArgumentParser.cs
@@ -0,0 +1,25 @@
+namespace SharpSite.PluginPacker;
+
+public static class ArgumentParser
+{
+	public static (string? inputPath, string? outputPath) ParseArguments(string[] args)
+	{
+		string? inputPath = null;
+		string? outputPath = null;
+		for (int i = 0; i < args.Length; i++)
+		{
+			switch (args[i])
+			{
+				case "-i":
+				case "--input":
+					if (i + 1 < args.Length) inputPath = args[++i];
+					break;
+				case "-o":
+				case "--output":
+					if (i + 1 < args.Length) outputPath = args[++i];
+					break;
+			}
+		}
+		return (inputPath, outputPath);
+	}
+}
diff --git a/src/SharpSite.PluginPacker/ManifestHandler.cs b/src/SharpSite.PluginPacker/ManifestHandler.cs
new file mode 100644
index 0000000..597dc8a
--- /dev/null
+++ b/src/SharpSite.PluginPacker/ManifestHandler.cs
@@ -0,0 +1,40 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using SharpSite.Plugins;
+
+namespace SharpSite.PluginPacker;
+
+public static class ManifestHandler
+{
+	private static readonly JsonSerializerOptions _Opts = new()
+	{
+		WriteIndented = true,
+		Converters = { new JsonStringEnumConverter() }
+	};
+
+	public static PluginManifest? LoadOrCreateManifest(string inputPath)
+	{
+		string manifestPath = Path.Combine(inputPath, "manifest.json");
+		PluginManifest? manifest;
+		if (!File.Exists(manifestPath))
+		{
+			Console.WriteLine($"manifest.json not found in {inputPath}.");
+			Console.WriteLine("Let's create one interactively.");
+			manifest = ManifestPrompter.PromptForManifest();
+			var json = JsonSerializer.Serialize(manifest, _Opts);
+			File.WriteAllText(manifestPath, json);
+			Console.WriteLine($"Created manifest.json at {manifestPath}");
+		}
+		else
+		{
+			var json = File.ReadAllText(manifestPath);
+			manifest = JsonSerializer.Deserialize<PluginManifest>(json, _Opts);
+			if (manifest is null)
+			{
+				Console.WriteLine("Failed to parse manifest.json");
+				return null;
+			}
+		}
+		return manifest;
+	}
+}
diff --git a/src/SharpSite.PluginPacker/ManifestPrompter.cs b/src/SharpSite.PluginPacker/ManifestPrompter.cs
new file mode 100644
index 0000000..6ae49b4
--- /dev/null
+++ b/src/SharpSite.PluginPacker/ManifestPrompter.cs
@@ -0,0 +1,69 @@
+using SharpSite.Plugins;
+
+namespace SharpSite.PluginPacker;
+
+public static class ManifestPrompter
+{
+	private static string PromptRequired(string label)
+	{
+		string? value;
+		do
+		{
+			Console.Write($"{label}: ");
+			value = Console.ReadLine()?.Trim();
+			if (string.IsNullOrWhiteSpace(value))
+			{
+				Console.WriteLine($"{label} is required.");
+			}
+		} while (string.IsNullOrWhiteSpace(value));
+		return value;
+	}
+
+	public static PluginManifest PromptForManifest()
+	{
+		var id = PromptRequired("Id");
+		var displayName = PromptRequired("DisplayName");
+		var description = PromptRequired("Description");
+		var version = PromptRequired("Version");
+		var published = PromptRequired("Published (yyyy-MM-dd)");
+		var supportedVersions = PromptRequired("SupportedVersions");
+		var author = PromptRequired("Author");
+		var contact = PromptRequired("Contact");
+		var contactEmail = PromptRequired("ContactEmail");
+		var authorWebsite = PromptRequired("AuthorWebsite");
+		
+		// Optional fields
+		Console.Write("Icon (URL): ");
+		var icon = (Console.ReadLine() ?? "").Trim();
+		Console.Write("Source (repository URL): ");
+		var source = (Console.ReadLine() ?? "").Trim();
+		Console.Write("KnownLicense (e.g. MIT, Apache, LGPL): ");
+		var knownLicense = (Console.ReadLine() ?? "").Trim();
+		Console.Write("Tags (comma separated): ");
+		var tagsStr = (Console.ReadLine() ?? "").Trim();
+		var tags = tagsStr.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+		
+		Console.Write("Features (comma separated, e.g. Theme,FileStorage): ");
+		var featuresStr = (Console.ReadLine() ?? "").Trim();
