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 your results 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.
Free Plagiarism Detector - No Sign Up Required
Check any document before submission. Free for the first 1,500 words, no registration, no credit card. This is not a database comparison - it finds uncited quotations and self-repetition, which is what you can still fixs. Instant similarity score.
100% Free ForeverNo Sign-Up RequiredFree to 1,500 WordsNo Credit CardUnlimited ChecksEU-Hosted
Paste Text
0 words
DOCX formatting is preserved
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 get the exact sentences we flagged - stock academic phrases and uncited quotations that inflate a similarity report. We do not compare against a database, so we never invent a percentage.
- 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
- Turnitin: Requires institutional license. Not available to individual students.
- Copyleaks: $9.99/month for 100 pages. No genuine free tier.
- PlagScan: Charges per page. Free tier limited to 2,000 words.
- Grammarly Premium: Plagiarism feature requires $12/month subscription.
- ThesisDraft Plagiarism Detector: First 1,500 words free. No sign-up. EU-hosted.
Frequently Asked Questions
The first 1,500 words are free, with no sign-up and no card. A full document up to 30,000 words is a one-time EUR 4.99. No subscription.
The free tier is real and stays free. Checking a whole document is the paid check - €4.99, one payment, no subscription.
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.
Related Plagiarism Check Tools
Check your whole thesis
Check the whole document instead of the first 1,500 words, with our measured error rate beside the verdict and a report you can download. One payment of €4.99, no subscription, no account.
See what the full check costs