ComfyUI > Nodes > ComfyUI > FluxKontextImageScale

ComfyUI Node: FluxKontextImageScale

Class Name

FluxKontextImageScale

Category
advanced/conditioning/flux
Author
ComfyAnonymous (Account age: 763days)
Extension
ComfyUI
Latest Updated
2026-05-13
Github Stars
112.77K

How to Install ComfyUI

Install this extension via the ComfyUI Manager by searching for ComfyUI
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

Visit ComfyUI Online for ready-to-use ComfyUI environment

  • Free trial available
  • 16GB VRAM to 80GB VRAM GPU machines
  • 400+ preloaded models/nodes
  • Freedom to upload custom models/nodes
  • 200+ ready-to-run workflows
  • 100% private workspace with up to 200GB storage
  • Dedicated Support

Run ComfyUI Online

FluxKontextImageScale Description

Optimize images for Flux Kontext framework by resizing to optimal resolution while maintaining aspect ratio and using advanced scaling techniques.

FluxKontextImageScale:

The FluxKontextImageScale node is designed to optimize images for processing within the Flux Kontext framework by resizing them to the most suitable resolution. This node intelligently adjusts the dimensions of an input image to match one of the predefined optimal resolutions, ensuring that the image maintains its aspect ratio as closely as possible. By doing so, it enhances the efficiency and effectiveness of subsequent image processing tasks within the Flux Kontext environment. The node employs advanced scaling techniques, such as the Lanczos method, to ensure high-quality image resizing, making it an essential tool for artists and developers looking to streamline their image processing workflows.

FluxKontextImageScale Input Parameters:

image

The image parameter is the primary input for the FluxKontextImageScale node. It accepts an image that you wish to resize to an optimal resolution for Flux Kontext processing. The function of this parameter is to provide the node with the image data that needs to be adjusted. The impact of this parameter on the node's execution is significant, as the quality and dimensions of the input image will determine the final output's resolution and quality. There are no specific minimum, maximum, or default values for this parameter, as it is dependent on the image you provide.

FluxKontextImageScale Output Parameters:

image

The output parameter, also named image, represents the resized version of the input image. This output is crucial as it provides the optimized image that has been adjusted to one of the preferred resolutions for Flux Kontext. The resized image maintains the original aspect ratio as closely as possible while fitting into the optimal resolution, ensuring that it is ready for further processing or analysis within the Flux Kontext framework. The output image is expected to have high visual quality due to the use of advanced scaling methods.

FluxKontextImageScale Usage Tips:

  • To achieve the best results, ensure that the input image has a clear and defined aspect ratio, as this will help the node select the most appropriate resolution from the predefined list.
  • Utilize this node when preparing images for tasks that require specific resolutions, such as machine learning models or image analysis tools, to ensure compatibility and optimal performance.

FluxKontextImageScale Common Errors and Solutions:

Image dimension mismatch

  • Explanation: This error may occur if the input image dimensions are not compatible with the predefined resolutions.
  • Solution: Ensure that the input image has a standard aspect ratio and dimensions that can be adjusted to fit one of the preferred resolutions.

Unsupported image format

  • Explanation: The node may not support certain image formats, leading to processing errors.
  • Solution: Convert the image to a supported format, such as JPEG or PNG, before inputting it into the node.

FluxKontextImageScale Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI
RunComfy
Copyright 2025 RunComfy. All Rights Reserved.

RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.

FluxKontextImageScale