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UltimateSDUpscale

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Last updated
2025-07-16

ComfyUI_UltimateSDUpscale is a collection of nodes designed for integrating the Ultimate Stable Diffusion Upscale script by Coyote-A into the ComfyUI environment. This tool enhances image upscaling capabilities, allowing users to leverage advanced features for better image quality and control.

  • Offers multiple node options, including specialized nodes for different upscaling scenarios.
  • Includes parameters tailored for custom sampling and tile management, enhancing flexibility in image processing.
  • Facilitates seamless integration with existing ComfyUI workflows, improving overall efficiency.

Context

This repository provides ComfyUI nodes that serve as a wrapper for the Ultimate Stable Diffusion Upscale script originally created by Coyote-A. The primary goal of this tool is to enhance the upscaling process within the ComfyUI framework, allowing users to access advanced features that improve image resolution and quality.

Key Features & Benefits

The tool includes several unique nodes that cater to different needs in the upscaling process. The main node, "Ultimate SD Upscale," retains most of the inputs from the original script, while additional nodes allow for operations without upscaling or with custom sampling configurations. These features enable users to tailor their workflows according to specific project requirements, ensuring maximum flexibility.

Advanced Functionalities

Among the advanced capabilities, the tool allows users to specify the upscale_by parameter to multiply the dimensions of the image. Moreover, the force_uniform_tiles option ensures that tile sizes remain consistent, which is crucial for maintaining quality during the sampling process. This flexibility empowers users to achieve more precise results based on their unique needs.

Practical Benefits

By integrating these nodes into ComfyUI, users can significantly enhance their workflows related to image upscaling. The tool not only improves control over the upscaling parameters but also streamlines the process, allowing for faster and more efficient image processing. This leads to higher quality outputs and a more effective use of the ComfyUI environment.

Credits/Acknowledgments

The original script was developed by Coyote-A, and this repository is maintained by contributors who have adapted it for use with ComfyUI. The tool is open-source, encouraging collaboration and further development within the community.