Reverse Image Search by C is a browser extension designed to simplify the process of finding image sources and related content on the internet. It allows users to perform a reverse image search through various engines effortlessly. Users can either upload an image or supply its URL, and the tool quickly returns results showing where the image is found online, similar images, and additional relevant information. This tool is particularly useful for anyone needing to verify the authenticity of images, track down original sources, or even find visually similar items for shopping purposes.