The maximum width/height will determine the maximum dimension (in pixels) of the chosen aspect ratio.

It will only be applied to images that are larger than the set max width/height you have set. 

Let’s say you chose landscape (4:3 aspect ratio) and set the maximum dimension for the images to 1500 pixels. 

If your original images are below 1500 pixels to begin with (e.g. 500 pixels), our app will resize it based on the maximum pixels it detects. It will not stretch or increase the dimension of your image from 500 pixels to 1500 pixels.