Top 4 Best Plagiarism Checker Tools of 2021

Deepak Choudhary
| | January 15, 2021
Better WordPress Content

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What is Plagiarism?

In simple terms, plagiarism means copying and using the ideas or words or any other work as one's own without properly crediting the original source. It is a serious offence as it is a form of intellectual theft whether you intentionally meant to do it or not.

Plagiarism is mainly related to website articles or any other form or writing. It is also applicable to intellectual property like music, videos and images.

Many people including students, writers and bloggers fall prey to plagiarism as it is pretty much easier to copy any content from any website and use it for their own purposes.

It becomes more prevalent when you order writers to produce content for you. You must ensure that the content submitted by your writer is not copied from elsewhere.

When you don't offer any credit to the actual source, you're guilty of plagiarism.

How can you check for Plagiarism?

It is very easy to check plagiarism. To avoid it completely, you can make use of plagiarism checker tools. These tools can help you to identify content similarity matches.

In this article, I have covered some of the best paid and free plagiarism checker tools.

These tools uses sophisticated technology to scan a database of crawled content, compare it and detect plagiarism in real-time within a couple of few seconds.

Let's get started.

Best Plagiarism Checker Tools

To check how accurate each of the plagiarism checker tools are, I have copied some content from the following article of my blog - Best Landing Page Builders.

And use this content in all the tools covered in this article to see the accuracy of each tools.

I have arranged the tools in the following order - Highest accuracy to Lowest.

Let's begin.

1. Quetext

Plagiarism Checker Quetext

Number one plagiarism checker tool in our list is Quetext. It is one of the most popular and accurate tool to check plagiarism in your content.

Before I tell you more about this wonderful tool, let's do some test to see how accurate Quetext is.

As already stated above, I copied and pasted the content inside Quetext and selected Check Plagiarism.

It begin scanning and comparing the content with the web pages, academic papers and books on the internet to see whether plagiarism exist or not.

In the above test, Quetext detected plagiarism with 100% accuracy. Understandably so as the content we test for was copied from one of the blog articles mentioned above.

Not only it detected the plagiarism with full accuracy but also showed the web link where it detected it.

See the image given below.

Quetext Plagiarism Checker Result

You can use Quetext for free to check your content for plagiarism. However, your account would be limited to ..... number of words.

If you need to search for more words, you may want to consider upgrading to its paid plans.

2. Grammarly

Plagiarism Checker by Grammarly

Ever since I started blogging, Grammarly has been my go to tools for proofreading my content for any typos, spelling and grammatical errors.

It is one of the most accurate, powerful and super easy grammar tool to use. It doesn't stop here. Plagiarism checker by Grammarly is not far behind.

In fact it is one of the most accurate plagiarism tool around.

Once you're inside the plagiarism checker, you just need to paste your content or upload your content file and hit Scan for plagiarism button.

Like Quetext, I have copied the same content and paste it inside the plagiarism checker text box and scan it for plagiarism.

Here are the result.

Grammarly Plagiarism Checker Result

You can see that Grammarly was able to find significant plagiarism. Rightly so, as I have copied the content from one of my existing article.

It proved that Grammarly was able to accurately find the plagiarism in your content.

Grammarly has recently collaborated with ProQuest. So while scanning any content for plagiarism, it not only scans over 16 billions of web pages but also the ProQuest's academic databases.

The free plagiarism checker by Grammarly can check your content for duplicate content. But it won't tell you the resources where it find the duplicate content. So you won't be able to cite the resources if you want to.

The premium plagiarism checker by Grammarly not only highlights passages that require citation but also give you the resources that you can give credit to in your content.

Get started with Grammarly below.

3. Copyleaks

Copyleaks Plagiarism Checker

Copyleaks is another easy to use plagiarism checker tool that checks for duplicate content with great accuracy. Students, writers and businesses would find this tool very effective to check for plagiarism.

To check how effective it is finding the duplicate content, we run the similar test and it was able to find 100% plagiarism in the content.

Here is the screenshot of the Copyleaks interface where we put our content and scan it to check for duplicate content.

Copyleaks Plagiarism Checker Interface

Within couple of minutes, it was able to scan the text and here are the results.

You can see in the screenshot below, it was able to find 100% match of our content and also displays the web address where it find that content. 

Copyleaks Plagiarism Checker Result

Like other tools, covered in this article, Copyleaks was also able to find 100% plagiarism in our content.

When you join Copyleaks it gives you 20 free scans every month. This gives you best opportunity to try every features of Copyleaks to see before upgrading to the paid plans.

Paid plans offers the following features:

  • Advanced plagiarism scans powered by AI technology
  • Detailed plagiarism scan and similarity reports
  • Detection of identical and paraphrased content
  • Compare your own documents to one another
  • Detect several forms of plagiarism
  • Scan text in more than 100 languages
  • Various file format support (pdf, docx, and more)
  • Supports Google Docs and Microsoft Word integration

Get started with Copyleaks below.

Plagiarism Checker Plagiarisma

Third tool that was able to detect 100 per cent plagiarism in our test was Plagiarisma.

Refer to the above image. You can see that the interface is super simple.

Free users can use the platform to check for plagiarism but it will scan web pages in Bing search engine only.

You would be required to register at Plagiarisma.net for free, If you need to check your content in Google for duplicate content.

See the image below for result that we get when we paste our content and search for plagiarism.

Plagiarisma Plagiarism Checker Result

I was truly not expecting but it did remarkably well to detect 100% duplicate content.

It was also able to detect the source of the content. On the right side of the result page, you can see that it has mentioned the source link. It will help you to give proper credit to the source website.

So if you don't want to spend money, this could be your best bet to check your content for plagiarism.

Get started with Plagiarisma today.

Best plagiarism checker tools to check your content for duplicate content.

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Wrapping Up

So far I have checked these three plagiarism checker tools and found all of them to be excellent in finding  the duplicate content.

If your need is only to check your content for duplicate content and the source website, I would recommend you to go with Quetext or Plagiarisma checker.

But if you need more power like checking grammar usage also along with plagiarism checker, Grammarly would be the better choice.

I will try to add more such tools as soon as I test them.

Which plagiarism checker tool do you use most often and why? Please offer your comment below.

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Best Plagiarism Checker
  • Avatar Alice Thompson says:

    I’ve been trying out different plagiarism checking tools for the past few years for work and my favorite so far is definitely https://www.zeroplagia.com/ . It is fast and very accurate and I have had no problems with it whatsoever.

    • Thanks for the notice Alice :)
      I just tested it and looks fast and accurate.
      I think it split the pargraphe into sentences and then check them in google.

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