# ShelfRules > Check product images against 7 marketplaces at once, free, in your browser. Checked images are never uploaded. Every rule has a source link and a verification date. Checked against public rules as of 2026-10-29. Not a guarantee of acceptance. Not affiliated with any marketplace. ## Tools - [Listing image checker for Amazon, Walmart, Etsy, eBay, TikTok Shop, Shopify and Google](https://shelfrules.com/): Check product images against 7 marketplaces at once, free, in your browser. Checked images are never uploaded. Every rule has a source link and a verification date. - [Free multi-marketplace product image checker](https://shelfrules.com/checker): Drop product images and see a red, yellow, green matrix for Amazon, Walmart, TikTok Shop, eBay, Etsy, Shopify and Google Merchant Center. Runs locally in your browser. - [Product image repair: pure white background and marketplace sizes](https://shelfrules.com/repair): Upload one product photo and get it cut out, placed on pure white and sized for each marketplace, with a report. Free watermarked preview, no sign-up. - [Pricing: Starter, Pro and Agency plans for product image repair](https://shelfrules.com/pricing): The checker is free. Paid plans fix product images for every marketplace, billed per successfully delivered SKU. Cancel any time. Payments handled by Creem. ## Requirements - [Marketplace image requirements by platform](https://shelfrules.com/requirements): Product image requirements for 7 marketplaces, rendered from one rule library with sources and verification dates. - [Amazon image requirements: size, format and content rules](https://shelfrules.com/requirements/amazon): All 9 Amazon product image rules in our library with sources and verification dates, and a free in-browser checker. - [Walmart image requirements: size, format and content rules](https://shelfrules.com/requirements/walmart): All 12 Walmart product image rules in our library with sources and verification dates, and a free in-browser checker. - [TikTok Shop image requirements: size, format and content rules](https://shelfrules.com/requirements/tiktok-shop): All 5 TikTok Shop product image rules in our library with sources and verification dates, and a free in-browser checker. - [eBay image requirements: size, format and content rules](https://shelfrules.com/requirements/ebay): All 5 eBay product image rules in our library with sources and verification dates, and a free in-browser checker. - [Etsy image requirements: size, format and content rules](https://shelfrules.com/requirements/etsy): All 9 Etsy product image rules in our library with sources and verification dates, and a free in-browser checker. - [Shopify image requirements: size, format and content rules](https://shelfrules.com/requirements/shopify): All 5 Shopify product image rules in our library with sources and verification dates, and a free in-browser checker. - [Google Merchant Center image requirements: size, format and content rules](https://shelfrules.com/requirements/google-merchant): All 9 Google Merchant Center product image rules in our library with sources and verification dates, and a free in-browser checker. - [Amazon main image requirements](https://shelfrules.com/requirements/amazon/main-image): Amazon's main image needs a pure white background (RGB 255) and the product should fill at least 85% of the frame. - [Amazon image size and format requirements](https://shelfrules.com/requirements/amazon/image-size): Amazon images need a longest side of at least 500 px. Staff posts conflict on the larger numbers, so we flag 1000 px as the level where zoom works and treat 16… - [Amazon AI-generated people image tag (XMP)](https://shelfrules.com/requirements/amazon/ai-disclosure): Secondary reports say images showing AI-generated people should carry the XMP dc:subject keyword "contains-synthetic-performer". - [Walmart image size and format requirements](https://shelfrules.com/requirements/walmart/image-size): Walmart images should be square (1:1), with a shortest side of at least 1500 px for zoom and 2200 px recommended. - [Walmart main image and content rules](https://shelfrules.com/requirements/walmart/main-image): Walmart expects a white-background main image: edge pixels pure white (RGB 255) on at least 90% of the edge band. - [TikTok Shop product image size requirements](https://shelfrules.com/requirements/tiktok-shop/image-size): TikTok Shop product images need a shortest side of at least 600 px and should be square (1:1). - [TikTok Shop main image rules](https://shelfrules.com/requirements/tiktok-shop/main-image): TikTok Shop main images need a clean white background (edge pixels pure white, RGB 255). - [eBay picture size