Paperpal logo
PricingBlogLoginGet Started
Paperpal Plagiarism Checker

Trusted Online Plagiarism Checker For Students and Academics

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

Trusted by


academics globally


Built on


years of STM experience
Advocated by


Why is Paperpal Better Than Other Online Plagiarism Checkers
We help you write confidently with Turnitin’s comprehensive, accurate online plagiarism checker
  • Industry-leading plagiarism prevention check
    Get a similarity score, side-by-side comparisons, and color-coded results. Avoid accidental or self-plagiarism with Paperpal’s plagiarism checker, in partnership with Turnitin.
  • Instant comparison against billions of sources
    Scan 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 toolkit
    Paperpal 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 Paperpal's Plagiarism Checker to Write Responsibly
icon img
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.
icon img
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.
icon img
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.
icon img
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 Started

Maintain Academic Integrity with the Best Plagiarism Checker Tool

Achieve writing excellence with our secure, reliable online plagiarism checker


Plagiarism check against 97% of top publications


Real-time plagiarism report with similarity score


Trusted by educators and institutions worldwide

Monthly scan

7,000 words (~25 pages) with Paperpal subscription

Who Does Paperpal's Plagiarism Checker Help?

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

Essays & Assignments
Essays & Assignments
Coursework Papers
Coursework Papers

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
Research Papers
Research Papers

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 just any free plagiarism checker
Looking to simply mask academic misconduct
Paperpal Prime
7000 words/ month (roughly 25 pages) of Plagiarism checks in partnership with Turnitin
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

Paperpal Offers More Than An Online Plagiarism Checker

Plagiarism check in partnership with

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 Tool

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.

Paperpal’s Plagiarism Checker - Frequently Asked Questions

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.

Take the first step toward
academic writing excellence

Start Writing  It's Free
Cactus Communications Services Pte Ltd  20 McCallum Street, #19-01, Tokio Marine Centre, Singapore 069046
cactus logo
Copyright 2024 Cactus Communications. All rights reserved.