Free Plagiarism Checker

Check your essay or paper for plagiarism free - scan against billions of sources and get a detailed originality report with matched sources, similar to Turnitin.

Last updated: June 2026

★★★★★4.8 / 5 rating
100,000+ users
Turnitin-level accuracy
Enter Text to Check for Plagiarism*
Quota
0/500 credits used
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One-time purchase · No subscription · Instant activation
Credits Min. 2,000 words
Price per package$10.00
Total $10.00
Words: 0  ·  Characters: 0 Detect
📋 Textarea focused - press Ctrl+V (or Cmd+V) to paste
Splitting your text into segments...
0%
Plagiarism Detected
matching sources found
Similarity0%
No checker is 100% accurate - always review the matched passages before relying on this report.
How It Works

How Does Our Plagiarism Checker Work?

Three powerful stages run every time you hit Detect - here's what happens under the hood.

01

Text Analysis & Database Comparison

The tool breaks your document into smaller text segments for detailed analysis, then compares your text against an extensive database of academic papers, articles, and websites using advanced algorithms.

02

Plagiarism Detection

The tool identifies exact matches, paraphrased content, and duplicate sections within your document. It highlights these instances and checks citations to ensure proper attribution.

03

Detailed Reports

A detailed report is generated including highlighted matches, source links, and an overall similarity percentage - so you can review issues and maintain originality in your writing.

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Done Detecting Plagiarism?

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01AI Content DetectorCheck the AI percentage of your content→ 02Grammar CheckerFix grammar, punctuation & style errors→ 03Sentence Structure AnalysisAnalyze and improve sentence complexity→ 04Readability Analysis ToolScore and improve content readability→ 05AI Essay WriterGenerate full essays from a topic→ 06Paraphrasing ToolRephrase plagiarized text in minutes→
FAQ

Frequently Asked Questions

Everything you need to know about our Plagiarism Checker.

It is a tool that scans your content to identify any instances of plagiarism - the act of using someone else's work without proper attribution. Our AI-powered checker compares your text against billions of web pages, academic papers, and publications to ensure your content is original.
You can check various types of content, including essays, articles, research papers, blog posts, and more. The tool supports both direct text pasting and PDF uploads for your convenience.
Yes, we prioritize the security of your content. Your submissions are encrypted and stored securely. We do not share your content with third parties under any circumstances.
Our tool compares your content against a wide range of sources, including online websites, academic journals, publications, and more. It checks billions of web pages and millions of publications to ensure comprehensive results.
If the tool detects similarities in your content, review the highlighted sections and properly attribute the original sources. You can rephrase or provide proper citations to ensure your work is original.
Typically, keeping similarities or direct matches from another source within 15% of the total text of your article, paper, or essay is advised. Include proper citations whenever you use content verbatim from another source. The final acceptable percentage depends upon your institutional policies.
Yes, PerfectEssayWriter.ai offers an AI plagiarism checker free. Our advanced tool lets you scan your work for duplicate content for free with the first 500 credits. After using the initial free credits, you can continue with our affordable credit packages.

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