ComfyUI Extension: ComfyUI-Qwen-Aspect-Ratio

Authored by Verolelb

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A node to provide recommended aspect ratios for the Qwen model series.

Custom Nodes (0)

    README

    Qwen Aspect Ratio Selector (Latent) - ComfyUI Node

    A simple ComfyUI custom node to select aspect ratios optimized for Qwen Image, calculate the correct resolution, and output a ready-to-use empty latent.

    Features

    • 24 predefined aspect ratios (portrait, landscape, cinematic, ultrawide…)
    • Native Qwen resolution (1328 px longest side)
    • Scale output size by percentage
    • Outputs both width/height and a ready-to-use LATENT

    Installation

    Manual

    1. Copy qwen_aspect_ratio_latent.py into your ComfyUI/custom_nodes folder.
    2. Restart ComfyUI.
    3. Look for "Qwen Aspect Ratio Selector (Latent)" in the Qwen Utils category.

    With ComfyUI Manager

    1. Open ComfyUI.
    2. Go to Manager → Install Custom Node.
    3. Paste this repo URL:

    https://github.com/Verolelb/ComfyUI-Qwen-Aspect-Ratio

    1. Install and restart.

    Parameters

    • aspect_ratio : Choose from 1:1, 16:9, 21:9, etc.
    • scale_percent : Increase or decrease the resolution while keeping the ratio.
    • batch_size : Number of images in the latent.

    License

    MIT License

    No extra dependencies required