+		var features = featuresStr.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+		var featureEnums = features.Length > 0 ? Array.ConvertAll(features, f => Enum.Parse<PluginFeatures>(f, true)) : [];
+		return new PluginManifest
+		{
+			Id = id,
+			DisplayName = displayName,
+			Description = description,
+			Version = version,
+			Icon = string.IsNullOrWhiteSpace(icon) ? null : icon,
+			Published = published,
+			SupportedVersions = supportedVersions,
+			Author = author,
+			Contact = contact,
+			ContactEmail = contactEmail,
+			AuthorWebsite = authorWebsite,
+			Source = string.IsNullOrWhiteSpace(source) ? null : source,
+			KnownLicense = string.IsNullOrWhiteSpace(knownLicense) ? null : knownLicense,
+			Tags = tags.Length > 0 ? tags : null,
+			Features = featureEnums
+		};
+	}
+}
diff --git a/src/SharpSite.PluginPacker/PluginPackager.cs b/src/SharpSite.PluginPacker/PluginPackager.cs
new file mode 100644
index 0000000..b08ad36
--- /dev/null
+++ b/src/SharpSite.PluginPacker/PluginPackager.cs
@@ -0,0 +1,142 @@
+using System.Diagnostics;
+using System.IO.Compression;
+using SharpSite.Plugins;
+
+namespace SharpSite.PluginPacker;
+
+public static class PluginPackager
+{
+	public static bool PackagePlugin(string inputPath, string outputPath)
+	{
+		// Load manifest
+		var manifest = ManifestHandler.LoadOrCreateManifest(inputPath);
+		if (manifest is null)
+		{
+			Console.WriteLine("Manifest not found or invalid.");
+			return false;
+		}
+
+		// Create temp build output folder
+		string tempBuildDir = Path.Combine(Path.GetTempPath(), "SharpSitePluginBuild_" + Guid.NewGuid().ToString("N"));
+		Directory.CreateDirectory(tempBuildDir);
+
+		// Build the project in Release mode to temp build folder
+		if (!BuildProject(inputPath, tempBuildDir))
+		{
+			Console.WriteLine("Build failed.");
+			try { if (Directory.Exists(tempBuildDir)) Directory.Delete(tempBuildDir, true); } catch { }
+			return false;
+		}
+
+		// Create temp folder for packaging
+		string tempDir = Path.Combine(Path.GetTempPath(), "SharpSitePluginPack_" + Guid.NewGuid().ToString("N"));
+		Directory.CreateDirectory(tempDir);
+		try
+		{
+			// Copy DLL to lib/ and rename
+			CopyAndRenameDll(inputPath, tempBuildDir, tempDir, manifest);
+
+			// If Theme, copy .css from wwwroot/ to web/
+			if (manifest.Features.Contains(PluginFeatures.Theme))
+			{
+				CopyThemeCssFiles(inputPath, tempDir);
+			}
+			// Copy manifest.json and other required files
+			CopyRequiredFiles(inputPath, tempDir);
+		// Zip tempDir to outputPath - use proper naming convention ID@VERSION.sspkg
+		// outputPath is always a directory, generate the filename from manifest
+		string outFile = Path.Combine(outputPath, $"{manifest.IdVersionToString()}.sspkg");
+
+		// Ensure the output directory exists
+		if (!Directory.Exists(outputPath))
+		{
+			Directory.CreateDirectory(outputPath);
+		}
+
+			if (File.Exists(outFile)) File.Delete(outFile);
+			ZipFile.CreateFromDirectory(tempDir, outFile);
+			Console.WriteLine($"Plugin packaged successfully: {outFile}");
+			return true;
+		}
+		catch (Exception ex)
+		{
+			Console.WriteLine($"Packaging failed: {ex.Message}");
+			return false;
+		}
+		finally
+		{
+			// Clean up temp folder
+			try { if (Directory.Exists(tempDir)) Directory.Delete(tempDir, true); } catch { }
+			try { if (Directory.Exists(tempBuildDir)) Directory.Delete(tempBuildDir, true); } catch { }
+		}
+	}
+
+	private static void CopyAndRenameDll(string inputPath, string tempBuildDir, string tempDir, PluginManifest manifest)
+	{
+		string libDir = Path.Combine(tempDir, "lib");
+		Directory.CreateDirectory(libDir);
+		string projectName = new DirectoryInfo(inputPath).Name;
+		string dllSource = Path.Combine(tempBuildDir, projectName + ".dll");
+		string dllTarget = Path.Combine(libDir, manifest.Id + ".dll");
