QuillBot’s AI detector is a simple, free-to-use online tool that helps users understand whether their text is likely written by a human or generated with AI. Without requiring an account, it allows scans of up to 1,200 words and delivers clear probability results showing if content appears AI-written, AI-edited, or human-created. This makes it especially useful for students, educators, and content creators who want a quick originality check before submitting or publishing their work. What sets this AI detector apart is how smoothly it connects with QuillBot’s broader writing tools. Users can immediately refine flagged content using features like the Grammar Checker, Paraphraser, or Plagiarism Checker, all within the same platform. From academic writing to marketing copy, QuillBot provides an easy and efficient way to review, improve, and maintain authentic content.