requirements](https://shelfrules.com/requirements/ebay/image-size): eBay requires the longest side of a listing picture to be at least 500 px. - [eBay picture policy: text, borders and watermarks](https://shelfrules.com/requirements/ebay/text-and-watermarks): eBay's picture policy rules out added text, artwork and marketing material, watermarks, borders and placeholder images, and it expects a picture of the actual… - [Etsy listing photo size and format requirements](https://shelfrules.com/requirements/etsy/image-size): Etsy listing photos need a shortest side of at least 635 px on the main photo, and 2000 px is recommended. Uploads should stay within 1 MB. - [Etsy real photo and AI disclosure rules](https://shelfrules.com/requirements/etsy/real-photo): Etsy wants at least one unedited photo of the real item, edits that keep color, shape and finish accurate, and disclosure when AI helped create an item. - [Shopify product image size requirements](https://shelfrules.com/requirements/shopify/image-size): Shopify product images can be at most 25 megapixels and 5000 px on the longest side. A longest side of 2048 px is recommended for sharp zoom. - [Shopify image file formats and file size limit](https://shelfrules.com/requirements/shopify/file-formats): Shopify accepts PNG, JPEG, TIFF, BMP, GIF, SVG, HEIC, WebP files, and each file must be at most 20 MB. - [Google Merchant Center image size requirements](https://shelfrules.com/requirements/google-merchant/image-size): Google Merchant Center needs a shortest side of at least 500 px, and this becomes mandatory on 2027-01-31; before then the checker shows a warning. - [Google Merchant Center image content and AI metadata rules](https://shelfrules.com/requirements/google-merchant/content-rules): Google suggests the product fills 75% to 90% of the image. It bans promotional text, watermarks, added logos, borders and placeholders. ## Guides - [Product image guides for multi-marketplace sellers](https://shelfrules.com/guides): Short guides on image sizes, white backgrounds, product occupancy, AI image disclosure and fixing supplier photos, built from a sourced rule library. - [Product image size cheat sheet for 7 marketplaces](https://shelfrules.com/guides/image-size-cheat-sheet): Across 7 marketplaces the strictest minimum edge in our library is 2200 px, the smallest file size cap is 1 MB, and the only shared accepted formats are JPEG,… - [White background RGB 255 explained: how marketplaces and our checker measure it](https://shelfrules.com/guides/white-background-rgb-255): Pure white is RGB 255,255,255. Our checker samples a band 1% wide along the image edge and counts a pixel as white when every channel is at least 252 and it is… - [Product occupancy 85%: how to measure how much of the frame your product fills](https://shelfrules.com/guides/product-occupancy-85-percent): Amazon staff say the product should fill at least 85% of the main image frame, and Google lists 75% to 90% as a best practice. - [AI-generated product image disclosure by platform](https://shelfrules.com/guides/ai-generated-image-disclosure): Google Merchant Center asks AI images to keep the IPTC DigitalSourceType tag. - [Fixing supplier images for multiple marketplaces](https://shelfrules.com/guides/fix-supplier-images-for-multiple-marketplaces): To satisfy every size and file rule in our library with one export, use a square JPEG with a longest side of 2200 px, a pure white background (RGB 255), the pr… - [Google Merchant Center 500px minimum image size from 2027](https://shelfrules.com/guides/google-merchant-center-500px-2027): Google Merchant Center requires a shortest side of at least 500 px from 2027-01-31. ## Company and policies - [Terms of service - ShelfRules](https://shelfrules.com/terms): The terms for using ShelfRules: plans and billing, license keys, what the checker does and does not promise, and our independence from marketplaces. - [Privacy policy - ShelfRules](https://shelfrules.com/privacy): What ShelfRules collects and what it does not: checker images stay in your browser, repair images are processed in memory on our own server and never stored, and payments are handled by Creem. - [Refund policy - ShelfRules](https://shelfrules.com/refund): Full refund on request within 14 days of your first payment. After that, cancel any time and keep access until the end of the paid period. - [Contact ShelfRules](https://shelfrules.com/contact): How to reach ShelfRules for billing, license key, privacy or refund questions. - [About ShelfRules](https://shelfrules.com/about): ShelfRules checks product images against the public rules of major marketplaces and repairs them on paid plans. Every rule has a source and a verification date.