Paperpal Plagiarism Checker

Stay Original, Stay Ahead: Free Plagiarism Checker for Academics

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

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Write Responsibly

Trusted by

1Mn+

academics globally

Refined

3Bn+

words

Built on

22+

years of STM experience

Advocated by

400+

journals

Why is Paperpal Free Plagiarism Checker Better Than Others

We help you write confidently 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 Paperpal'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
Unlock your academic writing potential with Paperpal's AI writing toolkit. Access generative AI writing, paraphrasing, text shortening, and more so you can quickly address issues flagged by our plagiarism checker software.

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How to Use Paperpal's Free 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 free plagiarism check to identify the overall similarity range.

Step 2

Identify top similarity sources

Paperpal’s free plagiarism report identifies the top three sources which are similar to your text. Review them and make necessary changes to your text.

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.

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Paperpal Offers More Than A Free Online Plagiarism Checker

Plagiarism check in partnership with turnitin logo

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

AI Paraphrasing Tool

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

AI Grammar Checker

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

Generative 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.

Start Writing - It's Free

Trusted By Top Universities, Publishers And Academic Writers From More Than 125 Countries

Try Paperpal's Plagiarism Checker for Free

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

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Maintain Academic Integrity with the Best Plagiarism Checker Tool

Get your free plagiarism check today and identify accidental plagiarism before it’s too late

Analyzes	Plagiarism check against 97% of top publications
Provides	Real-time plagiarism report with similarity score
Accuracy	Trusted by educators and institutions worldwide
Free scan	7,000 words (~25 pages) with Paperpal’s free account

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Upgrade to Paperpal Prime

Get 10,000 words/month (roughly 36 pages) of Plagiarism checks and buy additional checks if needed.

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Generative AI features

Citation generation

Language Corrections

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