Copyscape is an online plagiarism detection tool designed to help users identify instances of content duplication across the internet. By comparing submitted text or URLs against billions of web pages, it enables individuals and businesses to protect their original content and maintain content integrity. Besides plagiarism checking, Copyscape offers additional services such as Copysentry, which provides ongoing monitoring of new duplicates of web content. Known for its user-friendly interface and robust detection algorithms, Copyscape is a popular choice among writers, publishers, and digital marketers seeking to safeguard their content.