#marketplace-rules
Practical guides for online sellers: product photos, marketplace listings, video ads and growing your store.
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.
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TikTok Shop Product Video Requirements (2026): Size, Length and Format
TikTok Shop's listing video rules from its own seller pages, where the numbers disagree, plus export settings that pass the strictest version.
Walmart Product Video Requirements (2026): MP4, 100 MB and Upload Steps
Walmart's official listing video rules (MP4, 100 MB, GTINs, captions) separated from the ad specs most guides quote, with safe export settings.
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.
eBay Listing Video Requirements (2026): Length, 150 MB Limit and Format
eBay's listing video rules in one place: one video per listing, about a minute, 150 MB, MP4 or MOV, where buyers see it and what to film.
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.
Vestiaire Collective Photo Requirements (2026): Main Photo, Tags and Files
The official rules: JPEG or PNG up to 10 MB, how many photos, what the main photo must show, the authentication close-ups by category, and what gets rejected.
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