Fast Preview

KJNodes/experimentalOutput Node

FastPreview

Experimental node for faster image previews by displaying through base64 it without saving to disk.

Example

JSON Example

{
  "class_type": "FastPreview",
  "inputs": {
    "image": [
      "node_id",
      0
    ],
    "format": "JPEG",
    "quality": 75
  }
}

This example shows required inputs only. Connection values like ["node_id", 0] should reference actual node IDs from your workflow.

Inputs

Name	Type	Status	Constraints	Default
image	IMAGE	required	-	-
format	ENUM 3 options JPEG PNG WEBP	required	-	"JPEG"
quality	INT	required	min: 1, max: 100, step: 1	75

Outputs

This node has no outputs.

Package: comfyui-kjnodes