Compress images for Walmart Connect.
Drop your photos and download them under 10 MB, the file-size limit in Walmart Connect's image rules. The quality is lowered first and the pixel dimensions only when needed; the photo is never cropped. It runs in your browser; nothing is uploaded.
Under 10 MB per image, saved as JPG
Limits come from each platform's own help pages, summarised in the guides (checked 24 September 2026).
What Walmart Connect asks for.
Walmart Connect image specs: Brand Shop hero banner at least 1,676 × 940 pixels, Sponsored Brands logo at least 300 × 180, Marquee image 1,510 × 356.
- Limit used
- Under 10 MB per image, saved as JPG
- Pixels kept
- The rules checked here state no minimum pixel size, so the tool stops before the photo falls under a quarter of its original width.
- Formats
- Onsite Display images are delivered as JPG and logos as transparent PNG; Brand Shop banners accept JPG or PNG; the Sponsored Brands logo must be JPEG or PNG
- File size
- Onsite Display: 150 KB maximum for an image and 50 KB for a logo; Brand Shop banners: 10 MB maximum; Sponsored Brands logo: 1 MB maximum
Compressors by platform.
Compressing for Walmart Connect, answered.
What is the image file-size limit on Walmart Connect?
10 MB per image, according to the rules summarised in the Walmart Connect guide. This tool saves each photo as a JPG under that size.
Is JPG accepted on Walmart Connect?
Yes. The formats Walmart Connect lists are JPEG and PNG.
Does compressing for Walmart Connect change the pixel size?
Only when lowering the quality is not enough to get under 10 MB. The rules checked here state no minimum pixel size, so the tool stops before the photo falls under a quarter of its original width.
Where do these figures come from?
From Walmart Connect Advertising Help — Step 3: Set up your logo, image and call-to-action links; Setting up your Hero banner; Setting up a Skinny banner; Setting up your promo cards; Setting up a Hero carousel; Setting up your category hub; Brand Box; Gallery; Marquee; Skyline; Tile ads; Walmart Marketplace Learn — Company Info: Overview, read on 12 October 2026. Marketplaces update their rules; the official page is the final reference.
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