Plagiarism Detection

Copyscape

The Original and Best Plagiarism Checker.

An online plagiarism detection service that checks for duplicate content on the web.

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Grammarly

Great Writing, Simplified.

AI-powered writing assistant that checks grammar, spelling, style, tone, and plagiarism.

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Scribbr

Your path to academic success.

An academic proofreading service that includes a plagiarism checker powered by Turnitin.

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Writer.com

The full-stack generative AI platform for enterprises.

An enterprise-focused AI writing platform that includes content generation, style guide enforcement, and plagiarism checking.

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ProWritingAid

A grammar checker, style editor, and writing mentor in one package.

An in-depth writing analysis tool that includes grammar, style, and plagiarism checks.

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Quetext

The smart way to check for plagiarism.

An online plagiarism detector and citation assistant using advanced algorithmic analysis.

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Turnitin

Empowering original thinking and authentic learning.

Comprehensive plagiarism detection and academic integrity solution for educational institutions.

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Copyleaks

Confidence in the age of AI.

An AI-powered platform for plagiarism and AI-generated content detection.

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PlagiarismCheck.org

An accurate plagiarism checker for teachers and students.

A plagiarism detection tool focused on the education sector with deep LMS integrations.

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Compilatio

Plagiarism detection and prevention.

A European plagiarism detection software for educational institutions and students.

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PrePostSEO Plagiarism Checker

A free online plagiarism checker to check for plagiarism.

A free plagiarism checker that is part of a large suite of content optimization and SEO tools.

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DupliChecker

Free Plagiarism Checker.

A free online toolkit that includes a plagiarism checker, grammar check, and various SEO tools.

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Plagium

A leading innovator in plagiarism checking.

A web-based plagiarism checker offering quick searches and in-depth analysis.

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SmallSEOTools Plagiarism Checker

100% Free Plagiarism Detector.

A popular free online tool for checking plagiarism, part of a larger suite of SEO tools.

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PaperRater

Free Online Proofreader with Grammar Check, Plagiarism Detection and more.

A free, web-based tool that provides automated proofreading and plagiarism checking.

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PlagTracker

Online Plagiarism Checker for Students, Teachers, and Writers.

A Ukrainian-based online plagiarism detection service launched in 2011.

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CheckForPlagiarism.net

Trusted by thousands of students, teachers, writers and professionals.

A plagiarism checking service that scans documents against billions of online and academic sources.

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Moss (Measure of Software Similarity)

A System for Detecting Software Plagiarism.

A free, web-based service for detecting plagiarism in programming code.

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Plagiarism Detector

Detect Plagiarism in your Content.

A free and premium online plagiarism checker for students, writers, and webmasters.

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NoPlag

Plagiarism Checker for Students and Teachers.

A subscription-based online plagiarism checker focused on the academic market.

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