Build a consistent product grid without stretching photos

Standardize the frame before the subject

Choose a single aspect ratio for the images that belong together. A square is a convenient starting shape, but your storefront theme and product type should decide the final choice. Use the same output width and height for the batch.

Do not distort a portrait photo into a square by changing width and height independently. Dama scales both axes by the same factor and either adds a background or crops the overflow. Circular objects remain circular.

Equal canvases can still look inconsistent

Imagine two 2000 × 2000 originals. In the first, a product occupies 80% of the frame height. In the second, it occupies 40%. Exporting both to the same size with the same margin preserves that difference: the first product will still appear twice as tall.

This tool does not detect product boundaries. Its padding applies to the source rectangle. If a source already has excessive empty space, adding margin compounds it. Adjust that original’s framing first, or separate it from the batch.

A portrait source on a square canvas

A 1600 × 2400 source fitted to 2000 × 2000 with zero margin becomes approximately 1333 × 2000, with about 333 pixels of padding at each side. With a 5% margin it becomes 1200 × 1800.

Filling the same square would require a 1.25× enlargement and would remove top and bottom content. With Dama’s default “Allow enlarging” turned off, it will not perform that enlargement; some padding remains. This is intentional protection against silently stretching a small original.

Check the collection, not just one listing

Shopify notes that matching aspect ratios can help collection images look consistent. Your theme still controls display behavior, so a local preview cannot guarantee the final grid.

1. Compare representative products side by side after uploading.
2. Check background tone as well as the border color. Added white padding cannot remove a gray studio background inside a source.
3. Keep intentional close-ups separate from primary product images.
4. Inspect phone and desktop layouts in your actual theme.
5. Save your Dama settings only after the final storefront check.