Top 20 plagiarism checker tool for students

Plagiarism is one of the most significant concerns for students in today’s academic world. Whether you're writing an essay, research paper, or thesis, making sure your work is free from plagiarism is essential. While it is possible to cite sources correctly and paraphrase well, sometimes accidental plagiarism can slip through the cracks. This is where plagiarism checkers come in, helping students to identify and fix unintentional errors before submitting their work.

1. Turnitin

Turnitin is widely known as the gold standard in plagiarism checking. Most academic institutions use Turnitin to check students' submissions for originality. It compares your content with a vast database of academic journals, student papers, and online content to find similarities. Its similarity report is comprehensive and includes suggestions for citation correction.

Pros :
• Extensive database, comprehensive reports, integrated with many learning management systems (LMS).
Cons :
• Expensive, access is often restricted to institutions, not individuals.

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2. Grammarly

Grammarly is one of the most popular grammar checkers, but it also includes a plagiarism checking feature. It checks your text against billions of web pages to detect copied content. It's an excellent tool for students who want both grammar and plagiarism checks in one package.

Pros :
• Easy to use, checks both plagiarism and grammar, integrates with various platforms.
Cons :
• Limited plagiarism detection in the free version, requires a premium subscription for full features.

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3. Quetext

Quetext is a user-friendly plagiarism checker designed for students and educators. It provides a plagiarism score and highlights exact matches found in your text. Quetext offers both free and pro versions, with the pro version offering more detailed results.

Pros :
• Free version available, detailed reports, easy-to-use interface.
Cons :
• The free version is somewhat limited in the number of checks you can perform.

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4. Copyscape

Copyscape is widely used by webmasters to detect duplicate content. It compares your content against billions of web pages and highlights matches. Copyscape offers both free and premium versions, with the premium version offering more advanced features.

Pros :
• Simple to use, fast and accurate, allows for batch checking.
Cons :
• Limited free checks, premium version is costly for students on a budget.

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5. Plagscan

Plagscan is an academic plagiarism detection tool that offers highly detailed reports. It checks for plagiarism in a variety of languages and compares the text to both academic papers and online sources.

Pros :
• Highly accurate, supports multiple languages, detailed reports.
Cons :
• Limited number of free checks, requires payment for more detailed results.

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6. Duplichecker

Duplichecker is a free plagiarism detection tool that’s perfect for students on a budget. It’s simple to use, allowing you to copy-paste your content or upload documents. While it offers a free version, premium features are available for more frequent checks.

Pros :
• Free version available, fast and simple to use.
Cons :
• Limited checks in the free version, not as comprehensive as other tools.

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7. Plagiarism Checker (Small SEO Tools)

This plagiarism checker is part of a suite of SEO tools. It scans the internet for duplicate content, comparing your work against various online resources. The tool is simple and intuitive, making it ideal for students who need to quickly check their work.

Pros :
• Free to use, fast, no account creation required.
Cons :
• Limited accuracy compared to paid tools, ads may be distracting.

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8. Scribbr

Scribbr is a well-known plagiarism detection tool that’s specifically designed for students and academics. It checks against a large database of scholarly articles and sources, offering in-depth reports and suggestions for fixing citations.

Pros :
• High accuracy, detailed reports, excellent customer service.
Cons :
• Expensive, not as affordable as other tools for students.

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9. Plagiarism Checker X

Plagiarism Checker X offers a range of features to check for plagiarism, including the ability to scan multiple file formats and compare documents in different languages. The tool is designed for both students and teachers.

Pros :
• Multi-language support, batch checking, fast results.
Cons :
• Paid version is required for full features, free version has limitations.

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10. PrePostSEO

PrePostSEO is a free plagiarism checker tool with a simple interface. It checks your text for duplicate content across the web and provides a report with the percentage of similarity.

Pros :
• Free version available, supports a variety of file formats.
Cons :
• Limited checks in the free version, not as accurate as premium services.

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11. PlagiarismDetector.net

PlagiarismDetector.net offers both a free and premium version. It’s designed for students, writers, and educators, checking documents for similarities across millions of online sources. It also highlights matched sections for easy revision.

Pros :
• Detailed report, free version available, supports multiple file types.
Cons :
• Premium version needed for frequent checks, free version has limited functionality.

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12. DupliChecker

DupliChecker is another simple plagiarism checker that’s perfect for students needing quick checks. It offers both a free and paid version, with the paid version offering more features, including advanced plagiarism detection and additional checks.

Pros :
• Free version available, fast results.
Cons :
• Limitations in free version, paid version is required for more thorough checks.

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13. Viper

Viper is a plagiarism checker that scans your content and compares it to a large database of academic papers, journals, and online content. The free version offers a basic plagiarism scan, while the premium version provides more detailed checks.

Pros :
• Free version available, detailed reports, user-friendly.
Cons :
• Premium version is expensive for students.

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14. Plagiarism Checker (Search Engine Reports)

Search Engine Reports offers a free plagiarism checker tool that can detect duplicate content across the web. It’s straightforward and easy to use, making it a good option for students looking for a quick scan.

Pros :
• Free to use, simple interface.
Cons :
• Limited accuracy in free version, ads may interrupt usage.

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15. Unicheck

Unicheck is a plagiarism detection tool used by universities and educational institutions around the world. It compares content to a vast database of online sources and academic papers, providing detailed reports with similarity percentages.

Pros :
• High accuracy, user-friendly, customizable reports.
Cons :
• Not as affordable for individual students, requires a subscription.

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16. Plagium

Plagium offers plagiarism checking for text and online content. Its features include the ability to check for both partial and full text duplication, as well as the ability to perform deep searches for a more comprehensive scan.

Pros :
• Free version available, quick results, supports multiple file formats.
Cons :
• Requires payment for advanced features, free version is limited.

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17. PlagiarismCheck.org

PlagiarismCheck.org offers detailed plagiarism reports by comparing your text against academic databases and online sources. The tool is designed for students, teachers, and researchers.

Pros :
• High accuracy, academic-oriented, detailed reports.
Cons :
• Expensive for individual students, limited features in free version.

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18. CitePlag

CitePlag is a free plagiarism detection tool that compares your document against online sources and academic databases. It is primarily aimed at students and researchers who need to ensure that their work is original.

Pros :
• Free to use, simple interface, fast results.
Cons :
• Limited features compared to premium tools.

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19. Plagiarism Checker by EduBirdie

EduBirdie’s plagiarism checker is a free tool designed to help students ensure their work is free from plagiarism. It provides a detailed analysis of text and compares it with online sources.

Pros :
• Free to use, easy to navigate.
Cons :
• Less comprehensive compared to premium tools.

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20. Plagiarisma

Plagiarisma is another plagiarism checker that checks documents in over 190 languages. It compares your text to online resources and academic papers to detect any plagiarism.

Pros :
• Multi-language support, quick and easy to use.
Cons :
• Free version has limitations, premium features are required for more in-depth scans.