Plagiarism Checker

Check documents, text, or web pages for plagiarism with accurate similarity detection

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23,500+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

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About This Tool

Our comprehensive plagiarism checker helps you detect duplicate content across multiple sources. Upload documents (TXT, PDF, DOCX), paste text directly, or enter URLs to check web content. The tool uses advanced text similarity algorithms to compare your content against known sources and highlight matching sections with detailed similarity percentages. Perfect for students, writers, educators, and content creators who need to ensure originality.

Save your calculation history with a free account

How to Use

Choose your input method: upload a document, paste text, or enter a URL
For file upload: click the upload area or browse to select a TXT, PDF, or DOCX file
For text input: paste your content directly into the text area
For URL input: enter the full web address of the page to check
Click the 'Check for Plagiarism' button to analyze your content
View the detailed results showing similarity percentage and highlighted matches

Frequently Asked Questions

Find Quick Answers

What file formats does the plagiarism checker support?

The tool supports TXT, PDF, and DOCX files for upload. For other formats, please copy and paste the text directly or convert to a supported format first.

How accurate is the plagiarism detection?

Our tool uses advanced text similarity algorithms that provide accurate detection of duplicate content. However, for academic or professional use, we recommend using specialized plagiarism detection services with larger databases.

Does the tool store my uploaded documents?

No, all processing is done in memory and files are deleted immediately after analysis. We do not store or share your content.

Can I check web pages for plagiarism?

Yes, you can enter any URL and the tool will fetch the page content and check it for duplicate text across the web.

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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