Question: Is there a free plagiarism checker that provides a detailed report on the authenticity of my documents?

If you're looking for a free plagiarism checker that generates detailed reports, Plag is a good option. It offers a free plagiarism check with estimated scores and supports 129+ languages. The tool has a large database of over 80 million scholarly articles, which means it can perform real-time checks against recently published content. It also offers a range of scores including similarity, plagiarism risk, and improper citation scores, and it highlights matched passages in the document for easy review. Educators can sign up for a free account to check up to 20 documents per month, so it's useful for students and professionals.

Another option is ZeroGPT Plus, an AI plagiarism detection tool. It's designed to detect text created by large language models like ChatGPT and GPT-4. It's good for students, writers and professionals who want to ensure their work is original. It's fast and accurate, supports multiple languages, and can be used on essays, reports, articles and other documents, so it's good for maintaining academic integrity and professional reputation.

If you're looking for a tool that specifically detects AI-generated content, GPTZero is a good option. It offers Deep Scan for in-depth analysis and Source Scanning for plagiarism detection. The system supports multiple languages and offers features like Origin Chrome Extension for browser-based AI detection and Writing Report for detailed analysis. It offers a range of plans, including a free plan with limited scans per hour, so it's good for different needs.

For a full plagiarism detection experience, Copyleaks offers a suite of products including an AI Detector, Plagiarism Detector and Writing Assistant. It supports multiple languages and integrates with Learning Management Systems (LMS). The company emphasizes data security and privacy, so it's a good option for institutions and companies that need strong content protection.