Plagiarism Checker

Plagiarism & Grammar Checker

Check your text for plagiarism, grammar, and spelling.

AI scans for exact-match plagiarism (W-Shingling + database) AND flags every grammar, punctuation, spelling, and style issue. Free up to 1,000 words.

Grammar Punctuation Spelling Other / Style Plagiarism scan
0 words (Free limit: 1,000)
Premium - Deep Scan
Check up to 100,000 words. Upload Word files. 3 uses per license.
Get Premium

Free: 1,000 words. Premium: 100,000 words + file upload. 3 uses per license.

How to Use the Plagiarism Checker

Instructions
  1. Free Tier: Paste up to 1,000 words into the text box.
  2. Premium Tier: Click "I already have a license key", paste your key, and click Apply. You can now check up to 100,000 words or upload a Word (.docx) file.
  3. Click "Check Plagiarism" to start the scan.
  4. View your overall Plagiarism Score and see exactly which sentences were copied.
How to Purchase Premium
  1. Click the "Get Premium" button above.
  2. Complete your secure payment on Gumroad.
  3. Check your email for your unique license key.
  4. Return to this page, click "I already have a license key", and paste it.
  5. Click "Apply" to unlock premium features.
Premium Features
  • Check up to 100,000 words at once.
  • Upload MS Word (.docx) files directly.
  • Deep AI scan for paraphrased text.
  • Database match detection (catches copied papers from other users).
  • 3 uses per license key.
🔒 Privacy & Database Notice

By using this Plagiarism Checker, you agree that your text will be securely stored in our database to compare against future submissions for plagiarism detection. This is how we build our algorithm to become smarter over time.

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