Plagiarism Detector By Copyleaks

CopyLeaks offers AI-based text analysis to ensure content integrity and transparency.

Maintain originality with award-winning plagiarism detection.

Powered by advanced artificial intelligence (AI), the Plagiarism Detector identifies plagiarism, paraphrasing, and AI-generated content in over 100 languages.

Detect Plagiarism In All Its Forms

The Plagiarism Detector checks for originality across paraphrasing, image-based plagiarism, manipulated characters, and even AI-generated text.

A High-Quality Plagiarism Report, Your Way

Choose the insights you want to see and how you want them reported.

Every plagiarism detection scan provides a detailed report, including web page links where potential findings are sourced from, generative AI detection, and more that can be customized, downloaded, and shared.

An Unparalleled Search For Your Most In-Depth Results

Search across an unparalleled database of resources for every scan, including:

  • 16,000+ open-access journals
  • 60 trillion websites and search engines, including Google, Bing, and more.
  • 1M+ internal documents
  • 20+ code data repositories

Ready to get started with the Copyleaks Plagiarism Detector?

LMS AI & Plagiarism Detector Integrations

Thoroughly scan for multiple forms of plagiarism, AI-generated
content, and more from your educational organization’s LMS.

Seamless LMS Integrations

Stay informed about what content is human-written or AI-generated.

A Powerful, Fully Customizable API Integration

Identify potential plagiarism, multiple forms of paraphrasing, copyright infringement, and more.

Highest Levels of Security & Compliance

Identify potential plagiarism, multiple forms of paraphrasing, copyright infringement, and more.

A Seamless LMS Experience

Inspire learning and error-free writing while keeping everything you need in one convenient place with a Copyleaks LMS integration.Take it beyond word-for-word detection with a comprehensive solution that:

LMS Integration Features

AI Detector

The award-winning AI detection solution is integrated seamlessly with your LMS, offering full model coverage, including ChatGPT, Claude, and Gemini.

Cross-Language Plagiarism Detection

Determine if a document was plagiarized from another language through online translation, with matching capabilities in over 30 languages, including Spanish, Chinese, German, and Portuguese.

Writing Assistant

Empower the writing process with a comprehensive solution for grammar corrections, sentence structure, tone suggestions, and overall mechanics without worrying about getting flagged as AI. Learn more here.

Source Code Detection

Copyleaks is the leading platform for verifying source code for originality and authenticity, including AI-generated code, recognizing potential code plagiarism, and detecting modified code.

Go Beyond Assignments

Expand your scanning options beyond assignments; upload files or simply paste text from discussion boards, quizzes, or anything else you want to run a scan on.

You’re In Control

Admins can decide what scan settings are universal and which can be adjusted based on the classroom needs. Plus, teachers can adjust scan settings based on assignments and decide how much student access they want to grant.

Unparalleled Search

Along with the ability to read over 100 human languages, every scan searches across trillions of pages of original content, plus:

60 trillion websites
1M+ internal documents
16,000+ open-access journals
20+ code data repositories
Source examples

More Informed Scans with Template Exclusion

Teachers can upload templates to exclude specific text when running a scan on a student’s assignment, preventing similar content detection regarding original questions, prompts, and more. Available with all LMS integrations.

A Fully Interactive Reporting Experience

Get a clear, comprehensive, and fully interactive report with every scan and customize it to see the information relevant to you and your students. Plus, there’s the option to download PDF reports and share them with your students.

Account Analytics

Analytics provides admins and educators with historical data on student submissions, allowing them to monitor recurring trends and make informed decisions about AI use, plagiarism, and more.

Get Started With Copyleaks today

Plagiarism Detector

Get award-winning plagiarism detection in over 100 languages, identify multiple forms of paraphrasing, and much more. Identify potential plagiarism across nearly every language, detect AI-generated content, and confirm authenticity and ownership with the Copyleaks Plagiarism Detector.

The Copyleaks Plagiarism Checker uses advanced AI to detect plagiarism in over 100 languages, the slightest variations within the text, paraphrasing, and AI-generated content.

Combined with the award-winning AI Detector, Codeleaks Source Code Detector, and the all-new Writing Assistant, for a truly full-spectrum suite dedicated to creating original, error-free content.

Codeleaks

Proactively mitigate risk and have full transparency with a robust solution that detects AI-generated code, plagiarized and modified source code and provides essential licensing details.

Guarantee complete visibility and transparency with the only solution that detects AI-generated code, even plagiarized and modified, and provides copyright licensing details.

Writing Assistant

Empower your writing with suggestions for grammar corrections, sentence structure, tone, overall mechanics, and more.

AI Grader

A revolutionary solution for efficiently and accurately grading tens of thousands of standardized tests at the state, national, and university-wide levels.

AI Detector

The award-winning solution and the only enterprise-level offering designed to identify if the content is human-written or AI with over 99% accuracy.

Generative AI Governance & Compliance

Adopt GenAI responsibly with the market-leading solution that helps you to create and enforce enterprise-wide policies, conduct audits, and more.

Helping organizations like yours

Request a Free Demo Today!