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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

Navigate to the ComfyUI custom nodes directory:

cd ComfyUI/custom_nodes

Clone this repository:

git clone https://github.com/your-username/comfyui_local_save.git

Restart ComfyUI

How to Use

Search for “Local Save Image” in the ComfyUI node browser

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)

Connect the output of the image generation node to the input of the “Local Save Image” node

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.