Copyscape

Copyscape is software that checks whether text has been copied elsewhere online. Writers, publishers and businesses use it to confirm that content is original before it goes live.

What Copyscape offers

• Web copy search — searches for matching or duplicate copies of submitted content.
• Copysentry — monitors the web continuously and sends email alerts when new copies appear.
• API — lets other software run Copyscape checks.
• Warning banners — free banners that site owners can display to discourage copying.
• AI content checks — promoted for checking AI-generated text as well as human writing.

Who it works with

Its site names publishing, content marketing, SEO, education and research among its customer areas, and says it has been running for over two decades.

Key facts

• Premium tier: Adds unlimited searches and API access
• Alert type: Email