Copyscape is a product that you can use to check for plagiarism. Copyscape is one of the most popular and widely used plagiarism checker software. Owned by Indigo Stream Technologies, Copyscape is considered one of the top solutions when it comes to checking duplicate content.

If you are a blogger and wish to check your content before it goes live or you manage a content writing agency that needs to check a lot of content before delivering it to the client, Copyscape will perfectly fit your need.

It is a very simple-to-use software but it can do a great job.

The free version of the software allows you to find copies of your content. You can add the URL of your page and check if there is any copy of the same on the web. It is very useful to check mirror sites created with your content or someone stealing your content.

The premium version of Copyscape gives you the option to check your content before you publish. Copyscape also offers a premium API that you can integrate with your content flow to check duplicates in your content.