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Paperpal Plagiarism Checker

Trusted Online Plagiarism Checker For Students and Academics

Avoid accidental plagiarism in your academic text with Paperpal’s accurate plagiarism detector, in partnership with Turnitin
Trusted by


academics globally


Built on


years of STM experience
Advocated by


journals worldwide
Why Paperpal is Better Than Other Plagiarism Checkers Online
We help you write confidently with Turnitin’s comprehensive, accurate similarity checker
Industry-leading plagiarism prevention checkThe plagiarism checker, in partnership with Turnitin, gives you a similarity score, side-by-side comparisons, and color-coded results to help you avoid accidental or self-plagiarism.
Instant comparison against billions of sourcesScan your academic text against Turnitin’s 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 toolkitPaperpal Prime gives you full access to our paraphrasing tool, language checks, and more so you can quickly address issues flagged by the plagiarism checker software.

How to Use the Paperpal Plagiarism Checker to Write Responsibly

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 plagiarism check to identify similarity or overlooked citations.
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.
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.
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.

Maintain Academic Integrity with the Best Plagiarism Check Tool

Achieve writing excellence with our secure, reliable plagiarism checker

AI grammar checkerAnalyzes
Plagiarism check against 97% of top publications
In-depth checksProvides
Real-time plagiarism report with similarity score
English dialectsAccuracy
Trusted by educators and institutions worldwide
Accuracy guaranteedMonthly scan
7,000 words (~25 pages) with Paperpal subscription
Who Benefits From the Paperpal Plagiarism Checker?
Avoid being penalized or suspended for accidental plagiarism. Our online plagiarism checker enables you to produce high-quality, original work by identifying missed citations or similar phrases.
Essays & Assignments
Coursework Papers
Uphold academic standards and foster a culture of honesty in the classroom. Use our trusted plagiarism checker to streamline grading, identify plagiarism, and guide students on proper citation practices.
Class Assignments
Research Proposals
Research Papers
Preempt unjustified desk rejection due to accidental plagiarism. Use our plagiarism checker software to avoid unintentional self-plagiarism, maintain credibility, and safeguard your reputation.
Journal Articles
Grant Proposals
Conference Papers
Case Reports
Paperpal is not for those
Looking for just any free plagiarism checker
Looking to simply mask academic misconduct
Paperpal Prime
Plagiarism check
(In partnership with Turnitin)
7,000 words/month
(roughly 25 pages)
Also Get Unlimited
Paraphrasing suggestions
Language correction
Contextual synonyms
Academic translation
Submission readiness checks
Generative AI features
Rated 4.4/5 on Trustpilot
"Because of Paperpal, my manuscript is now free of errors, more concise and more readable!"
Pedro Rodriques
"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

Frequently Asked Questions: Paperpal’s Plagiarism Checker

All Prime subscribers have access to Paperpal's online plagiarism check provided in partnership with Turnitin. You can upgrade here to start checking your document for plagiarism.

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