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Free Plagiarism Checker – Scan Essays & Papers for 100% Originality

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We guarantee plagiarism-free work and that your custom college papers will pass Turnitin. Since Turnitin saves all files, we check papers with Copyleaks and Copyscape.
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If you like the writer, you can hire them again. Just copy & paste their ID on the order form ("Preferred Writer's ID" field). This way, your vocabulary will be uniform, and the writer will be aware of your needs.
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Anthropology
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English 101
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I need plagiarism-free content

How To Use Grammarly Plagiarism Checker

Get your essays checked for plagiarism  by our in house plagiarism checker tool all for free!

Plagiarism can destroy your academic career, even if unintentional. Professors use advanced detection software, and a single unmatched source can result in failing grades, academic probation, or worse. Manually checking every sentence against millions of online sources, academic papers, and databases is impossible—until now.

Our free plagiarism checker solves this problem instantly. Upload your essay, research paper, or assignment and receive a comprehensive scan against billions of web pages, academic journals, student papers, and proprietary databases. The tool identifies exact matches, paraphrased content, and even AI-generated text that might flag your work.

Unlike basic checkers, our advanced algorithm provides detailed similarity reports with highlighted matches, source links, and percentage scores. You’ll see exactly what needs fixing, allowing you to rewrite problematic sections confidently. Best features include unlimited free scans, multiple file format support (DOCX, PDF, TXT), and GDPR-compliant privacy—no data storage or sharing.

Students worldwide trust this tool to verify originality before submission, saving hours of worry and ensuring compliance with strict academic integrity policies. Whether checking a 500-word essay or 50-page thesis, get accurate results in seconds.

Protect your grades and reputation. Start your free scan below, or learn how our plagiarism checker works and why it’s essential for every serious student.​

What the Plagiarism Checker Does

Our plagiarism checker scans your document against 20+ billion web pages, 100 million+ academic papers, and proprietary student paper databases to detect copied content, improper citations, and paraphrased plagiarism. It generates a clear percentage score with color-coded highlights showing exact matches (red), similar phrasing (orange), and cited content (green).

The tool excels at identifying AI-generated content and sophisticated paraphrasing that evades basic detectors. Detailed reports include source URLs for every match, helping you verify legitimacy and make informed revisions. Multi-language support covers English, Spanish, French, German, and more.​

How It Works

Powered by advanced AI and machine learning, the plagiarism checker uses multi-layered scanning technology:

  • Deep Web Analysis: Crawls current internet content including news, blogs, and forums

  • Academic Database Search: Compares against journals, theses, and student submissions

  • AI Detection: Identifies machine-generated text patterns

  • Citation Verification: Flags uncited quotes and common knowledge misuse

Upload files or paste text directly. The scan completes in 10-60 seconds depending on length, delivering precise results without false positives from common phrases.​

Why Students Need a Plagiarism Checker

  • Avoid Academic Penalties: 68% of professors fail papers with >10% similarity—catch issues before submission

  • Verify AI Content: Detects ChatGPT, Jasper, and other AI writing that flags Turnitin

  • Save Time: Instant scans vs. hours manually googling phrases

  • Improve Writing: See weak citations and over-reliance on sources

  • Build Confidence: Submit knowing your work passes any detector

  • Free & Unlimited: No word limits, no credit cards, no registration​

Step-by-Step Instructions

  1. Paste Text or Upload File: Copy your essay into the box or upload DOCX/PDF/TXT (up to 10,000 words free)

  2. Select Scan Options: Choose deep scan, AI detection, or citation check

  3. Click “Check Plagiarism”: Processing takes 10-60 seconds

  4. Review Detailed Report: See percentage score, highlighted matches, and source links

  5. Fix Issues & Rescan: Rewrite flagged sections and verify improvements

Pro Tip: Always scan before final submission. For more tools, visit our Free Writing Tools page. Try our Essay Rewriter for flagged sections.

Frequently Asked Questions (FAQ)

Q: Is this plagiarism checker really free?
A: Yes, unlimited free scans up to 10,000 words each. No registration required.​

Q: What databases does it scan?
A: 20B+ web pages, 100M+ academic papers, proprietary student database, and AI content repositories.​

Q: Does it detect AI-generated content?
A: Yes, identifies ChatGPT, GPT-4, Claude, and other AI writing patterns with 95%+ accuracy.

Q: Will it catch paraphrased plagiarism?
A: Absolutely. Advanced algorithms detect reworded content that matches original sources semantically.

Q: Are my documents stored or shared?
A: No. Files deleted immediately after scanning. GDPR compliant with zero data retention.

Q: What file formats work?
A: DOCX, DOC, PDF, TXT, ODT, RTF. Paste text directly for instant checking.

Q: How accurate are the results?
A: 99.9% accurate, comparable to Turnitin/Grammarly. False positives minimized.​

Need professional help creating original content? Our Essay Writing Services guarantee 100% unique papers.

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