There are no limits or restrictions to photo sizes on culinote. You can just drag-n-drop your pictures and upload them instantaneously. 

When you drag-n-drop your picture, it automatically uploads and adjusts to the actual size of it. You don't need to bother re-sizing your pictures. 

On culinote, we recommend users to upload images in high resolution to take full advantage of our site. 

The minimum width is 520 pixels with no limits on height. 

Thanks,