Last updated: Oct 21, 2026 at 11:21PM
When a marketplace requires a shape for an image field (1:1, 4:5 or 2:3), auto crop trims your photo to that shape by removing plain background and nothing else. It never cuts into your product or model, never stretches, pads or enlarges the photo, and your original stays in your image library.
Crop many listings at once
On the Listings page, select the listings, open the mass actions bar and choose Auto Crop Images. Every image field with a required shape is cropped on each selected listing.
How the crop is chosen
A photo that is too tall loses rows from the top and bottom. A photo that is too wide loses columns from the left and right. Osello measures how much plain background sits along each of those edges: a white sweep, a solid or nearly solid color, a studio backdrop with uneven lighting.
- Background on both edges. The same amount comes off each one, so your subject keeps the position the photographer gave it.
- One edge runs out of background. The trim is equal until that edge is 2 pixels from the subject, and the rest comes off the other edge. A model whose head is near the top of the frame keeps their head, and the extra comes off the floor below them.
- Always a small margin. At least 2 pixels of background stay between your subject and each trimmed edge, so the crop never lands right on its outline.
- Too little background to reach the shape. The image is left as it is. Auto crop will not cut into your product or model to make the shape fit.
A light shadow your subject casts on a studio or white backdrop counts as background, so the shadow beside a model's feet doesn't stop the crop. Busy photos with no plain background on either edge (a lifestyle shot outdoors, a close-up that fills the frame) are left as they are.
Expect auto crop to handle the photos that were framed with room to spare, and to leave the tightly framed ones to you.
Crops made while a listing is created
Osello runs the same crop on its own when it fills in a new listing's images and one is the wrong shape, except for images categorized as a swatch or size chart, which are always left as they are. Those crops wait in the approvals queue (Review images on the Images page) until someone on your account approves them, and the listing can't be submitted until then. A crop you start yourself from the mass actions bar is your decision and is ready to use right away. See how Osello chooses your listing images.
Fixing one listing's primary image
To correct a single listing's primary image (the first of its product images), its shape and its background together, use Update If Needed on the Product Images field instead. It reads what that marketplace requires of the first image and edits a corrected copy for you to approve. See how Osello chooses your listing images.
When auto crop isn't the right tool
When auto crop leaves an image unchanged, crop the image by hand and choose what to give up (Edit -> Crop in the image's ... menu on the listing's Fields tab), or use Fit to Aspect Ratio on the image to extend its background instead. See managing product images.