Upload a PDF or DOCX. Get a detailed report showing exactly which sentences are AI-generated — with 99.2% accuracy.
Start Free Scan1 free scan/day. No credit card required.
Three steps. Under a minute.
Drag and drop your PDF or DOCX file. Up to 50,000 words.
Every sentence is checked against AI patterns with 99.2% accuracy.
Download a PDF with AI highlights, scores, and plagiarism results.
Detects ChatGPT, Claude, Gemini, and AI paraphrasing tools.
Upload and get results instantly, even for 50-page documents.
Professional reports with sentence-level highlighting and confidence scores.
Check against billions of web pages and academic databases.
Upload directly — original formatting preserved, no copy-pasting.
SSL encrypted, GDPR compliant. Documents never stored permanently.
| Feature | Turnitzone | GPTZero | Turnitin |
|---|---|---|---|
| AI Detection Accuracy | 99.2% | ~85% | ~90% |
| Plagiarism Check Included | |||
| PDF Report Export | |||
| DOCX & PDF Upload | |||
| Sentence-Level Highlighting | |||
| Free Plan Available | |||
| Pay Per Use (No Subscription) | |||
| Starting Price | $8 | $15/mo | Custom |
Choose the plan that fits your needs
For individuals and students
20 credits
For regular users
For professional educators
250 credits
For institutions
"Turnitzone has been a game-changer for our university. The accuracy is remarkable and the reports are incredibly detailed."
"We switched from another tool and the difference is night and day. Much faster, more accurate, and reports look professional."
"The reseller program is excellent. Easy to manage, great margins, and my clients love the quality of the reports."
"Fast, reliable, and the sentence highlighting saves me hours of manual checking every week."
Our AI detection engine achieves 99.2% accuracy across ChatGPT, Claude, Gemini and popular paraphrasing tools.
We support PDF, DOCX and TXT files up to 20MB and 50,000 words.
Most documents are analyzed in under 30 seconds, even 50-page files.
Yes — every account starts with 2 free credits and 1 AI scan per day, no card required.
Yes, plagiarism detection scans against billions of web pages and academic databases.
Yes, our Institution plan and reseller program offer volume pricing. Contact us for details.
Earn by selling Turnitzone keys to institutions and students. Get your own dashboard and track revenue.
Join as ResellerUpload your first document free. No credit card, no commitments.
Start Free Scan