Paste your text to find out if AI helped write it.
Try for free • No registration required • Secure and private
Get detailed confidence percentages that show exactly how likely your text is to be AI-generated, with transparent scoring from 0-100%.
Our AI detector consistently outperforms trained human experts at identifying AI-generated content, providing more reliable results than manual review.
Advanced detection algorithms that can identify AI content even when it's been processed through humanization tools and paraphrasing software.
Accurately detects AI-generated content across 20+ languages including English, Spanish, French, German, Chinese, Japanese, and many more.
AI content detection, like the system used in ChatPDF's AI Detector, analyzes submitted text to identify whether it was written by artificial intelligence. The tool returns a confidence score based on the likelihood that the content is AI-generated.
The ChatPDF AI Detector achieves over 99% accuracy, as validated by independent academic studies. It's built using cutting-edge models trained on tens of millions of writing samples across multiple domains.
ChatPDF's false positive rate—meaning the chance of mistakenly labeling human-written text as AI—is extremely low: just 1 in 10,000. This is based on extensive testing against large, real-world datasets.
Yes. Any text you submit for analysis is treated as private and secure. We do not store or share your content beyond what's needed for processing your request.
ChatPDF supports AI detection in over 20 languages, including English, Spanish, French, German, Chinese, Arabic, Hindi, Japanese, Portuguese, Dutch, Russian, and many more.
The detector looks at writing style, word choice, syntax patterns, and grammar structures—not databases or web content. It does not rely on plagiarism detection, user history, or tracking behavior—only on the submitted text itself.
Many detectors rely on metrics like perplexity, which can incorrectly flag simple or predictable writing as AI. ChatPDF uses deep learning models trained to recognize broader writing patterns, which reduces false positives and improves reliability—especially in education or publishing settings.
Our detector is trusted by educators, editors, journalists, and professionals who need a reliable way to verify content originality. It's widely used in schools, universities, media organizations, and content moderation workflows.
ChatPDF's AI Detector analyzes writing patterns and linguistic signals in your text to determine if AI was used. If evidence of AI writing is found, it returns a confidence score indicating the strength of that prediction.
Absolutely. ChatPDF's AI Detector is designed to support academic integrity, editorial standards, and transparency in communication. It's ideal for evaluating essays, reports, press releases, and more.