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ComfyDeploy: How ComfyUI Local Save Node works in ComfyUI?

What is ComfyUI Local Save Node?

ComfyUI custom node for directly downloading generated images to your local PC with customizable filenames and formats (PNG/JPEG).

How to install it in ComfyDeploy?

Head over to the machine page

  1. Click on the "Create a new machine" button
  2. Select the Edit build steps
  3. Add a new step -> Custom Node
  4. Search for ComfyUI Local Save Node and select it
  5. Close the build step dialig and then click on the "Save" button to rebuild the machine

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ComfyUI Local Save Node

This is a custom node for ComfyUI that allows you to directly download generated images to your local PC.

Features

  • Directly save images generated in ComfyUI to your local PC
  • Supports downloading in PNG or JPEG format
  • Customizable file name prefix
  • Automatic generation of file names including timestamps and serial numbers
  • Batch processing for downloading multiple images at once
  • Feedback display when saving is complete

Installation

  1. Navigate to the ComfyUI custom nodes directory:
cd ComfyUI/custom_nodes
  1. Clone this repository:
git clone https://github.com/your-username/comfyui_local_save.git
  1. Restart ComfyUI

How to Use

  1. Search for "Local Save Image" in the ComfyUI node browser
  2. Add the node and set the following parameters:
    • prefix: Prefix for the file name to be saved (default: "generated")
    • file_format: Select the save format (PNG/JPEG)
  3. Connect the output of the image generation node to the input of the "Local Save Image" node
  4. When you run the workflow, the generated image will be downloaded automatically

File Name Format

The file name of the saved image is generated in the following format:

{prefix}_{timestamp}_{number}.{ext}

Example:

generated_20250115_112814_001.png
generated_20250115_112814_002.png
  • prefix: Prefix specified by the user
  • timestamp: Timestamp in YYYYMMdd_HHmmss format
  • number: 3-digit serial number starting from 001
  • ext: Selected format (png/jpeg)

Notes

  • Depending on your browser settings, downloading multiple files may be restricted
  • Please be aware of memory usage when processing a large number of images at once
  • If you select JPEG format, the quality is set to 95%

License

MIT License

Information for Developers

Dependencies:

torch>=2.0.0
Pillow>=9.0.0
numpy>=1.22.0

These packages are included in the standard ComfyUI installation.

Contact

Please submit bug reports and feature requests via GitHub Issues.