best free plagiarism checker tools

Five Best Free Plagiarism Checker Tools In 2023

Plagiarism is simply a nightmare for any writer. It is one of those mistakes you should never make in your career as a content writer. 

In simple words, plagiarism is copying someone else’s work without giving them any credit. Now, if you are thinking – does that really happen? Well, yes, a lot of writers do that or try to rephrase someone else’s work. 

However, in some cases, the writer unintentionally does it without even realizing it. Hence, with some of the best free plagiarism checker tools, you can always be sure whether the content is 100% original or not. 

So, are you ready to discover the top five best free plagiarism checkers in 2023? 

Let’s start  

Why should you use a plagiarism checker? 

I think many of you will agree that when we write something, we get influenced by the last thing we’ve read. And it can be something related to your topic, any article, a book, or a paper. 

Hence, checking the originality of your content, especially for web content writing, is very important as it can lead you to legal trouble. 

Free Plagiarism Checkers in 2023

Here’s a list of some best free plagiarism checkers you can easily use and master in 2023. 

1. Grammarly Plagiarism Checker

If you want to solve all of your writing-related problems at once, Grammarly is the best free option you can look for. With Grammarly, you can check your article against thousands of related articles and detect every possibility of it being copied. 

Note: If you want to see the full result of the plagiarism report, you need to sign up for a Grammarly account. It’s completely free to use for plagiarism, spell check, and som major grammar mistakes.

Key features:

  • Checks plagiarism profoundly 
  • Grammar check and best rewrite suggestions
  • Checks the clarity and engagement of the writing 
  • Suitable for any browser extension 
  • Supported File formats – Doc, Docx, Txt, RTF, ODT, Htm, Html.

Although Grammarly is free to use, you can also get the premium version, which offers many interesting and helpful benefits. 

Hey, friend! 👋 Just a quick disclosure: some links in this post are affiliated, which means I may earn a commission if you sign up or make a purchase. It doesn’t cost you anything but helps me keep creating content like this. Thank you for your support! 🙂

2. Plagiarism Detector

If you are looking for something that can keep your data safe and check your article simultaneously, Plagiarism Detector is the perfect tool for you. It has 1000 word limit per search. 

You can also go for its premium version, which offers three different versions for students, institutional, and business uses. Moreover, it can also detect matching phrases and word choices for a more detailed inspection. 

Key features:

  • Has in-depth search technology.
  • Supports different file formats (Doc, Docx, Txt).
  • Provides a PDF report.

3. SmallSEOTools

Another reliable source for checking the plagiarism of your article is SmallSEOTools. It is a completely free and easy-to-use tool. 

Moreover, it can also help you check if your article has any spelling mistakes or count the words for you. However, this tool is limited to 1000 words per search.  And to use this tool, you can paste your text here, enter the URL, or upload the document file. 

Key features:

  • This tool is available on the Google play store, App Store, and Mac Store.
  • This tool can support any file format (Doc, Docx, Txt, PDF, Tex)
  • You can easily access the API and plugin of this tool. 

SmallSEOTools is the best thing you can rely on to ensure your copy is genuine. And with this, you can also download the plagiarism report.  

4. PrepostSEO

PrepostSEO is a free plagiarism-checking tool that gives you accurate data after checking your article. With this, you can check up to 1000 words per search completely free. This tool also comes in the premium version, where you can search for 25,000 words at once. 

Key features:

  • It can support different file formats.
  • Has API support.
  • Excellent customer support policy. 
  • Searches your article thoroughly to detect any plagiarism.

This tool is one of the best sources you can trust to check whether it’s your academic paper or any web content copy. 

5. Duplichecker 

Your search for finding the best plagiarism-checking tool can end with the Duplichecker. This tool provides expert writing suggestions along with a reliable plagiarism-checking procedure. 

Moreover, with Duplichecker, you can easily paste your text here or enter the URL of your text. And the benefits don’t stop here; it has free tools for spell-checking, word-counting, grammar-checking, etc.

Key features:

  • Thoroughly checks plagiarism 
  • Checks grammatical mistakes
  • Supports multiple file formats (Doc, Docx, Txt, RTF, ODT, Htm, Html)
  • Has API and plugin support

Personal Suggestion

Even though free tools provide a decent service, they are not 100% reliable. Moreover, tools like Grammarly also fail to detect accurate plag sources. Hence, it’s always best to use premium tools like Copyscape to detect accurately. 

However, if you’re not willing to pay anything, you must use a minimum of two free tools. It’s because the result of a single tool is not completely reliable.


So, are you still worried about your article’s originality? Don’t worry, with the help of these five best free plagiarism checker tools; you can be 100% sure about it. 

And don’t forget, writing is not easy. So, if you are trying hard to become a content writer, don’t be stupid not to create your own writing style. 


Q. Why is plagiarism-checking important?

Ensuring the originality of your content is very important to avoid any legal issues. Copying someone else’s work can lead you to direct disadvantages and legal troubles. 

Q. How can I check the plagiarism of my content?

You can use many free and paid plagiarism-checking tools to sort out this problem. For instance, you can use Grammarly, Duplichecker, etc., for free. You can opt for paid plagiarism checker tools if you want more secure and accurate results. 

Q. Can I check plagiarism on Grammarly for free?

Yes, you can check your text on Grammarly for free to see if it’s plagiarism free. But if you want a better result, you can go for its premium version. 

Q.  Which tool is best for plagiarism?

You can use many useful tools for plagiarism checking, like Copyscape, Grammarly, Quetext,, etc. 

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