Ecom Image OptimizerAll image tools
Convert, compress, resize and watermark product images. Every tool is free, works in batches, and needs no account.
Convert
Change image format without losing quality.
To JPG
To PNG
Compress
Make files smaller while keeping images sharp.
Resize
Set exact dimensions, in bulk.
Edit
Watermarks and clean-up.
Sell on
Image specs for marketplaces and for the platform your store runs on.
Marketplaces
Etsy
Etsy listing photo sizes, thumbnails and requirements.
Amazon
Amazon listing image requirements and zoom rules.
eBay
eBay photo dimensions and listing image rules.
Walmart
Walmart Marketplace image requirements, white background and zoom.
AliExpress
AliExpress main image size, ratio and content rules.
Temu
Temu listing image size, background and file limits.
Mercado Libre
Mercado Libre photo sizes and per-category background rules.
Zalando
Zalando packshot and model-shot image requirements.
E-commerce platforms
Shopify
Shopify product image sizes and format guidance.
WooCommerce
WooCommerce catalog, single and gallery thumbnail sizes.
PrestaShop
PrestaShop image types, resizing modes and retina settings.
BigCommerce
BigCommerce product image size, file limits and zoom.
Adobe Commerce
Adobe Commerce (Magento) base, small, swatch and thumbnail sizes.
Wix
Wix Stores product image resolution and upload limits.
Every channel we cover
Channels with an arrow have a full spec guide; the rest list the rule of thumb.
All marketplaces (24)
You list on someone else's storefront, so their image rules are hard requirements. Break them and the listing gets suppressed.
- AmazonMain image: pure white background, product ≥85% of frame.
- eBayMinimum 500 px on the longest side; 1600 px enables zoom.
- Etsy2000 px on the shortest side; landscape crops best.
- Walmart Marketplace2000 × 2000 px recommended, white background.
- AliExpressSquare 800 × 800 px minimum for zoom.
Alibaba.comWholesale B2B listings; 750 px+ square.- TemuSquare imagery, white or lifestyle background.
SHEINFashion-first; tall 3:4 product shots.- Mercado LibreLatin America; 1200 px square, white background.
RakutenJapan and global; strict per-category specs.
WayfairFurniture and home; high-res lifestyle sets.
Target PlusInvite-only US marketplace; white background.- ZalandoEuropean fashion; strict model-shot guidelines.
OTTOGermany; 1500 px+ on the longest side.
AllegroPoland; 1600 × 1600 px recommended.
BolNetherlands and Belgium; white background required.
CdiscountFrance; 1000 px+ square preferred.
Fnac DartyFrance; media and electronics specs.
NeweggElectronics; 640 px minimum, 1600 px for zoom.
FaireWholesale; clean catalogue-style imagery.
PoshmarkResale; square crops from phone photos.
DepopResale; square 1280 px recommended.
ReverbMusical instruments; 1200 px+ landscape.
Back MarketRefurbished tech; standardised white-background shots.
All e-commerce platforms (22)
Software you run your own store on. Image handling is a theme and CDN concern you control, so these are recommendations, not gates.
- ShopifyHosted SaaS. 2048 × 2048 px for zoom; serves WebP automatically.
- WooCommerceWordPress plugin. Thumbnail sizes set per theme.
- PrestaShopSelf-hosted PHP. Image types configured per shop.
- Adobe Commerce (Magento)Enterprise PHP. 1200 px+ base images.
- BigCommerceHosted SaaS. 1280 × 1280 px recommended.
- Wix eCommerceSite builder. Automatic responsive image serving.
Squarespace CommerceSite builder. 2500 px wide upload limit.
Webflow EcommerceVisual builder. 4 MB asset ceiling.
ShopwareGerman-market PHP platform with a thumbnail pipeline.OpenCartLightweight self-hosted PHP cart.
Salesforce Commerce CloudEnterprise SaaS with a dynamic imaging service.
SAP Commerce CloudEnterprise B2B/B2C, media conversion pipeline.
VTEXLatin-America-strong enterprise SaaS.
commercetoolsHeadless API-first commerce.
SaleorOpen-source headless GraphQL commerce.
MedusaOpen-source Node.js headless commerce.
SyliusSymfony-based open-source platform.
Drupal CommerceDrupal module with image-style presets.
Ecwid by LightspeedEmbeddable store widget for any site.
Big CartelSmall-artist storefronts; square product shots.
nopCommerceOpen-source ASP.NET platform.
Odoo eCommerceERP suite with a built-in web shop.
Learn
Formats, image SEO and how to get faster pages.