Top 11 Plagiarism Checkers for Students (Free & Paid)

Are you a student working on a thesis project or case study report for your college or school?

You must have done extensive research and prepared to submit your paper. To ensure that your work is entirely unique and free of any copied information, you must first run it through a plagiarism checker.

Using copied content is illegal, and it is of no use when it comes to your study goals. So it is better to use the plagiarism checker instead of copied content.

Many of you might struggle with choosing the best plagiarism checker that provides the best results. So considering that I have rounded up a list of the 11 best plagiarism checkers for students to help them write unique and quality research papers.

Top 11 Plagiarism Checkers for Students: In A Nutshell (2024)

If you are in a bit hurry, then here is a quick review of top plagiarism checkers for students (Paid as well as free).

Sr. No.PlatformKey Feature
1.GrammarlyRecommendation on grammar, vocabulary, and syntax as well as a variety of writing styles.
2.ScribbrCustomizable reports.
3.UnicheckAccurate similarity score.
4.CopyscapeFacility to compare two contents side by side.
5.ViperCheck against 10 billion+ sources.
6.Small SEO toolsHighlighted document view.
7.DupliCheckerMultiple ways of uploading content text.
8.QueTextDeepSearch technology.
9.PlagrammeAlerts the number of paraphrases in documents.
10.Plagiarism Checker XCheck multiple documents at once
11.CopyleaksCreate comprehensive plagiarism report

Let’s dig deep into it!

1. Grammarly Plagiarism Checker

Grammarly is one of the most popular tool for checking your plagiarism, vocabulary, and grammar mistakes. 

By comparing your text with academic papers in various databases, it detects plagiarism from ProQuest databases and over 16 billion online pages. 

It provides you a plagiarism alert when a piece of your text resembles something found online or in a database.

You simply need to copy and paste your content. Then Grammarly will underline your errors in green so that you will know the content that is precisely the same from another database.

Best Plagiarism Checker for Students - Grammarly

It also prevents other tools from accessing your text by not making it publicly searchable or accessible in any other database.

Want to learn more about Grammarly’s built-in plagiarism checker? Dive into our review, where we have explained how accurate is Grammarly plagiarism checker!


  • Recommendations for grammar, vocabulary, and syntax as well as various writing styles.
  • Quick report on many instances of content duplication.
  • Determines your document’s total originality score.
  • Excellent anti-plagiarism technology.


Basic Free
Premium$12.00 / month
Monthly$15.00 / month

Rating: 8.9/10

Our next pick is Scribbr. It detects everything from exact word and phrase matches to language where synonyms have been utilized.

2. Scribbr

Moreover, by detecting plagiarism, Scribbr provides professional editors that can proofread thesis documents, essays, literary reviews, and grant applications. 


This plagiarism checker is excellent for guaranteeing that your academic work, regardless of the subject, and has the highest caliber. 

Scribbr also offers an APA citation checker and generator so no one will question your resources.


  • Bulk uploading
  • Customizable reports
  • Data import and export 
  • Reporting and statistics


Basic Free
20 pages $ 5 .00 / check
50 pages$ 10.00 / check
100 pages$ 15.00 / check

Rating: 9.8/10

3. Unicheck

Unicheck offers exclusive value to its services by utilizing cutting-edge technology and clever design, which works fantastically.

Unicheck has a straightforward layout and extensive toolkits. It is the finest choice for individuals who want their text to be completely authentic.


It also provides an option for Google Docs add-on features, bulk uploads, and real-time search. 

You can download a report in PDF format with the same data you would get online. Additionally, you can get 24/7 service from Unicheck’s support team. 

It gives a thorough analysis that stops contract cheating, can instantly recognize similarities, and identify text revisions. 


  • Provides an accurate similarity score.
  • Analyze the submissions against the matched sources.
  • Navigate all sources safely.
  • Get statistics o student progress.
  • Support facility from the Unicheck team.


Basic up to 200 wordsFree
Words up to 7,500$ 18.95 / check
Words up to 7,500 – 50,000$ 28.95 / check
Words more than 50,000$ 39.95 / check

Review: 9.8/10

4. Copyscape

With Copyscape, users can instantly verify the authenticity of content that has been uploaded to their own systems.

Copyscape offers a free checking tool, a paid service, and API, as well as the Copysentry protection system, to fully automate plagiarism detection.


Copyscape can be your ideal choice if you want to maintain the health of your website.

 Also, you can directly enter your website URL into Copyscape and check if it matches with some other web pages.


  • Search content in batch.
  • Facility to compare two contents side by side.
  • Checks plagiarism easily and instantly
  • Text review and collaboration tools.


Basic Free
Copyscape Premium3 cents up to 200 words and 1 cent/ extra 100 words
Copysentry Standard$4.98/month up to 10 pages
Copysentry Professional$ 19.95/month up to 10 pages

Rating: 8.9/10

5. Viper

Another best plagiarism checker for students is Viper. It is really quick, effective, and simple. 

Viper is intended for students, corporations, teachers, and other professionals. Through your web browser, you can use it to track, catch, and lessen plagiarism in your writing.

It searches over 10 billion online sources, including books, essays, journals, and other online sources, and you are free to use it repeatedly—not just once or twice.


You can check early versions of your work for plagiarism and keep track of the score as you go. With a direct link to the source of the mirrored text, viper provides direct source matching. 

It works especially well for dissertations.


