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Channel Shuffle

Node icon
Color

Rearranges RGBA channels by swapping, duplicating, filling with black/white, or rerouting any channel to any other.

Channel Shuffle lets you reconfigure which data goes into each output channel. For each output channel (Red, Green, Blue, Alpha), you pick a source: any of the input channels, or constant Zero (black) / One (white).

Common uses include swapping channels, isolating a single channel, filling alpha with luminance data, or converting a normal map format.

Parameters

Section titled “Parameters”

Pins

ImageImage
InputRequired
ImageImage
Output

Channel Mapping

RedChoice
Default: Red

Which source channel feeds the output Red

  • RedPass through the original red channel.
  • GreenUse the green channel as the red output.
  • BlueUse the blue channel as the red output.
  • AlphaUse the alpha channel as the red output.
  • ZeroFill with 0 (black).
  • OneFill with 255 (white).
GreenChoice
Default: Green

Which source channel feeds the output Green

  • RedUse the red channel as the green output.
  • GreenPass through the original green channel.
  • BlueUse the blue channel as the green output.
  • AlphaUse the alpha channel as the green output.
  • ZeroFill with 0 (black).
  • OneFill with 255 (white).
BlueChoice
Default: Blue

Which source channel feeds the output Blue

  • RedUse the red channel as the blue output.
  • GreenUse the green channel as the blue output.
  • BluePass through the original blue channel.
  • AlphaUse the alpha channel as the blue output.
  • ZeroFill with 0 (black).
  • OneFill with 255 (white).
AlphaChoice
Default: Alpha

Which source channel feeds the output Alpha

  • RedUse the red channel as the alpha output.
  • GreenUse the green channel as the alpha output.
  • BlueUse the blue channel as the alpha output.
  • AlphaPass through the original alpha channel.
  • ZeroFill with 0 (fully transparent).
  • OneFill with 255 (fully opaque).

Usage Tips

Section titled “Usage Tips”
  • Set all outputs to Red to convert to grayscale using only the red channel.
  • Swap Red and Blue to convert between RGB and BGR formats.
  • Set Alpha source to Zero or One to force fully transparent or fully opaque output.
Section titled “Related Nodes”