Use a Plagiarism Checker to detect plagiarism or duplication from the Internet’s billions of web pages. You simply copy and paste your content and the site would detect if your content or part of it is plagiariazed or copyrighted. And often you can conduct as may searches as you want. Most of these sites are pretty accurate and is ideal for use by teachers, students, writers, and freelancers.
Viper Plagiarism Checker