Etsy recommends listing photos of at least 2000 px on the shortest side and under 1 MB. This preset does it for a whole batch in one click.
Etsy thumbnails are square-ish, so a centred subject works best. Use Aspect ratio → 1:1 with 'Fit with border' to avoid cropping your product.
Yes — the AI Studio writes Etsy titles, descriptions and 13 long-tail tags from your photo, using your own free Google Gemini key.
No. Everything happens inside your browser, on your own device. Your photos are never uploaded, stored or seen by anyone.