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ComfyUI-AlphaFlatten

1

Last updated
2025-06-21

A custom node for ComfyUI, ComfyUI-AlphaFlatten enables users to merge a collection of images with alpha channels into a single composite image, akin to the flattening feature in Photoshop. This tool is particularly advantageous for integrating multiple masked elements while maintaining their transparency.

  • Supports the combination of images with alpha channels, ensuring realistic blending.
  • Offers various background options including black, white, transparent, and custom colors.
  • Efficiently processes batches of images, allowing for seamless integration of multiple layers.

Context

ComfyUI-AlphaFlatten is a specialized tool within the ComfyUI framework designed to merge a batch of RGBA images into one cohesive image. Its primary function is to facilitate the compositing of images with transparency, making it easier for users to create complex visuals without losing detail in the alpha channels.

Key Features & Benefits

This node allows for the merging of several images while carefully managing their transparency, which is crucial for creating realistic composites. The flexibility in background options means users can choose a suitable canvas for their final image, enhancing the creative process by allowing for more control over the output.

Advanced Functionalities

The node intelligently blends images based on their alpha channels, ensuring that later images in the batch overlay correctly over earlier ones, similar to layer management in traditional image editing software. This capability is essential for users looking to create intricate designs or compositions from multiple image sources.

Practical Benefits

By streamlining the process of combining images with alpha channels, ComfyUI-AlphaFlatten significantly enhances workflow efficiency in ComfyUI. Users can produce high-quality outputs with greater control over transparency and background settings, ultimately leading to more polished and professional results in their projects.

Credits/Acknowledgments

The tool is developed as part of the ComfyUI ecosystem, with contributions from various authors and the open-source community. It is shared under a license that encourages collaborative development and usage within the AI art space.