Search by Image on eBay is a search tool, which allows you to search products on eBay by an image. It is very easy to use, just right click on an image, and select "Search by Image on eBay". 3 steps to find similar products on eBay: 1. Install the extension 2. Find an image you are interested in 3. Right click "Search by Image on eBay" You will get the best matched products from eBay. Click on the products you preferred and view them on eBay.