About ShelfRules
What it does
ShelfRules checks product images against the public image rules of 7 marketplaces in one pass, in your browser. On paid plans it also repairs images: it cuts out the product, places it on pure white, outputs each marketplace’s size, product share and margin, and packs the versions into one ZIP per SKU.
How the rules are kept honest
Every rule in the library links to its source and shows the date we verified it. Where a marketplace has no first-hand public document, the page says so. Rules that cannot be judged from pixels are shown as human checks.
What it does not do
It does not guarantee that a marketplace accepts or ranks your listing. It does not remove watermarks. It cuts out and re-places your product on a new background and does not redraw it.
Independence
ShelfRules is an independent service and is not affiliated with Amazon, Walmart, Etsy, eBay, TikTok, Shopify or Google.