Save Original Image (JPG / PNG)

ComfyUI Save Original Image

A lightweight custom node for ComfyUI that saves images as JPG or PNG while preserving the original input filename, with an image preview in the node.

Originally developed for the RTX Batch Upscaler – Image & Video workflow on Civitai, in collaboration with ChatGPT.

Features

• JPG output with configurable quality (default: 95) and optimization
• Lossless PNG output with configurable compression level (0–9)
• Preserves the source filename stem for a single image per queue item
• Preview of saved images directly in ComfyUI
• Existing-file handling: skip, overwrite, or error
• Optional output subfolder within ComfyUI/output
• Works with the base_name string output from FolderBatch Sync Queue

Installation (manual)

1. Download this repository as a ZIP using Code → Download ZIP, or clone it.
2. Place the folder containing __init__.py and nodes.py in ComfyUI/custom_nodes/ComfyUI-SaveOriginalImage.
3. Restart ComfyUI.

The node uses Pillow and NumPy, which are normally included in ComfyUI. If either is missing, install it in ComfyUI's own Python environment.

How to use

Find Save Image Original Name (JPG / PNG) in the image/save category.

| Input | Description | | --- | --- | | images | Image tensor(s) to save, e.g. RTXVideoSuperResolution.upscaled_images | | base_name | Source name, e.g. FolderBatch Sync Queue.base_name | | subfolder | Relative folder under ComfyUI/output (default: RTX_Upscaled) | | quality | JPG quality, 1–100 (default: 95) | | on_existing | skip, overwrite, or error | | format | JPG or PNG | | png_compress_level | PNG compression 0–9 (default: 6) |

Example

Morrigan_001.png → RTX_Upscaled/Morrigan_001.jpg (JPG mode) or RTX_Upscaled/Morrigan_001.png (PNG mode).

Important: Exact original names are retained when the incoming batch has one image. If multiple images arrive in one call, numbered suffixes (_0001, _0002, etc.) are added to avoid collisions. base_name should be a filename, not a path.

Notes

• JPG does not preserve transparency. For lossless output, use PNG.
• With on_existing=skip, existing output files are left untouched and may be shown in the preview.
• Do not run a second image-saving node simultaneously unless you intentionally want duplicate exports.
• This node does not change RTX upscaling or video processing; it only saves images.

Compatibility

Issues and contributions

Please use the repository's Issues tab to report problems. Include your ComfyUI version, steps to reproduce, and the relevant error message (without private file paths).

License

MIT. See LICENSE.