Turnitin AI Detector

Turnitin AI Detector helps you instantly identify AI-generated content in any text or image. Whether you're a teacher, student, writer, or editor, our powerful detection engine analyzes every sentence and every pixel to give you confidence in what's real.

✅ KEY FEATURES (TEXT):
- Paste any text and get instant AI detection results
- Sentence-level highlighting, AI text in red, human text in white
- Percentage score showing AI vs Human content ratio
- Detection history with full results saved locally
- Fast and accurate analysis powered by advanced AI

✍️ NEW: HUMANIZE AI TEXT:
- Rewrite AI-generated text so it sounds more natural and human
- Paste your text or upload a PDF or DOC/DOCX file (Pro)
- Your paragraph structure is kept in the result
- Copy the rewritten text in one tap
- Humanize history saved locally on your device
- Free plan: uses your daily text checks. Pro and Business plans: unlimited humanize

🖼️ NEW: AI IMAGE DETECTOR:
- Upload any photo and instantly check if it's AI-generated or real
- Visual heatmap highlights exactly where AI signals were detected
- Percentage confidence score for every image
- Image detection history saved separately for easy access

📄 FILE UPLOAD (Pro):
- Upload PDF and DOC/DOCX files directly
- Auto-trims to word limit for seamless processing

🔒 FREE PLAN:
- 500 word limit per text check
- 10 text checks per day
- Daily AI image checks included
- Full sentence-level highlighting

⭐ PRO PLANS - Choose what fits you:
- Starter ($5/mo): Unlimited daily text checks + 100 AI image checks/month
- Pro ($10/mo): Unlimited daily text checks + 1,500 AI image checks/month
- Business ($20/mo): Unlimited daily text checks + 5,000 AI image checks/month
- All Pro plans include: 5,000 word limit, PDF & DOC file upload, priority analysis, and a completely ad-free experience
- Switch plans anytime

👨‍🏫 PERFECT FOR:
- Teachers checking student essays and submitted images for AI content
- Students verifying their own writing
- Content writers ensuring originality
- SEO specialists maintaining human content quality
- Editors reviewing freelancer submissions
- Bloggers and creators protecting their brand voice

🔐 PRIVACY & SECURITY:
- Gmail account required for secure authentication
- Email verification for account security
- All data encrypted in transit
- Uploaded images are processed and deleted immediately, never stored on our servers
- Detection history stored locally on your device
- We never sell your data

Simple, fast, and accurate, Turnitin AI Detector gives you the confidence to know exactly what's AI-generated and what's real in text and images.

Recent changes:
Fixed an issue where some subscribers lost Pro access after purchase. Subscriptions and Restore Purchases now work reliably, even on slow internet.