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The Compositor node lets you merge and layer multiple images into a single composited output, directly inside the Workflows canvas. No external tools needed.
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How to use the Compositor node

1

Add the Compositor node

Right-click on the canvas to open the node picker and search for Compositor. Click to place it.
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2

Connect your inputs

Connect the output handles of your image nodes to the Image input on the Compositor. Each time you connect an image, a new slot (Image 1, Image 2, Image 3, and so on) appears for the next one. Each connected image becomes a separate layer.
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3

Configure layering

Click Edit Layers on the node to open the layer editor. Select a layer in the Layers list to set its Position, Dimension, Rotation, Opacity, and Blend Modes in the right panel. Drag layers up or down in the list to change their stacking order.Select Artboard to set the output dimensions, artboard size, and background color.
Edit Layers editor with the Layers list, artboard preview, and Image 2 settings for position, dimension, rotation, opacity, and blend mode
4

Connect the output

Connect the Compositor’s output handle to any downstream node that accepts an image, including another Compositor for more complex compositions.
5

Preview the result

The Compositor has no Run button. Its preview updates live as you connect inputs or change layers, so the node always shows the current composited output.
Two image nodes connected to the Image 1 and Image 2 inputs of a Compositor node, which shows the layered preview

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Supported inputs

The Compositor takes image inputs. Connect images from any image node, such as an upload or a generation node. Each connected image becomes a separate layer.
Use the Compositor to stitch together outputs from separate generation pipelines before passing them to a final export or post-processing node.