GPTZero - Free Download

Understand whether writing shows patterns associated with AI-generated or human text.
GPTZero gives you flexible ways to analyse content. Paste text from your clipboard, capture printed text with the camera, or import images from your gallery. On-device text recognition extracts the writing before analysis, and a clear result screen shows complementary AI and human probability scores.

Key features

• Paste short or long text without losing the original content
• Capture printed pages with the camera
• Import gallery images and extract their text
• Analyse the first 1,000 characters or the full document
• Process up to 20,000 characters in one request, with longer content handled in clear parts
• Use available scan credits for full document analysis
• Earn additional scan credits through optional rewarded video ads
• Follow clear progress while multiple rewards are required
• Open the result automatically after the final required reward
• Review AI and human probability scores in readable charts
• Choose light, dark, or system appearance
• Upgrade to Pro for expanded limits and an ad-free experience
• Restore purchases from Settings

AI-writing detection is probabilistic and can produce incorrect results. A result is not proof that a person or an AI system wrote the text. Always consider context, source material, revision history, and human judgment before making a decision.

Start with a free scan and analyse the writing that matters to you.