If you’re worried people might be using an image of yours without telling you, Who Stole My Pictures is a Firefox extension that lets you reverse search with a simple right-click. Reverse image search engines can be used to find copies of your images on the Internet.
Who Stole My Pictures makes use of Yandex, Tineye, Google, Baidu and Cydral to search for your image. Though you can use those image search engines manually every time you want to find copies of a picture on the Internet, it is often faster and more comfortable to use a browser extension to do so. The extension adds a new entry to the browser’s right-click context menu when the mouse cursor hovers over images. With a simple click you can open all five search engines at once to see if anyone has snagged you pictures without credit. It’s similar to the previously featured previously mentioned Search By Image extension for both Firefox and Chrome, but adds a few more engines to sift through.