This ComfyUI workflow is designed to transform any image into a new aspect ratio by utilizing advanced outpainting techniques. At its core, the workflow leverages the Nano Banana 2 model, known for its robust image completion capabilities. The process begins by uploading an image and specifying the desired aspect ratio, such as 16:9, 9:16, 1:1, or 4:5. The workflow then adapts the original image to fit the new dimensions, filling in the additional space with content that seamlessly extends the image's natural environment. This is achieved through a series of nodes, including LoadImage for importing the image, ImageCompositeMasked for handling the outpainting, and PreviewImage for visualizing the results.
What makes this workflow particularly useful is its ability to maintain the visual integrity of the original image while expanding its dimensions. This is ideal for content creators who need to adapt images for various platforms with different aspect ratio requirements. The integration of custom nodes like comfyui_essentials, controlaltai-nodes, and masquerade-nodes-comfyui further enhances the workflow's flexibility and precision, ensuring high-quality outputs that are both aesthetically pleasing and contextually relevant.
API
Use this workflow from code
Every Comfy workflow is a JSON graph. The payload below is this workflow, exactly as ComfyUI runs it — fetch it from the URL, keep it in version control, or load it in ComfyUI and run it node by node.
GET https://comfy.org/workflows/download/1880d7035ea2.jsonFetching workflow JSON…
Run it from Python or TypeScript with the Comfy SDK. The same code targets Comfy Cloud or a ComfyUI you host yourself — only the base URL changes.
# Install (beta)
pip install comfy-sdk # Python
npm i @comfyorg/sdk # TypeScript
# Run this workflow (Python)
from comfy_sdk import Comfy
client = Comfy(api_key="comfyui-...")
wf = client.workflows.from_file("workflow_api.json")
job = client.run(wf)
for output in job.get_outputs("<output-node-id>"):
output.to_file(output.name)The SDK takes a workflow in API format: open this workflow in ComfyUI and use File → Export Workflow (API). API access requires a Comfy Cloud plan with an API key. SDK docs · Get an API key
FAQ
