#image-size
Practical guides for online sellers: product photos, marketplace listings, video ads and growing your store.
9:16 Aspect Ratio (2026): 1080x1920 and Every Vertical Size in Pixels
Every 9:16 size from 720x1280 to 4K, the formula, where TikTok, Reels, Stories and Shorts use it, and how to turn a square product photo vertical.
Threads Image Size (2026): Best Dimensions, 8 MB Limit and Carousels
The best image size for Threads, the official limits from Meta's documentation (8 MB, 320-1440 px, 20-item carousels) and how to resize product photos.
Reverb Photo Requirements (2026): Size, 25 Photos and Listing Standards
Reverb's photo rules from its help center: 25 photos, 620 to 1600 px, square crops, the Listing Standards ban on stock and reused photos, and shot lists by instrument.
Shopify Product Video Size and Limits (2026): Length, 1 GB and 4K
Shopify's product video limits from its help center: 10 minutes, 1 GB, 4K, 250 media per product, store-wide caps by plan and the best size to upload.
Mercado Libre Photo Requirements (2026): Size, 10 MB Limit and White Background
Mercado Libre's photo rules from its developer docs and seller help: sizes, 10 MB files, 95% fill and the four categories that still require white.
Kaufland Image Requirements (2026): Size, 10 MB Limit and Main Image Rules
Kaufland's product image rules from its seller guideline: sizes, files, 5 to 10 images, a strict white main image with no shadows, and required alt text.
SHEIN Product Image Requirements (2026): Size, Ratio and 3 MB Limit
SHEIN's image specs from its own seller documentation: sizes, the 3:4 to 1:1 range, 3 MB files, image types per color and how to prepare photos.
Amazon Handmade Image Requirements (2026): Size, Background and Photo Slots
Amazon Handmade uses Amazon's standard image rules: a pure white main image, 1,000+ px for zoom, and lifestyle, scale and process shots in the other slots.
Bonanza Photo Requirements (2026): Size, 4 MB Limit and Bulk Imports
Bonanza's photo rules in one place: 4 MB files, the 1600x1200 display size, the photo limit, how to prepare a bulk import and what makes a good main photo.
Square Online Image Size (2026): Product Photos, Files and Banners
Square's recommended 2000x2000 square item images, accepted formats and the 15 MB limit, how images sync with the POS, banner guidance and a consistent photo workflow.
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