Plagius - Plagiarism Detector

Plagius - Plagiarism Detector is a software that analyzes academic papers and documents in search of suspected plagiarism.

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If the text was copied from the internet, the Plagius will find out!

Plagiarism Checker

Plagius is a desktop plagiarism checker software that analyzes documents looking for suspected plagiarism by searching on the internet or in local files.

It is a tool to help in the hard task of finding plagiarism, allowing you to easily find sentences copied directly from websites or other files in your computer.

Plagius examines documents of various formats (Word, PDF, OpenOffice, HTML, RTF, plain text...) and displays detailed reports, informing the references found, the frequency of occurrences on the Internet and the percentage of suspected plagiarism.


Plagius - Main Screen

Find the site from where it was copied

Search for suspected plagiarism in documents by searching through various internet search engines

Supports multiple file formats

The Plagius supports Word files (doc and docx), PDF, OpenOffice, PPT, Html, RTF, plain text...

Your work is safe

The Plagius does the analysis locally, on your computer.

Your work is not sent to be analyzed remotely.

Support is guaranteed

Free support by email

Free updates

Easy to use

It is very simple to use: choose a file and start the analysis!

Quality Results

It has exclusive algorithms that improve the quality and reliability of the result.

Local Comparison

Also looks for similarities with files on your computer.

* Professional version only.

No use limit

Use the Plagius at will, there is no page limit, analysis or file size.

Plagius - Result screen


Advanced algorithm that discards insignificant occurrences

Builds detailed report with dynamic information about the analysis, including:

  • Suspicious phrases and their sources;
  • URLs found, with percentage of similarity;
  • Percentage of suspected plagiarism and quality indicators of the analysis;
  • Opens the analysis result in your Web Browser or exports it to a html file.

Know more about the plagiarism report of the Plagius.

Plagius Professional

Get all plagiarism detection features with Plagius Professional.

Local Search: It allows you to search similarities in files from your computer or network shares, click for more.

Batch Search: Too many files to analyze? No problem, with Plagius Professional you can add all files at once and let the Plagius analyze them all.

Scan a page on the internet: If the text you want to analyze is on a website, page or blog, with the Plagius Professional you can enter the URL and the program will search for similar passages on the internet.

Plagius Professiona cut
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  • Windows 7, 8 or 10
  • Internet connection
  • You must have administrator privileges to install
  • Legacy mode in Windows XP with Microsoft .Net Framework
  • For full operation, we recommend disabling Firewall and Antivirus, or add Plagius in the exception list of these programs.

Need help?

Use our online contact,
or send us an email:

Support is free!

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Plagius Personal

$ 12.90

$ 9.90 per year

  • All standard features: performs searches for plagiarism suspicions on the Internet
  • The license is valid for 12 months
  • Allows use on one computer
  • Free support



Plagius Professional

$ 22.90

$ 19.50 for two years

  • All features of the Personal version
  • The license is valid for 24 months
  • Analyzes text from pages on the Internet
  • Allows compare with local files
  • Analyzes batch files
  • Allows use on one computer
  • Free support



Business Licenses

Request for quotation


  • All features of the Professional version
  • The license is valid for 24 months
  • Progressive discounts according to quantity of licenses
  • Custom configuration of number of computers per license
  • Free support

Contact us

Plagius is safe

Free from viruses, spyware or hidden programs.

Besides being easy to uninstall.

See the Virus Total report.

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