Extensions/comfyui-advanced-image-saver
ComfyUI Extension

comfyui-advanced-image-saver

ComfyUI custom node: save PNG/JPG/WebP/AVIF/TIFF with quality controls, workflow metadata, {seed}-style patterns, iterate_mode, and Save New / Save to Assets re-encode without regenerating.

By StoneZol·Created a day ago·Updated a day ago· 2
StoneZol/comfyui-advanced-image-saver
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Advanced Image Saver

The save node with an aesthetic bouncer at the door

image
Readme

Advanced Image Saver

ComfyUI custom node for saving images as PNG / JPG / WebP / AVIF / TIFF with quality controls, optional workflow metadata, {seed}-style filename patterns, iterate_mode, and re-encode-without-regen (Save New / Save to Assets).

Encoding prefers pyvips (same engine as Sharp), with Pillow fallback.

Advanced Image Saver node

Features

  • Formats — png, jpg, webp, avif, tiff (format-specific widgets hide automatically)
  • Quality / compression / effort — explained in the in-node Info modal (min ↔ max, what actually changes quality vs only size/speed)
  • Metadata — keep or strip Comfy prompt/workflow. DnD restore works for PNG / WebP / AVIF. JPG: EXIF may still be written, but ComfyUI opens Load Image on drop (frontend does not parse JPEG workflow meta). TIFF: no workflow meta.
  • Filename pattern — {seed}, {date:%Y-%m-%d}, {cfg}, … plus Open Output Folder
  • iterate_mode OFF — unique files in output/ (native Assets); Save New re-encodes the last frame with new format/meta (no re-gen)
  • iterate_mode ON — one scratch file in temp/ (no output clutter); Save to Assets promotes a keeper the same way
  • Batching — queue still saves all frames when iterate is OFF; Save New / Save to Assets only work on the last image. For full-batch re-save use native Save Image.

Install

cd ComfyUI/custom_nodes
git clone https://github.com/StoneZol/comfyui-advanced-image-saver.git
cd comfyui-advanced-image-saver
# into the same Python env ComfyUI uses:
pip install -r requirements.txt

Restart ComfyUI. Node menu: image → Advanced Image Saver.

If pyvips fails to load, the node still runs via Pillow (AVIF may need an extra plugin or a working pyvips build).

Quick use

  1. Connect images, set filename_pattern / format / metadata as you like.
  2. Queue as usual.
  3. Want another format or strip meta without regenerating?
    • iterate_mode OFF → change widgets → Save New
    • iterate_mode ON → change widgets → Save to Assets
  4. Open Output Folder opens Explorer/Finder at the folder your pattern would write to (creates date subfolders if needed).
  5. Info — tokens, format limits (e.g. WebP max side 16383), quality/compression/effort cheat sheet.

iterate_mode

| Mode | On queue | Manual button | | --- | --- | --- | | OFF | Unique file(s) under output/ (full batch) | Save New — another unique file from last frame only | | ON | Overwrites temp/AIS_iterate_<nodeId>.<ext> (last frame; no Assets spam) | Save to Assets — unique output/ + Assets from last frame |

Batch note: this node is for single-image iterate/re-encode. On queue with iterate OFF every batch frame is written; Save New / Save to Assets only re-encode the last picture. Cleared on Comfy restart — run once again after restart.

Filename pattern (short)

Tokens: {seed} {steps} {cfg} {sampler} {scheduler} {denoise} {model} {checkpoint} {width} {height} {date} {time} {datetime} {counter} {batch} {format} ({fmt} / {ext}).

Optional format: {date:%Y-%m-%d}, {seed:05d}. Use / for subfolders. Missing tokens → unknown.

Example: {date:%Y-%m-%d}/{seed}_{format}_shot

Full list + encode settings: click Info on the node.

License

MIT — see LICENSE.