ComfyUI/custom_nodes/ComfyUI_KJNodes/custom_dimensions_example.json

[
    {
        "label": "SD",
        "value": "512x512"
    },
    {
        "label": "HD",
        "value": "768x768"
    },
    {
        "label": "Full HD",
        "value": "1024x1024"
    },
    {
        "label": "4k",
        "value": "2048x2048"
    },
    {
        "label": "SVD",
        "value": "1024x576"
    }
]