spacepxl-ComfyUI-VAE-Utils/README.md

Nodes for loading and using VAEs in ways not supported by base ComfyUI. Currently supports Wan upscale VAE, more may be added later as needed.

Install

cd custom_nodes
git clone https://github.com/spacepxl/ComfyUI-VAE-Utils

That's it! No extra requirements outside of what ComfyUI already uses.

Nodes

Load VAE (VAE Utils)

Direct replacement for native Load VAE node, but with added input/output channel detection for Wan2.1 VAE

VAE Decode (VAE Utils)

Decode latents with optional auto detected upscaling, and optional tiling

Workflows

workflow/workflow_wan_t2i_upscale2x.png

IMPORTANT

To use native VAE decoding with latents from kijai/ComfyUI-WanVideoWrapper, you need to un-normalize the latents first using this node: