Best Online Tools to Convert Images for eBay, Etsy & Facebook Ads (USA Market)

Selling products online in the United States is highly competitive — and high-quality, properly formatted images are critical to attracting buyers on platforms like eBay, Etsy, and Facebook Marketplace. Whether you're a full-time seller or a side hustler, your product images must meet each platform’s image guidelines to get visibility and engagement. This blog highlights the best online tools to convert and optimize images, especially for US-based sellers. We'll also cover why you may need tools like a PNG to PSD converter and how to use free online services to your advantage. Why Image Format Matters for eCommerce in the USA Every eCommerce platform has specific image format, size, and compression requirements: eBay recommends images in JPEG or PNG format with a minimum of 500x500 pixels. Etsy suggests at least 2000 pixels wide for quality zooming. Facebook Ads require 1.91:1 ratio and under 30% text on the image. Uploading images in the wrong format can result in poo...