Plagiarism Checker

Check text, documents, and URLs for plagiarism with our advanced duplicate content detection tool.

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About This Tool

Our free online plagiarism checker helps you detect duplicate content in text, uploaded documents (DOC, DOCX, PDF, TXT), and web pages. Simply paste text, upload a file, or enter a URL to check for plagiarism against billions of web pages. Get detailed similarity reports with highlighted matches and source URLs to ensure content originality and improve SEO performance.

Save your calculation history with a free account

How to Use

Choose input method: paste text, upload document, or enter URL
Click 'Check Plagiarism' button
View detailed similarity report with matched sources
Review highlighted text comparisons to identify duplicate content

Frequently Asked Questions

Find Quick Answers

What file formats does the plagiarism checker support?

Our tool supports DOC, DOCX, PDF, and TXT files for document uploads, plus direct text input and URL analysis.

How accurate is the plagiarism detection?

The tool compares your content against billions of web pages using advanced algorithms to provide accurate similarity percentages and source matching.

Is the plagiarism checker completely free?

Yes, this tool is completely free to use with no hidden charges or subscription requirements.

Does the tool store my checked content?

No, we do not store or save any content you check for plagiarism. All processing is done in real-time and results are discarded after your session.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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