Walmart Marketplace rule

Walmart: hero image must be 5 MB or smaller

Walmart's item setup pipeline rejects images larger than 5 MB. Most well-exported JPGs at 2,200 px land between 300 KB and 2 MB; PNGs can exceed the cap and must be optimized.

Audit my Walmart Marketplace images See all rules

Source: marketplacelearn.walmart.com · Last verified 2026-05-31

What we check

CatalogPrep reads the file size and flags images above the 5 MB threshold.

How to fix

Use CatalogPrep's compress-to-size tool (target 4 MB to leave headroom) before export. Quality typically holds at 85-90 JPEG quality for product photography.

Detection summary

Severity: blocking
Auto-checkable: Yes
Auto-fixable: Yes
Manual review: Not needed
Last verified: 2026-05-31