Copyscape is dedicated to protecting your valuable content online. We provide the world's most powerful and most popular online plagiarism detection solutions, ranked #1 by independent tests. Copyscape's products are trusted by millions of website owners worldwide to check the originality of their new content, prevent duplicate content, and search for copies of existing content online. Copyscape provides a free service for finding copies of your web pages online, as well as two more powerful professional solutions for preventing content theft and content fraud: Copyscape Premium provides more powerful plagiarism detection than the free service, plus a host of other features, including copy-paste originality checks, batch search, case tracking and an API. Copysentry provides comprehensive protection for your website by automatically scanning the web daily or weekly and emailing you when new copies of your content are found. Copyscape also offers free plagiarism warning banners for your website to warn potential plagiarists against stealing your content as well as a comprehensive guide to dealing with plagiarism.

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Copyscape is provided by Indigo Stream Technologies Ltd, a private company co-founded by Gideon Greenspan. Use of all Copyscape services is subject to the terms and conditions of use. For additional information, please see the frequently asked questions. You can also read press coverage of Copyscape or user testimonials from people like you. We welcome all your comments and suggestions on how we can improve Copyscape for your needs.