Plagiarism Checker

Plagiarism Checker AI is a free online tool that uses AI to detect plagiarism and determine if text was written by an AI system like ChatGPT. The tool is able to check up to 25,000 words at once across over a billion documents, ebooks, databases and websites in multiple languages. It generates a plagiarism report highlighting any copied content in red and offers additional features like grammar checking and citation assistance to improve writing quality.

In addition to plagiarism detection, it can provide an “AI score” which states the likelihood that input text was generated by an AI language model. While the basic plagiarism and AI detection are free, premium paid plans offer increased word limits and additional capabilities.