See every asset in its final selling environment
A real retail storefront street, not a device-mockup grid. The same asset appears in an Amazon listing, a Shopify store, a mobile ad, an Instagram post, an email banner, and a digital display — and any window that fails closes with a reason.
Every window, its own rules
Crop · text safe-zone · product ratio
Crop · text safe-zone · product ratio
Crop · text safe-zone · product ratio
Crop · text safe-zone · product ratio
Crop · text safe-zone · product ratio
Crop · text safe-zone · product ratio
GrainLux checks crop, text safe-zones, product ratio, background rules, mobile readability, and subject integrity across sizes. Switch region, campaign type, or channel spec to see if the same asset can be reused.
See what production missed — before your customers do.
Point GrainLux at a batch of product images or AI-generated creative and get a clear verdict on every frame: approved, needs review, or reject — with the reason attached.