🇬🇧 PluginBuilder - A Tool for Unreal Engine Developers

PluginBuilder is a powerful and lightweight desktop tool built with Qt/C++, designed to fully automate the build, packaging, and export process of your Unreal Engine plugins.
Whether you target a single or multiple engine versions, PluginBuilder streamlines your workflow and produces clean output folders ready for publication on the Unreal Marketplace (Fab).

📖 Table of Contents

• ✨ Key Features
• 🎯 Why PluginBuilder?
• 🛠️ Built With
• 📚 Usage
• 📄 License
• 📧 Contact

✨ Key Features

• 🔧 Automatic builds for plugins targeting multiple Unreal Engine versions.
• 📦 Complete packaging pipeline with structured output folders.
• 🚀 One-click export ready for Fab publication.
• 📁 Automatic folder organization for build outputs.
• ⚙️ Fast, clean, and user-friendly interface developed with Qt.
• 🧩 Compatible with all plugin types (Blueprint, C++, hybrid).

🎯 Why PluginBuilder?

• Save significant time with every plugin update.
• Avoid build errors and manual operations.
• Fully automate your publication workflow.
• Standardize outputs for Fab or your clients.

🛠️ Built With

This project uses the following technologies:

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📚 Usage

Once the application launches, the main interface appears.
Below is a detailed guide to each section of the application.

1. Loading Window (LoadingWindow)

At startup, a loading window appears showing a progress bar while the application initializes and loads the required data.

2. Main Window (MainWindow)

This is the core interface of PluginBuilder.

• Unreal Engine Versions List (1): Displays all configured engine versions. Check the boxes for the versions you want to build your plugin with.

• Plugin Selection (2): Notification area showing updates or build completion messages.

• Action Buttons (3):

  • 🔍︎: Browse for your plugin’s .uplugin file.
  • Plugin Name: Name your plugin.
  • Plugin Version: Set your plugin version.
  • Build: Starts the build and packaging process for selected versions.
  • Edit: Opens the editing window.
    • Unreal Versions: Opens the Unreal Engine version management window.
    • Settings: Opens the application settings window.
  • About Us: Shows information about the development team.
  • Examples:
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• Log Area (4): Displays build logs, warnings, and status messages in real time — ideal for tracking the whole process.

3. Unreal Version Management (UnrealVersions)

This window allows you to add, edit, or remove Unreal Engine installations used by PluginBuilder for building.

• Add a New Version: Click Add new Unreal versions to create a new entry. Provide a name and the path to the Unreal Engine folder (for example, C:\Program Files\Epic Games\UE_5.4).
• Version List: Displays all configured engine versions, showing each version’s name (e.g., "UE 5.4") and install path.
• Save/Cancel: Use the buttons at the bottom to confirm or discard changes.
• Example:
  • 

4. Settings Window (Settings)

This section allows you to customize the behavior of the application.

• General Tab:
  • Plugin-dist: Set the output folder where built plugins will be stored.
  • Target Platform: Choose target platforms (Win64, Mac, Linux, etc.). Note: only the host platform is officially supported for now.
  • Notifications: Enable or disable event notifications (for example, build completion).
• UI Theme Tab: Customize the look of the application (feature in development).

5. About Window (AboutUs)

This window displays information about the Mecanes team, including links to Discord and the Unreal Marketplace page.

📄 License

This project is distributed under the MIT License. See the LICENSE file for more details.

📧 Contact

Github : PluginBuilder