ZeroGPT Plus is a free, no-login AI-powered content plagiarism checker. It’s built to detect content generated by AI tools like ChatGPT, Gemini, Claude and Copilot. Using advanced technology, it scans text against a vast database to spot signs of AI-generated content. On top of that, this tool can also humanize AI-written content to make it sound more natural. You can even pick different languages and styles to match your needs.