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Practical guides for online sellers: product photos, marketplace listings, video ads and growing your store.
Big Cartel Image Size (2026): Product Photos, Theme Banners and Plan Limits
What Big Cartel's help center says about product image size, the 10 MB limit, images shown per plan, and header, logo and slideshow sizes for each theme.
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BigCommerce Product Image Size (2026): 1280×1280, 8 MB Limit and Variant Images
The official 1280×1280 size, the 8 MB limit, 1,000 images per product, variant images, formats and how to standardise a mixed supplier catalog.
Wix Product Image Size (2026): 3000×3000, Aspect Ratios and Cropping Fixes
Wix's official 3000×3000 recommendation, the seven accepted ratios, why galleries crop images, video specs, and how to bring small photos up to size.
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