Cobalt Tools UploadReady
Amazon Pure White Canvas (#FFFFFF)100% Client-Side · Zero Server Uploads

Product Background & Canvas Tool

Fit, center, and pad product photos onto marketplace-compliant pure white canvas backgrounds. Add natural contact shadows, maintain 85%+ frame fill, and batch export 2000px high-resolution JPGs.

Upload Product Photos for Background Canvas Fitting

Select single or batch product shots (transparent PNGs, studio shots, or lifestyle items). All processing is 100% private in your browser.

Canvas & Background Settings

Amazon & Shopify Ready
Product Margin / Padding:10% (approx. 80% frame fill)

Check the marketplace’s current image requirements for your product category and inspect the exported preview before uploading.

Prevents products from “floating” on pure white backgrounds by rendering an ambient floor contact drop.

Preview Canvas (2000×2000 px)

Upload an image to see live pure white canvas fitting

Marketplace main image requirements explained

Amazon 85% Frame Fill Rule

Amazon automated image quality filters flag product listings where the item occupies less than 85% of the total canvas. By setting padding to 8–10%, your product maximizes zoom clarity without getting rejected by seller verification algorithms.

Prevent the “Floating Sticker” Look

Placing a product directly on flat white can make it appear artificial. Our soft ambient ground contact shadow simulates natural studio lighting beneath the object's base, giving customers a tactile, premium impression.

Frequently asked questions

Why does Amazon require pure white backgrounds on main product images?
Amazon policy mandates that the main listing photo (HERO image) have a pure white background (RGB 255, 255, 255 / #FFFFFF) with the product filling at least 85% of the frame. This creates visual consistency across search results and mobile devices.
Does this tool upload my high-resolution photos to a server?
No. All canvas rendering, centering, padding, contact shadow blending, and ZIP compression occur 100% inside your browser using HTML5 Canvas and JSZip. No images are ever uploaded.
What does the soft contact shadow feature do?
When floating products onto pure white or studio canvas backgrounds, images can look artificially cut out or disconnected. The contact shadow renders a natural ambient ground shadow beneath the product base, giving it depth and realistic footing.
Can I download all processed images in a single ZIP file?
Yes, you can batch process multiple product photos simultaneously and download all results in a single structured ZIP file or save individual files.

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