Here is a step-by-step guide on how to set up your aspect ratio:

Step #1: Go to the Settings tab

Step #2: Choose Cropping as your Resize Option:

Step #3: Then, choose which aspect ratio best fits your product:

Step 4: Once the app completes analyzing your store. You can go to the ‘Preview’ tab to see how the images will look with the aspect ratio that you chose:

Step 5: Once you’re happy with the aspect ratio you’ve chosen, you can go to the ‘Analysis’ tab and click the ‘Resize Images’ button to proceed with resizing: