Copyscape is a free plagiarism checker. The software lets you detect duplicate content and check if your text is original.

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Copyscape provides the world’s most powerful and most popular online plagiarism detection solutions, ranked #1 by independent tests. Copyscape is trusted by millions of website owners …

Free comparison of two web pages or pieces of text, powered by Copyscape's technology.

An overview of Copyscape's products, including Copyscape Premium and Copysentry.

Copyscape provides a free service that lets you easily search for plagiarism online and identify instances of content theft. Simply type in the URL of your original content, and Copyscape …

Copyscape is the global industry standard trusted by millions of website owners to check the originality of new content, prevent duplicate content, and search for copies of their content online.

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Copyscape Premium offers the most advanced plagiarism search on the web. Learn more below or download our PDF brochure. Content managers can use Copyscape Premium to check the …

Copyscape helps you protect your site against the threats of online plagiarism. The free Copyscape service provides online copyright protection by allowing you to easily search for …