ImageScaleToMaxDimension - ComfyUI Built-in Node Documentation

The ImageScaleToMaxDimension node resizes images to fit within a specified maximum dimension while maintaining the original aspect ratio. It calculates whether the image is portrait or landscape oriented, then scales the larger dimension to match the target size while proportionally adjusting the smaller dimension. The node supports multiple upscaling methods for different quality and performance requirements.

Inputs

Parameter	Description	Data Type	Required	Range
`image`	The input image to be scaled	IMAGE	Yes	-
`upscale_method`	The interpolation method used for scaling the image (default: “area”)	STRING	Yes	”area" "lanczos" "bilinear" "nearest-exact" "bilinear" "bicubic”
`largest_size`	The maximum dimension for the scaled image (default: 512)	INT	Yes	0 to 16384

Outputs

Output Name	Description	Data Type
`image`	The scaled image with the largest dimension matching the specified size	IMAGE

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ImageScaleBy - ComfyUI Built-in Node Documentation

ImageScaleToTotalPixels - ComfyUI Built-in Node Documentation

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Outputs