Content Professor is an online article spinner and content rewriting tool. It allows users to create unique articles from a single master copy by spinning and rewriting content. The platform also includes a PLR (Private Label Rights) search engine and a duplicate content checker. Users can quickly check for uniqueness and find duplicate content between articles. Content Professor is designed to help protect search engine rankings and avoid online plagiarism. It is available for Mac, Windows, and Linux and offers a free trial.