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Best Plagiarism Checkers for Research Papers

Best plagiarism checkers

As most research for academic papers comes from already published work, there is always a possibility that the work produced may be plagiarized. For this reason, after finishing any academic paper, it is important to run it through a plagiarism checker to ensure that you don’t get penalized because of any type of plagiarism.

Even though there is a variety, some plagiarism checkers are more effective than others. This article will explore the variety of products offered, and finally give a determination of the best plagiarism checkers for research papers.

This determination of the best free plagiarism checkers will be done taking into consideration a number of factors. These include the checker’s access to a scholarly database, whether the checker is trusted by higher institutions of learning and whether it is safe and secure for use by any student.

Some of the best plagiarism checkers for research papers are as explained below


Even though it is best known for checking grammar mistakes in a document, Grammarly has a plagiarism checker as well. Just like the grammar checker, all you have to do is paste or upload your document into the space provided the scan for plagiarism.

What makes Grammarly one of the best plagiarism checkers for research papers is that it checks more than just whether your work is unoriginal. Grammar, punctuation and spelling mistakes are also highlighted, together with whether the sentence structures are in order.

The disadvantage of the site is that you have to pay for the plagiarism checker, even though there is a 7-day trial after you sign up. After the 7 days, you can choose to cancel your subscription.


Turnitin is one of the most used and trusted plagiarism checkers on the internet today. It is used by both institutions and students, and contains a wide database of scholarly sources, except for those unavailable on the internet.

What makes this site one of the best free plagiarism checkers is that where an institution has purchased it, students in the institution can use it for free. Further, if parts of your document are plagiarized, simply paraphrasing the said statements would bypass the checker and render the document original.

You might also like Six proven ways to cheat Turnitin



When compared to other paid plagiarism checkers, Plagscan is relatively cheaper. It is free to check the first 2,000 words, but after that, you will be required to subscribe to a payment plan to use it.

The advantages of Plagscan as a plagiarism checker include their money-back guarantee, the ease of usability of the site, and good accuracy when flagging plagiarized text.

On the other hand, the major disadvantage of this site is its small database of scholarly sources when compared to other checkers like Grammarly and Turnitin. Therefore, some plagiarized text may not be identified. Further, in a few unique cases, the website might indicate that there is plagiarism where there is none.


ProWritingAid is more than just a plagiarism checker. It is a holistic editing tool that checks your grammar, sentence structures, the readability of your work, diction, overused words, and clichéd statements, among other tools.

Furthermore, the plagiarism checker comes with three options: a free trial, a free version, and a paid version. Therefore, whatever your budgetary needs are, the site has got you covered.

The downside to this website is that since it is not originally a plagiarism checker, their database is not wide hence there is always a chance that plagiarized work may not be highlighted. However, if your research paper is not one with a wide variety of sources and you are working on a low budget, ProWritingAid would be an ideal plagiarism checker for you.

When you type “best plagiarism checkers for research papers,” into a search engine, you will come across thousands of options. However, picking a plagiarism checker should not be done arbitrarily.

Plagiarism checkers should be able to highlight the sentences that are unoriginal, determine the percentage of similarity and possibly offer alternative sources. If it is unable to do these, then you should find another plagiarism checker.

The ones reviewed above are currently the best plagiarism checkers on the internet.

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