best online plagiarism checker tools

7 Best Online Plagiarism Checker Tools and Sites

Plagiarism is one of the worst things on the Internet. No matter how hard you try, there are always chances that your original work might get copied by someone. However, if you are working with articles and text content, then its pretty easy to check for copied content using some of the best online plagiarism checker tools and sites.

No one likes copied content and if you have hired writers to create articles for your website, then you have to take all the precautions that you can to avoid publishing copied content on your website.

Since plagiarism is a serious issue in a lot of fields, especially on the Internet and in the academic world, you need to take advantage of these plagiarism checker tools to detect the copied material.

In this article, we have made a list of the best online plagiarism checker tools that you can use to detect copied articles and take action against the culprit.

Best Online Plagiarism Checker Tools

1. Grammarly

Though, Grammarly is the best tool to correct grammar errors in your article, it also has an amazing feature that allows you to check for plagiarized content in your articles.

Grammarly is one of the best plagiarism checker tools that anyone can use including teachers, students, website owners, article writers etc.

grammarly plagiarism checker

However, the Plagiarism Checker tool is available only in the premium version of Grammarly.

However, you can use the online version of the plagiarism checker tool of Grammarly for as long as you need. But if you want to take the full advantage of the tool, then I recommend you to go with the premium version of Grammarly and unlock all the amazing grammar features of the tool.

Related: Best Online Grammar Checker Tools

2. Copyscape

Unlike other tools in this list, Copyscape only checks for articles published on the Internet. You can enter the URL of any article and the tool will scan for copied content.

If you want to copy and paste text to check for any plagiarized content, then you will need to sign up with Copyscape premium.


3. Plagiarism Checker by SmallSEOTools offers an online plagiarism checker tool that you can use to test for copied content. You simply have to copy-paste the article text and then click on the “Check for Plagiarism” button below. The tool has a 1000 words limit per search so if your article is long, then break it down into multiple parts.

smallseotools plagiarism checker


If you are a teacher and you want to find out if your students submitted papers containing copied content or not, then you can use to look for plagiarized content.

Simply, go to the site and copy-paste the article in the box and click on the Search button. If the content was copied, then you will see results on the page.

online plagiarism checker

5. The Plagiarism Checker by Dustball

If you have a Word document that you want to scan for copied content, then you can upload your MS Word document and check the content using Plagiarism Checker by Dustball.

You can also copy and paste the text in the box to check for plagiarism. The service is available for free but if you want more powerful detection, then you can go with the premium version.

plagiarism checker dustball


Plagiarisma offers a search box to check for copied content online and it also offers the option to download its software and install it on your computer.

If you use Google Chrome or Firefox, then you can download the extension and add-on as well and you can upload a document file to the site or enter the URL of any site and let the online plagiarism checker do its work.


7. PlagiarismSoftware.Net

PlagiarismSoftware allows you to test your articles online with a limit of 1000 words. You can copy-paste the article in the box or upload a “.docx” or “.txt” file or simply enter any website’s URL to check for copied content.

plagiarism software


These were the best online plagiarism checker tools that you can use to detect if the article content is copied or original. Personally, my favorite is Grammarly and I would recommend you to use that tool only.

If you use any of the above tools to check for copied content or you use some other plagiarism checker tool, then let us know about your experience via the comments section below. Share the article with your friends!

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5 thoughts on “7 Best Online Plagiarism Checker Tools and Sites

  1. Vishwajeet Kumar Reply

    Thanks for this great article. I personally use Copyscape and Grammarly to check plagiarism and found them very reliable. But I am thinking of using others which you have mentioned in this article.

    • Arbaz Khan Post authorReply

      I have used Copyscape in the past and more recently, I started using Grammarly for all the grammar purposes.
      Thanks for sharing your experience with the tools!

  2. Helen Smith Reply

    Good post! Your blog is very useful for me. I will definitely use your mentioned tools. Plagiarism checker tools are playing a very major role basically in the education sector. I am using a grammar checker called grammar check for sentences. It’s removed my grammatical mistakes. I improved both my knowledge and writing skill with the help of this tool. Keep blogging.

  3. Leona Reply

    Thanks for sharing this, Arbaz!
    I’d rather pay for checking students essays to be sure that I’m reading their own conclusions and thoughts (from my personal experience, some free services skip the whole parts of plagiarized materials while Google detects all the similarities). Among all the checkers I’ve used during the last time, I’d highlight Unplag with its simplicity of use and detailed report. For me, the most important about the online plagiarism detection service is the opportunity to communicate with my students through it and keep their works in the same place.

    • Arbaz Khan Post authorReply

      Hi Leona,
      I completely agree with you that most of the free tools skip some of the parts but it is still better than nothing. If you can pay for the service, then that’s the best thing to do.
      Also, thanks for suggesting Unplag. I haven’t heard of it so I will surely check it out.

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