Free Plagiarism Detector - No Sign Up Required

Check any document for plagiarism. Completely free, no registration, no credit card, no word limits. Instant similarity score.

100% Free ForeverNo Sign-Up RequiredNo Word LimitNo Credit CardUnlimited ChecksEU-Hosted

Most plagiarism detectors charge per scan or require institutional subscriptions. Turnitin requires institutional licensing, Copyleaks costs $9.99/month, PlagScan charges per page. Our plagiarism detector is completely free — no sign-up, no credit card, no word-count fees, unlimited checks. Upload any PDF or DOCX or paste text directly to get a similarity score in seconds, processed entirely inside the EU. Whether you're a student checking your thesis, a teacher reviewing assignments, or a researcher verifying a manuscript, our tool delivers without barriers.

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Why Choose Our Free Plagiarism Detector?

Truly Free

No hidden costs, no premium tiers, no 'free trial' limitations. Free for everyone, always.

No Registration

No account, no email verification, no personal data collection. Just upload and check.

Unlimited Use

Check as many documents as you need. No daily limits, no monthly quotas.

EU-Hosted

All processing happens inside the EU on Firebase Functions in europe-west1 (Belgium).

How Our Free Plagiarism Detector Works

  • Upload your document in PDF or DOCX format, or paste your text directly.
  • Our detector scans the text for overlap with common-knowledge sources and standard phrasing.
  • You receive an instant similarity score and a clear pass-style verdict.
  • Processing runs entirely inside the EU. Your text never leaves Google Cloud's EU infrastructure.
  • Revise flagged sections and re-check as many times as you need — unlimited, free.

Free vs. Paid Plagiarism Tools

  1. Turnitin: Requires institutional license. Not available to individual students.
  2. Copyleaks: $9.99/month for 100 pages. No genuine free tier.
  3. PlagScan: Charges per page. Free tier limited to 2,000 words.
  4. Grammarly Premium: Plagiarism feature requires $12/month subscription.
  5. ThesisDraft Plagiarism Detector: 100% free. No limits. No sign-up. EU-hosted.

Frequently Asked Questions

Yes. 100% free with no limitations. No sign-up, no credit card, no word-count fees, no daily caps. Not a 'freemium' tool — there is no premium tier.
We offer this as a free tool to help students and educators. Our main business is professional thesis drafting.
Soft cap of 30,000 words per check, which covers any standard academic document. Otherwise unlimited.
Entirely inside the EU on Firebase Functions in europe-west1 (Belgium). Your text never leaves Google Cloud's EU infrastructure.
Documents and results are stored in our EU bucket so you can revisit your run. We don't share them with third parties.
Yes. Essays, theses, dissertations, research papers, homework, articles — any text in PDF or DOCX or pasted directly.

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