ComfyUI Extension: ComfyUI-DynamiCrafterWrapper

ComfyUI-DynamiCrafterWrapper Introduction

ComfyUI-DynamiCrafterWrapper is an extension designed to integrate the powerful capabilities of DynamiCrafter into the ComfyUI framework. DynamiCrafter is a state-of-the-art tool for animating open-domain images using video diffusion priors, allowing you to create dynamic and coherent animations from still images. This extension simplifies the process of using DynamiCrafter within ComfyUI, making it more accessible and efficient for AI artists.

Key Features:

• Seamless Integration: Easily incorporate DynamiCrafter's functionalities into ComfyUI.
• Memory Efficiency: Optimized to reduce VRAM usage, enabling higher resolution outputs with less memory.
• Customizable Workflows: Includes example workflows that can be tailored to your specific needs.
• Support for Multiple Models: Utilize different models for various animation styles and resolutions.

How ComfyUI-DynamiCrafterWrapper Works

ComfyUI-DynamiCrafterWrapper works by wrapping the core functionalities of DynamiCrafter into nodes that can be used within the ComfyUI environment. This allows you to create complex animation workflows by connecting different nodes, each representing a specific function or process in the animation pipeline.

Basic Principles:

1. Node-Based Workflow: Each function of DynamiCrafter is encapsulated in a node. You can connect these nodes to form a workflow that processes your input images and generates animations.
2. Model Integration: The extension supports various DynamiCrafter models, which can be loaded and used within the nodes to produce different animation effects.
3. Memory Management: The extension includes optimizations to manage VRAM usage effectively, allowing you to work with higher resolutions without running into memory issues.

ComfyUI-DynamiCrafterWrapper Features

1. Node-Based Integration

• Clip Vision and Clip Models: Use these nodes to integrate vision and clip models into your workflows, enhancing the quality and coherence of the animations.
• Example Workflows: Pre-built workflows are included to help you get started quickly. These can be customized to fit your specific needs.

2. Memory Optimization

• VRAM Management: The extension is optimized to use less VRAM, making it possible to generate high-resolution animations even on hardware with limited memory.
• Fp8 Option: Further reduce memory usage by 1-2GB using the Fp8 option, which can be enabled in the settings.

3. ToonCrafter Support

• ToonCrafter Node: A dedicated node for ToonCrafter, allowing you to create animations with a toon-like style. This node requires more VRAM, but the quality of the output is significantly higher.

ComfyUI-DynamiCrafterWrapper Models

The extension supports multiple models, each suited for different types of animations and resolutions:

Available Models:

1. DynamiCrafter1024:

• Resolution: 576x1024
• VRAM Usage: ~10GB
• Checkpoint:
• Use Case: High-resolution animations with detailed dynamics.

2. DynamiCrafter512_interp:

• Resolution: 320x512
• VRAM Usage: ~8GB
• Checkpoint:
• Use Case: Interpolation and looping animations with moderate resolution.

What's New with ComfyUI-DynamiCrafterWrapper

Recent Updates:

• Refactor Update: Improved integration with ComfyUI, better memory management, and new example workflows.
• ToonCrafter Support: Added a new node for ToonCrafter, enabling high-quality toon-style animations.

Troubleshooting ComfyUI-DynamiCrafterWrapper

Common Issues and Solutions:

1. High VRAM Usage:

• Solution: Enable the Fp8 option to reduce memory usage by 1-2GB. Lower the resolution if necessary.

2. Model Loading Errors:

• Solution: Ensure that the model checkpoints are correctly placed in the ComfyUI/models/checkpoints directory. Verify the model names match the expected format.

3. Workflow Compatibility:

• Solution: Update old workflows to be compatible with the new refactored nodes. Refer to the example workflows provided.

Frequently Asked Questions:

• Q: Can I use the extension without xformers?
• A: Yes, but using xformers is recommended for better memory management and full-quality results.
• Q: How do I reduce VRAM usage further?
• A: Lower the resolution of your output or enable the Fp8 option in the settings.

Learn More about ComfyUI-DynamiCrafterWrapper

Additional Resources:

• Project Page:
• Documentation: Detailed documentation and tutorials can be found on the .
• Community Support: Join the community forums and discussions on platforms like for support and collaboration. By leveraging the capabilities of ComfyUI-DynamiCrafterWrapper, you can create stunning animations from still images with ease, making it an invaluable tool for AI artists looking to enhance their creative workflows.