ImageQuantize - ComfyUI Built-in Node Documentation

The ImageQuantize node is designed to reduce the number of colors in an image to a specified number, optionally applying dithering techniques to maintain visual quality. This process is useful for creating palette-based images or reducing the color complexity for certain applications.

Inputs

Field	Description	Data Type
`image`	The input image tensor to be quantized. It affects the node’s execution by being the primary data upon which color reduction is performed.	`IMAGE`
`colors`	Specifies the number of colors to reduce the image to. It directly influences the quantization process by determining the color palette size.	`INT`
`dither`	Determines the dithering technique to be applied during quantization, affecting the visual quality and appearance of the output image.	COMBO[STRING]

Outputs

Field	Description	Data Type
`image`	The quantized version of the input image, with reduced color complexity and optionally dithered to maintain visual quality.	`IMAGE`

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Outputs