Polygraf AI Content Detector: Advanced Plagiarism & ChatGPT Detector

Get Free Polygraf AI content detector with plagiarism checker to identify ChatGPT, Gemini, Mistral, Llama, Grammarly.

Polygraf AI Content Detector is a powerful Chrome extension designed to identify AI-generated text and plagiarism with over 98% accuracy. It detects content from top AI models including ChatGPT, GPT-4, Google Gemini, Meta Llama 3, Mistral AI, Grammarly, and Claude. Users can highlight text anywhere online to instantly verify authenticity, edit and scan within one interface, and access advanced features like AI content humanizing and summarization.

Ideal for editors, writers, students, and marketers, Polygraf offers unique capabilities such as distinguishing Grammarly-enhanced text from AI-generated content, forensic linguistic analysis, and comprehensive reporting. Premium features include AI source detection, copyright detection, advanced plagiarism checking, and website AI analysis, ensuring your content is credible and original while maintaining privacy and data security.

User reviews

Polygraf AI Content Detector is highly praised for its accurate AI content detection, seamless integration, and useful in-depth analysis features. Users appreciate its ease of use and real-time checking, making it essential for academics, writers, and marketers who seek authenticity. However, multiple users report login issues including usability and security concerns, along with desires for expanded features like document analysis. Overall, it is regarded as a reliable and valuable tool that enhances confidence in content originality.
Pros
  • Accurately detects whether content is AI-generated or human-written
  • Integrates seamlessly into users' workflows without needing copy-pasting
  • Provides in-depth analysis including features like cognitive flow index and deception filter
  • Easy to use with real-time analysis
  • Helps ensure originality and authenticity, especially for academic and professional writing
Cons
  • Requires login which some users find intrusive or hard to use due to issues like email phishing concerns
  • Login window UI has readability issues and Google login can fail
  • Lacks some desired features like document analysis, which users hope will be added soon
  • Some initial skepticism before users found it reliable
Recent reviews
Polygraf AI has officially become an essential part of the content writing workflow. Its ability to accurately detect whether content is written by humans or AI is impressive. Other useful features include the copyright detector, writing analysis, cognitive flow index, and the AI humanizer. I recommend Polygraf AI to marketers, writers, and academic professionals alike!
by Pa*****, 2025-06-13

This is so cool! It helps me write and rewrite everything that is AI generated and also helps me to see on LinkedIn or other sources who is using AI generated content for their posts. So many other tools available and I think its worth checking out
by We*****, 2025-06-07

Not found as was expected
by Mo*****, 2025-02-28
View all user reviews ›

Extension safety

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Polygraf AI Content Detector: Advanced Plagiarism & ChatGPT Detector requires very minimum permissions.

Risk impact analysis details
  • High Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
Risk likelihood
Risk likelihood measures the probability that a Chrome extension may turn malicious. This is determined by the publisher and the Chrome extension reputation on Chrome Web Store, the amount of time the Chrome extension has been around, and other signals about the Chrome extension. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Chrome extension.

Polygraf AI Content Detector: Advanced Plagiarism & ChatGPT Detector is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this extension.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
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  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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