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Image Compare Pixaroma

See the difference between two images at a glance.

In ComfyUI: double-click an empty spot on the canvas and type Image Compare Pixaroma.

Setup

Wire any two IMAGE outputs into image1 and image2 (before / after upscaling, original / inpainted, two checkpoints, ...) and run the workflow once. Each image's size is shown on the node with a 1 / 2 badge - the sizes turn orange when the two differ.

Missing an image is fine

Both inputs are optional. If only one is connected - for example when a branch feeding one input is muted or bypassed in a workflow that toggles between text-to-image and image-to-image - the node simply shows that one image. If neither is connected it shows a short note. It never throws a system error, so you can leave it in the graph and just ignore it when it has nothing to compare.

View modes

Show 1 / Show 2
View one image full-size. Click to switch between the two.
Left Right / Right Left
Side-by-side split - hover the image to wipe across. Right Left swaps which side each image is on.
Up Down
Top / bottom split - hover to wipe up and down.
Overlay
Stack both images and drag the slider, or scroll the mouse wheel over the image, to fade between them.
Difference
Highlight only the pixels that differ between the two.

Save buttons (in Show 1 / Show 2)

Save D
Save the shown image to disk - opens a dialog so you pick where.
Save O
Save the shown image to the ComfyUI output folder.
Copy
Copy the shown image to the clipboard.

What you wire in

image1IMAGEoptional
First image to compare (e.g. the 'before' image). Optional - if it isn't connected, or its branch is muted / bypassed, the node just shows the other image (or a note) instead of throwing an error.
image2IMAGEoptional
Second image to compare (e.g. the 'after' image). Optional - the on-node viewer compares once BOTH images arrive; with only one connected it simply shows that one, and with neither it shows a short note.

What comes out

Nothing. This is the end of a chain - it shows or saves what reaches it.

Set the view mode a new Compare node starts in from this node's own settings, opened with the gear button on the node toolbar, or by right-clicking the node.

This is the help that comes with Pixaroma 1.4.212. Inside ComfyUI, select the node and click the orange ? above it to read the same help there.