ComfyUI Model Download Manager

A robust, feature-rich Java Swing application designed to automate the process of identifying and downloading missing models for ComfyUI workflows. It bridges the gap between sharing a JSON workflow and having a fully functional local setup.

🚀 Key Features

🔍 Advanced JSON Parsing

• Recursive Traversal: Scans deeply nested structures, including subgraphs and custom node definitions.
• Filename Detection: Uses smart regex to find model files (.safetensors, .ckpt, .pt, etc.) inside widgets_values, inputs, and other string fields.
• Metadata Support: Automatically detects and prioritizes embedded model metadata (standard models array used by ComfyUI managers).

📥 Powerful Download Manager

• Resume Capability: Implements HTTP Range requests to continue interrupted downloads exactly where they left off.
• Queue Control: Start, Pause, Resume, and Stop functionality for full control over your bandwidth.
• Overwrite Protection: Interactive dialogs prevent accidental data loss by asking to Resume, Overwrite, or Skip existing files.
• Live Metrics: Real-time display of download speed (MB/s), percentage progress, and a global progress bar.

📂 Intelligent Sorting

• Automatic Path Mapping: Infers the correct subdirectory (e.g., checkpoints, loras, vae, controlnet) based on node types like LoraLoader or VAELoader.
• Customizable Base Path: Easily set your ComfyUI models root directory.

🛠️ Requirements

• Java 11 or higher
• Maven (for building from source)

🏗️ Installation & Build

1. Clone the repository:

   git clone https://github.com/thomaskippster/comfymodeldownloader.git
   cd comfymodeldownloader
   

2. Build the "Fat JAR" using Maven:

   mvn clean package
   

3. Locate the runnable JAR in the target/ directory: comfymodeldownloader-1.0-SNAPSHOT.jar

📖 How to Use

1. Launch: Start the application via java -jar target/comfymodeldownloader-1.0-SNAPSHOT.jar.
2. Setup Path: Enter or browse to your local ComfyUI models directory (e.g., C:\ComfyUI\models).
3. Provide Workflow:
   • Paste: Directly paste the content of your ComfyUI JSON file into the text area.
   • Load: Use the "Load File..." button to select a .json file from your disk.
4. Analyze: Click Analyze Models. The table will populate with detected models and their types.
5. Download:
   • Select models using the checkboxes.
   • Click Start Queue.
   • If a file exists, choose to Resume or Overwrite.

📜 License

This project is licensed under the MIT License - see the LICENSE file for details (or just use it freely!).

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Developed to make ComfyUI workflow sharing seamless.