  • Easy to use interface.
  • Compare your content with other existing content with ease.
  • Check against 10 billion+ sources.
  • Simply amazing and fast scan speed.
  • Check multiple file types. 


Upto 5000 words$3.95
Up to 6000 to 18000 words$9.85 to $14.50
Above 50000 words $39.50

Rating: 9.7/10

6. Small SEO Tools

One of the free tools available on the website Small SEO Tools is a plagiarism detector. 

You can simply enter text into the scanner or upload a document from your computer or external drive to have it checked for any copied or plagiarised material.

When the scan is finished, you’ll receive a percentage indicating how unique or original your writing is, along with sentences and phrases highlighted in red. 

Small SEO Tools

It suggests that the copy is already online and won’t pass plagiarism checks.

You can upload multiple document formats to check for plagiarism. Moreover, you can also check the plagiarism via the website URL if your content is already published.


  • Multi-platform supportive.
  • Automatic rewriting feature.
  • Highlighted document view.
  • Anti-plagiarism reporting option.

Price: 100% Free

Ratings: 4.6/10

7. DupliChecker

Duplichecker is an excellent plagiarism detector that makes use of DeepSearch technology.

It provides a simple free version and a multifaceted premium version. The percentages of original, unique, and sentences with similar meanings will be displayed in your results. 

DupliChecker also offers a variety of other tools, such as paraphrasing, an image-to-text function, an MD5 generator, spell-checking, and a tool for changing text cases.


The plagiarism checker examines duplicate content and looks for any mirror copies in your document or web page. 

Additionally, it checks your grammar and optimizes the content you provide so you may turn in original work that will help you get good scores.


  • Multiple ways of uploading content text.
  • Upload from the device as well as cloud storage.
  • Accepts 7 formats of documents.
  • No registration is required.

Price: Free

Rating: 8.0/10

8. QueText

QueText is another tool that uses the DeepSearch technique. 

It has plagiarism detection algorithms that use deep learning,  contextual analysis, and word placement to produce more intelligent and logical findings when you scan a page.


It is adaptable, and you can check for plagiarism in news articles, academic papers, web pages, and blog entries. 

Side-by-side displays allow you to see where the copied text originated. Plus, a score is given to the content at the end of the procedure so you may assess how well it worked.


  • DeepSearch Technology.
  • Results with speed and accuracy.
  • contextual analysis.
  • Smart algorithms.


Basic Free
Pro Basic$9.99/month and $69/yr
Pro Plus$19.99/month and $129/yr
Pro Organization$49.99/month and $499/yr

Rating: 8.0/10

9. Plagramme

Plagramme has more exceptional capabilities available than you will in many other anti-plagiarism solutions. 

In addition to checking billions of sources, it flags your article for probable plagiarism, sections that may have been paraphrased, insufficient citations, and textual similarities.


You can easily determine how much of any item is at risk when you combine this with a transparent rating system.

Additionally, Plagramme provides an authenticity service in which its own editors manually review and correct texts.


  • Plagiarism risk score.
  • Alerts the number of paraphrases in documents.
  • Highlighted matches.
  • Improper citation detector.
  • Multi-language detection.


Basic Free up to 30 reports/month
Detailed Reports$0.35 per document

Rating: 7.9/10

10. Plagiarism Checker X

Plagiarism Checker X is a great option for students because it is completely free, and it helps students check for any duplication issues in their papers and assignments.

You can easily find the similarities in your text and, see where it is coming from and correct it accordingly to get better results & grades. Students from the University of Maribor, Ohio University, Delta State University, and Trinity College Dublin are using Plagiarism Checker X to improve their papers & assignments.

Plagiarism Checker X

To use this tool, you just need to copy-paste your text on the box or just copy-paste the URL of your text, and it will check your text against millions of results.

The best part about this tool is that its premium version is available with a one-time purchase of $39.95, unlike other tools listed on this list.


  • Import content from Google Docs, RTF, HTML, DOCX, and PDF.
  • Supports over 50 languages.
  • Side-by-side comparison with plag results to your text.
  • Cross-check multiple documents at once.


Professional$39.95 Once
Business$147.95 Once

Ratings: 7.9/10

11. Copyleaks

Copyleaks is an amazing plagiarism checker that has separate features for students, educators, bloggers, and freelance professionals. It supports over 100 languages, so you can easily check the plagiarism of your assignments in your own language.

Once you submit an assignment on Copyleaks to check for plagiarism, it will create a comprehensive report that can help you learn and also gain essential skills. You can also keep your grades safe with its AI content detector having proof that you haven’t completed your assignments using an AI chatbot or AI writing software.


Unlike other plagiarism checkers, Copyleaks shows you the phrases that are rephrased and similar to other content. So you can make necessary changes and make your content as unique as possible. 

Copyleaks helps you avoid accidental plagiarism by providing a complete report of your text. This plagiarism checker helps you ensure that your paper or assignments are 100% plagiarism free.


  • Check plagiarism in over 100 different languages
  • Supports all file formats
  • Codeleaks for code plagiarism checker
  • AI content detector

Price: One page is equivalent to 250 words.

10 PagesFree
100 Pages$10.99 per month
250 Pages$24.99 per month
500 Pages$40.99 per month
1000 Pages$75.99 per month

Rating: 7.8/10

Which is the best plagiarism checker for students?

Well, I have covered all the best plagiarism checkers that can be best for students as well as professionals.

These 9 best plagiarism checkers definitely ensures excellent results to excel in your academics and career goals.

If you still have doubts, then I would strongly recommend,

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