Why every marketplace wants a different image size
Each selling platform enforces its own product image dimensions, and uploading the wrong size means your listing either gets rejected, auto-cropped in a way that cuts off your product, or displayed at a lower resolution that hurts zoom and conversion. Amazon demands a 1000×1000 minimum to unlock zoom and recommends 2000×2000 on pure white. Etsy prefers 2000×2000 squares. Shopify displays product images as squares and recommends 2048×2048 for crisp zoom. Instagram feed posts run 1080×1080 for squares and 1080×1350 for portraits, while stories and reels want 1080×1920 verticals. Pinterest rewards tall 2:3 pins at 1000×1500. Remembering each spec, opening a desktop editor, and exporting every variant is the boring part of selling online that this tool removes.
This resizer runs entirely in your browser using an HTML canvas, which means your product photo is never uploaded to a server, never stored, and never seen by anyone else. That matters for sellers handling unreleased products or client work. Pick a preset, choose Crop to fill the frame (and drag to reposition, with a zoom slider for tight shots) or Fit to pad the whole product inside the exact size on a white background, then download a PNG or JPG at the precise pixel dimensions the marketplace expects. There is no watermark, no account, and no per-image fee — the tool is free for unlimited use.
A correctly sized photo is only half the battle. If your original shot is dull, shot on a cluttered kitchen table, or sitting on the wrong backdrop, no amount of resizing will make it convert. That is the gap ShotKit fills: upload one product photo, pick a studio scene, and the AI composites your real product into a clean studio backdrop — marble, wooden table, seamless white, lifestyle beach — in seconds. Resize the result here, then drop it straight into your listing.