Best AI Plagiarism Checker in 2025

You can use tools like QuillBot or Paraphraser.io to rephrase content for free and remove plagiarism.

ChatGPT doesn’t copy text directly, but if you use what it writes without citing it properly, it can still be seen as plagiarism.

PapersOwl offers plagiarism detection as part of its services, but it’s not considered as a precise or powerful tool for the same. Its effectiveness depends on the quality of its database

Yes, running your content through an online plagiarism checker might result in your work being marked as plagiarized later when assessed with another tool like Turnitin, since the site might keep your submitted text in its database and compare it with your future submissions.

To get accurate results while checking for plagiarism, utlize reputable tools like Turnitin, iThenticate, or Grammarly. Cracking Turnitin or similar platforms is illegal and unethical. You can consider free alternatives like Duplichecker for basic needs.