+		if (!File.Exists(dllSource))
+		{
+			throw new FileNotFoundException($"DLL not found: {dllSource}");
+		}
+		File.Copy(dllSource, dllTarget, overwrite: true);
+	}
+
+	private static void CopyThemeCssFiles(string inputPath, string tempDir)
+	{
+		string webSrc = Path.Combine(inputPath, "wwwroot");
+		string webDst = Path.Combine(tempDir, "web");
+		if (Directory.Exists(webSrc))
+		{
+			Directory.CreateDirectory(webDst);
+			foreach (var css in Directory.GetFiles(webSrc, "*.css", SearchOption.AllDirectories))
+			{
+				string dest = Path.Combine(webDst, Path.GetFileName(css));
+				File.Copy(css, dest, overwrite: true);
+			}
+		}
+	}
+
+	private static void CopyRequiredFiles(string inputPath, string tempDir)
+	{
+		string[] requiredFiles = ["manifest.json", "LICENSE", "README.md", "Changelog.txt"];
+		foreach (var file in requiredFiles)
+		{
+			string src = Path.Combine(inputPath, file);
+			if (File.Exists(src))
+			{
+				File.Copy(src, Path.Combine(tempDir, file), overwrite: true);
+			}
+		}
+	}
+
+	private static bool BuildProject(string inputPath, string outputPath)
+	{
+		var psi = new ProcessStartInfo
+		{
+			FileName = "dotnet",
+			Arguments = $"build --configuration Release --output \"{outputPath}\"",
+			WorkingDirectory = inputPath,
+			RedirectStandardOutput = true,
+			RedirectStandardError = true,
+			UseShellExecute = false,
+			CreateNoWindow = true
+		};
+		using var proc = Process.Start(psi);
+		if (proc is null)
+		{
+			Console.WriteLine("Failed to start build process.");
+			return false;
+		}
+		proc.WaitForExit();
+		if (proc.ExitCode != 0)
+		{
+			Console.WriteLine(proc.StandardError.ReadToEnd());
+			return false;
+		}
+		return true;
+	}
+}
diff --git a/src/SharpSite.PluginPacker/Program.cs b/src/SharpSite.PluginPacker/Program.cs
new file mode 100644
index 0000000..6e6d78d
--- /dev/null
+++ b/src/SharpSite.PluginPacker/Program.cs
@@ -0,0 +1,45 @@
+using SharpSite.PluginPacker;
+
+(string? inputPath, string? outputPath) = ArgumentParser.ParseArguments(args);
+
+if (string.IsNullOrWhiteSpace(inputPath))
+{
+	Console.WriteLine("Usage: SharpSite.PluginPacker -i <input-folder> [-o <output-folder>]");
+	Console.WriteLine("  -i, --input   Input folder containing the plugin project");
+	Console.WriteLine("  -o, --output  Output directory (optional, defaults to current directory)");
+	Console.WriteLine();
+	Console.WriteLine("The output filename will be automatically generated as: ID@VERSION.sspkg");
+	return 1;
+}
+
+// Default to current directory if no output path specified
+outputPath = string.IsNullOrWhiteSpace(outputPath) ? Directory.GetCurrentDirectory() : outputPath;
+
+if (!Directory.Exists(inputPath))
+{
+	Console.WriteLine($"Input directory '{inputPath}' does not exist.");
+	return 1;
+}
+
+// Validate that output path is a directory, not a file
+if (File.Exists(outputPath))
+{
+	Console.WriteLine($"Error: Output path '{outputPath}' points to a file. Please specify a directory.");
+	return 1;
+}
+
+var manifest = ManifestHandler.LoadOrCreateManifest(inputPath);
+if (manifest is null)
+{
+	Console.WriteLine("Failed to load or create manifest.");
+	return 1;
+}
+Console.WriteLine($"Loaded manifest for {manifest.DisplayName} ({manifest.Id})");
+
+if (!PluginPackager.PackagePlugin(inputPath, outputPath))
+{
+	Console.WriteLine("Packaging failed.");
+	return 1;
+}
+
+return 0;
diff --git a/src/SharpSite.PluginPacker/SharpSite.PluginPacker.csproj b/src/SharpSite.PluginPacker/SharpSite.PluginPacker.csproj
new file mode 100644
index 0000000..6d9085a
--- /dev/null
+++ b/src/SharpSite.PluginPacker/SharpSite.PluginPacker.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <ItemGroup>
+    <ProjectReference Include="..\SharpSite.Plugins\SharpSite.Plugins.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>