Turnitin AI checker — check your paper before submission.
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DOCX, PDF, TXT or RTF · 400–30,000 words · max 40 MB
- Official Turnitin AI + similarity report
- Private processing — never added to a repository
- Most reports in 5–15 minutes
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How Turnitin’s AI detection works — and where it can be wrong
Will it be stored?
No. We remove identifying metadata and delete uploads within 24 hours. Not added to any repository.
How long does it take?
Most reports complete in 5–15 minutes; 99% within 30 minutes.
Why scores differ
Turnitin uses its own model and database. We explain what the numbers mean for you.
Can human writing be flagged?
Yes. AI detectors can make mistakes. Use the report to review, not accuse.
How to use the Turnitin AI checker
- 1
Upload
Drop your DOCX, PDF, TXT or RTF. We strip identifying metadata before processing.
- 2
Official report
Receive the official Turnitin AI + similarity report in 5–15 minutes (most reports).
- 3
Explain & revise
Get a plain-English explanation of your scores and practical next steps grounded in the official reports.
Your Turnitin AI & similarity report
22% detected as AI
Likely AI-generated text, including passages later rewritten with an AI paraphraser.
Caution: review required
AI detection has limits. Understand them before acting on anyone’s work — treat the score as a prompt to review, not proof.
- AI-generatedLikely written by a large language model, including text later run through an AI paraphraser22%
Submission preview
Recent advances in large language models have opened new possibilities for educational support. This study explores how students use AI writing tools and what factors influence the quality of the output. The results suggest that while AI can improve productivity, overreliance may reduce critical thinking.
Disclaimer: AI detection may produce false positives or false negatives. It is not a sole basis for any decision and requires human judgment. Sample shown.
Private Turnitin pre-submission check — file deleted in 24h
Metadata cleanup
We remove identifying metadata from your file before processing to protect your privacy.
24-hour upload deletion
Uploaded files are automatically deleted from our servers within 24 hours.
30-day report access
Access your reports anytime within 30 days, then they're removed.
Independent service. Not affiliated with Turnitin LLC.
Turnitin AI checker price — student plans from $4.99
Single Check
One-time · $4.99 per check
- 1 check
- Real official Turnitin report (AI + similarity)
- Never added to any repository
- 5–15 minutes (most reports)
Semester Pack
Most popularOne-time · $4.33 per check
- 3 checks
- Real official Turnitin report (AI + similarity)
- Never added to any repository
- 5–15 minutes (most reports)
Most picked. Credits never expire — no subscription.
Thesis Pack
One-time · $3.50 per check
- 10 checks
- Real official Turnitin report (AI + similarity)
- Never added to any repository
- Priority support (6h SLA)
Turnitin AI checker FAQ
Student guides for Turnitin AI and similarity scores
Learn what the numbers mean before you submit, then use SubmitSense when you need the official AI-writing and similarity report.
How does Turnitin work?
What Turnitin checks: AI writing, similarity, websites, copy-paste, and stored papers.
Check your Turnitin score before submitting
Safe ways to preview AI and similarity scores before your final class submission.
Turnitin Draft Coach
What Draft Coach does, who gets access, and what to use if your school does not provide it.
Does Turnitin detect AI?
How Turnitin detects AI writing, paraphrased AI, and low-similarity AI text.
How long does Turnitin take?
Normal report timing, resubmission delays, and why scores keep loading.
Does Turnitin detect Grammarly?
What is usually safe, and when Grammarly AI rewrites become risky.
Can Turnitin detect QuillBot?
Why AI paraphrasing is not a reliable way around Turnitin.
Is Turnitin free?
Student access, individual licenses, and free pre-check options.
Turnitin no repository
Repository storage, self-matches, and no-repository checks.
How to read a Similarity Report
Read matched sources, quotes, citations, exclusions, and what actually needs revision.
Turnitin similarity score explained
What counts as good, whether 36% is bad, and how to read matches.
What AI detector does Turnitin use?
The in-house detector, model scope, accuracy, and score limits.
Turnitin vs GPTZero
Why free detector scores differ from the Turnitin result your school may see.
Writing a paper too? Build references with the citation generator, or start with the free Turnitin AI checker.
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