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Paperpal Plagiarism Checker

Free Online Plagiarism Checker For Students and Academics

Avoid accidental plagiarism in your academic text with Paperpal’s accurate online plagiarism checker.

Loved by

1.5Mn+

academics globally
Perfected

3Bn+

words
Built on

22+

years of STM experience
Trusted by

400+

journals worldwide
Advocated by Top Universities, Professors and Students in 125+ Countries
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Why is Paperpal Better Than Other Free Plagiarism Checkers Online?
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Avoid accidental plagiarism in your academic text with Paperpal’s accurate online plagiarism checker.
  • Industry-leading plagiarism prevention check
    Avoid accidental or self-plagiarism with Paperpal’s free plagiarism checker. Get a similarity score, side-by-side comparisons, and color-coded results with the full report.
  • Instant comparison against billions of sources
    Scan your academic text against an extensive database of 99 billion webpages, including 200 million Open Access research articles, to detect similar phrasing and synonym swapping in minutes.
  • Access to our all-in-one academic writing toolkit
    Unlock your academic writing potential with Paperpal's toolkit. Access generative AI writing, paraphrasing, text shortening, and more to quickly address issues flagged by our free plagiarism checker.

Try Paperpal's Free Plagiarism Checker

Scan up to 7,000 words (~25 pages) and identify overall similarity range with top sources of similarity at no cost.

How to Use Paperpal's Free Plagiarism Checker to Write Responsibly
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Step 1

Check your paper for similarity

Even if your writing is original, it may have high similarity with other sources. Run your academic papers through our free plagiarism checker to identify similarity or overlooked citations.
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Step 2

Review report for actionable items

Scan the plagiarism report and similarity score; check the flagged sources to see if they are relevant to your work and identify problem areas to address.
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Step 3

Write in your own voice

Commonly used expressions may raise your similarity score. Use our Language and Rewrite features to quickly add variety to text; remember to retain your unique style.
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Step 4

Cite any overlooked sources

Even if your topic is novel, it’s prudent to compare your work with related publications; cite these works meaningfully in your writing, and if using exact wording, add quotation marks.

Get Free Report

Maintain Academic Integrity with the Best Plagiarism Checker Tool

Achieve writing excellence with our secure, reliable online plagiarism checker

Analyzes

Plagiarism check against 97% of top publications

Provides

Real-time plagiarism report with similarity score

Accuracy

Trusted by educators and institutions worldwide

Monthly scan

7,000 words for free and 10,000 words (~36 pages) with Paperpal Prime

Who Does Paperpal's Plagiarism Checker Help?
Students
Students

Paperpal plagiarism checker helps you produce high-quality, original writing by identifying missed citations or similar phrases. This minimizes the risk of academic penalties, such as suspension for accidental plagiarism.

Essays & Assignments
Essays & Assignments
Thesis/Dissertation
Thesis/Dissertation
Coursework Papers
Coursework Papers
Applications
Applications
Educators
Educators

Use our plagiarism checker to maintain high academic standards and promote integrity in the classroom. It also helps to streamline grading, identify potential plagiarism, and guide students on proper citation practices.

Class Assignments
Class Assignments
Research Proposals
Research Proposals
Thesis/Dissertation
Thesis/Dissertation
Research Papers
Research Papers
Researchers
Researchers

Rely on our trusted plagiarism checker software to avoid desk rejections due to prevent accidental and self-plagiarism. It is an essential step to help you ensure authenticity, maintain credibility, and protect your reputation.

Journal Articles
Journal Articles
Grant Proposals
Grant Proposals
Conference Papers
Conference Papers
Case Reports
Case Reports
Paperpal is not for those
Looking for a generic, non-academic plagiarism checker
Looking to simply mask academic misconduct
Paperpal Prime
Get 10,000 words/month (roughly 36 pages) of Plagiarism checks, and buy additional checks if needed.
GET UNLIMITED
Generative AI features
Citation generation
Language correction
Contextual synonyms
Academic translation
Submission readiness checks
Rated 4.4/5 on Trustpilot
"Because of Paperpal, my manuscript is now free of errors, more concise and more readable!"
Pedro Rodriques
Portugal
"I've found Paperpal to be the best AI helper for academic work. It has a pretty versatile suite of tools designed to help you improve your style and academic creativity in ways that are also ethically sound."
Devin Roza
Italy

Paperpal Offers More Than An Online Plagiarism Checker

Paperpal Prime provides comprehensive language correction, paraphrasing, and generative AI writing capabilities to transform your academic writing.

feature imageAI Paraphrasing Tool

Use Rewrite to paraphrase content and add variety, achieve an academic tone, and reduce length to achieve clear, concise, impactful academic writing.

feature imageAI Grammar Checker

Leverage in-depth grammar checks that quickly identify and correct spelling, punctuation, and complex language and grammar errors in minutes.

feature imageGenerative AI Assistant

Access our suite of secure generative AI features designed to help you overcome writer’s block and deliver high-quality, original content, every time.

Frequently Asked Questions

Simply login and upload your document to scan it for plagiarism. The free plagiarism checker allows you to scan up to 7000 words per month. Upgrade to Paperpal Prime to unlock 10,000 words or buy additional credits.

Take the first step toward
academic writing excellence

Start Writing  - It's Free

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