Shoppers can't touch your product — the photo *is* the product. Marketplaces know this, which is why their image rules are strict. Run every listing through this checklist before upload.

1. Framing: Square, Product-Dominant

  • Crop to 1:1 (square) — the universal marketplace tile shape. Amazon, eBay, Etsy grids and most storefront themes assume it.
  • The product should fill about 85% of the frame. Tiny-product-in-huge-space wastes the thumbnail; edge-to-edge crops feel cramped and can clip on rounded corners.
  • Center the product and keep it fully in frame — no cut-off handles or shadows leaking out of the crop.

2. Background: White for the Main Image

The main listing image on most marketplaces must sit on a pure white background (RGB 255,255,255). Beyond compliance, white makes catalogs look uniform and lets the product's own colors pop. If your shot has a grey table or colored backdrop, a background removal tool followed by a white fill fixes it in the browser; keep lifestyle shots with real backgrounds for the secondary gallery slots.

3. Resolution: Enough to Zoom

Zoom is a conversion feature — buyers zoom into stitching, ports, texture. Most platforms enable zoom above roughly 1000 px on the longest side; upload at 1600–2000 px square to be comfortably above the bar without shipping 8000 px monsters. Never upscale a small photo to fake resolution: the blur is exactly what a zooming buyer will see.

4. Consistency Across the Catalog

A catalog where every tile shares the same crop ratio, product scale, background and lighting reads as a professional store rather than a garage sale. Process product photos as a batch with identical settings — same square crop, same output size, same compression level — instead of one-off edits per photo. This is also where batch tools save real hours.

5. File Rules: Format and Weight

  • Format: JPEG for product photography (white backgrounds compress beautifully). Use PNG/WebP only if the platform asks for transparency.
  • Weight: aim under 300 KB for a 1600 px main image — grids load many tiles at once, and slow tiles cost impressions on mobile. A compressor with a target-size mode gets every image under the cap in one pass.
  • Names: descriptive file names (walnut-desk-organizer-front.jpg) help both your own catalog management and image SEO on your own storefront.

The 30-Second Pre-Upload Pass

Square crop → white background → ≥1600 px → batch-compress to <300 KB → sanity-check the first tile at thumbnail size. Five steps, all doable in a browser, and your listing looks like it belongs on the first page.