Question: I need a plagiarism checker that can detect copied content in my essays, do you know of any reliable tools?

If you're looking for a plagiarism checker you can trust, Paperpal is a good choice. It's got a lot of features, including accurate plagiarism detection with a score showing how similar the text is, grammar checking that runs in the background, and a paraphrasing tool that keeps the tone formal. It works in many languages and can be plugged into MS Word, so it's good for writing at any stage. Paperpal also has data protection with ISO/IEC 27001:2013 certification.

Copyleaks is another powerful tool that's good at finding plagiarized material and AI-generated text. It can check for plagiarism in more than 100 languages and has plugins for Learning Management Systems (LMS) so you can integrate it with your school or company's online course software. The company offers a range of tools, including AI Detector, Plagiarism Detector and Codeleaks, so it's a good option for schools and businesses that need to protect content.

GPTZero is designed to find text generated by large language models like ChatGPT and GPT-4. It's got a multi-step process to dig deeply into the text and offers features like Deep Scan for more thorough AI detection and Source Scanning for plagiarism. GPTZero offers several pricing tiers, including a free basic plan.

If you want a report, Plag offers a full-featured tool that can check text in more than 129 languages and that's got a big database of scholarly papers. It offers free plagiarism checks and reports starting at $5, so it's a good option for students and professionals who want to verify content without breaking the bank.