Find the best plagiarism checker sites like Turnitin by browsing our list below. We worked hard to find the top rated grammar and content tools on the internet, allowing students, teachers and institutions to have quality tools for free.

Turnitin is a fully-featured platform for students who wish to check their content for similarities. However, Turnitin also has a ton of extra features that allow you to improve your overall writing skills. If you love these features, you’re going to love our list of Turnitin alternatives.

We made sure to only include free plagiarism checking sites so you never have to pay to check your content. Our list of sites like Turnitin will make it easier than ever for you to proofread your content, check it for plagiarism and increase your writing skills simultaneously.

WhiteSmoke

WhiteSmoke is another excellent place to go if you need to check for plagiarism online. This website is among the top Turnitin alternatives because it’s 100% free to use and comes with a great selection of additional features. This tool is easy to use, corrects grammar mistakes instantly and can be used from a computer, tablet or smartphone. Check out WhiteSmoke right now as one of the best grammar tools online.

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Grammarly

Grammarly is the largest and most popular grammar checking tool online. It also has a built-in plagiarism checker, allowing you to quickly find similar content online. Using this free grammar tool is as simple as pasting the content onto their platform or dragging a document. Grammarly lets you improve your word choice, ensure proper grammar and prevent duplicate content.

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Unplag

Unplag is among the best websites for detecting plagiarism online. Whether you want to check your essay before turning it in or even if you’re a college professor with hundreds of papers to check per week, Unplag has what you’re looking for. They have solutions that cater to your specific needs, so whatever your needs are, you will find excellent plagiarism detection tools on their platform. Check it out now!

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Plagramme

Plagramme is one of the best plagiarism detector sites for students, teachers and institutions. This site is completely free to use and they provide you with excellent tools that make the process even more accurate. One of the major benefits of using Plagramme is that it works with dozens of different languages. Whether you want to check a quick article or an entire novel, Plagramme is the place to go!

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PaperRater

PaperRater is among the best sites like Turnitin online. They have a huge selection of features including one of the most powerful plagiarism detectors on the internet. PaperRater also specializes in grammar checking, allowing you to easily make sure that no spelling mistakes slip through. PaperRater is free to use and is a must-have tool for writers, students and teachers.

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Viper

The Viper Plagiarism Scanner is one of the best plagiarism detection tools online. As an entirely free tool, you will never be asked to pay in order to use it. Users can submit unlimited documents and you will always be shown links to plagiarized content. Viper also allows users to make side-by-side comparisons to easily see how bad the plagiarism truly is. Give Viper Plagiarism Scanner a try now!

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Copyscape

Copyscape is the best option when searching for sites like Turnitin for online content. If you own a website, you should always check for duplicate content with Copyscape. They can check for plagiarized content at no cost, but the premium Copyscape features require you to pay a few pennies per page. Copyscape analyzes millions of web pages within seconds, providing you with highly accurate results.

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Dupli Checker

Dupli Checker is easily placed among the top sites like Turnitin online. They allow you to paste or drag a document directly onto their website in order to begin checking it for plagiarism. Dupli Checker is highly accurate and can analyze millions of pages within moments. Dupli Checker is extremely fast and simple to use, making it a great option for students, teachers and website owners.