Adding Realistic Drop Shadows to Product Images with the PixelAPI Shadow Generator

A few months ago I was building a product listing page for a small Shopify store. The client had decent product photos — white-background PNGs, cleanly cut out — but when you put them on a white page, everything looked flat. Like the products were just floating there with no weight. Classic problem. My options were: manually add shadows in Photoshop for 200 SKUs, hire someone to do it, or find a programmatic solution I could slot into the image pipeline. I went with the third option, and ended u