Plag

Plag is a multilingual AI content detector and plagiarism checker designed for students, educators, publishers, and professionals. It analyzes documents and texts to identify AI-generated content (from tools like ChatGPT, Gemini, Claude, et al.), checks for plagiarism and translated plagiarism, and provides detailed, downloadable PDF reports. Plag excels at detecting AI and plagiarized text in over 50 languages, focuses on privacy (does not share your files with third parties), and offers features such as manual text 'humanization', proofing, and an intuitive, user-friendly experience.