Practical guides for online sellers: product photos, marketplace listings, video ads and growing your store.
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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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's official 3000×3000 recommendation, the seven accepted ratios, why galleries crop images, video specs, and how to bring small photos up to size.
The safe WhatsApp Business catalog image size, how many photos each item can hold, why items get rejected, and product photo tips for selling in chat.
The right Pinterest product pin size, how product pins and catalogs use your photos, how to add text without hiding the product, and a checklist.
The right Instagram product photo size for your catalog, feed posts, Stories and Reels, how the 3:4 grid crops them, and a checklist before you upload.
The right Facebook ad image size for every placement, the Stories safe zone, how much text to use, and creative tips for product ads.
Shopify's recommended product image size, sizes for collections, banners and logos, and how to keep your store's images consistent and fast.
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