Copyscape Plagiarism Checker - Duplicate Content Detection Software

Copyscape is the world's most trusted plagiarism checker. Embrace AI with confidence by using Copyscape to check your content before you publish. Hear it from our customers: “Productivity tool nobody can live without” Time, “Talk about an eye-opening experience” NBC News, “Definitely worth a look” CBS News, and more. Publishing plagiarized content on your website can expose you to legal liability and lower your search engine rankings. Whether written by humans or generated by AI, Copyscape checks if your content is unique before you publish. For over two decades, companies worldwide have trusted Copyscape as the industry standard for enterprise-class online plagiarism detection. Used by leading companies in publishing, Gen-AI, content marketing, SEO, education, research, and more, Copyscape's AI-powered engine scrutinizes all new content to ensure originality across various industries.