Duplicate Content Checker is a free tool that can Cross compare unlimited articles to find the duplicate content. It will help you not being penalized by search engines.
Duplicate Content checker is created for content writers who want to make high quality article content manually. It will help you find the duplicate content and highlight them out as well as give you the percentage of duplication within the unlimited articles. You can set how the duplicate content calculation is determined.
Using Duplicate Content Checker you can edit, rewrite and compare articles quickly and easily, getting rid of duplicate content to protect your search engine ranking avoid the dreaded duplicate content penalty.