Best 6 Plagiarism Checker Tools for 2023

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According to several studies, plagiarism is one of the giant evils in the world of writers. It is a rampant issue that results in the loss of money, reputation and career. The reason behind this negative influence is a poor piece of work without proper citation.

Since nobody wants plagiarism in their work, we have prepared a list of Plagiarism Checker tools to help you check plagiarism while writing. So, without any further delay, let’s get to the list of six tools.

The 6 Best Plagiarism Checkers for 2023:

After testing several plagiarism checkers on different types of content (academic, blog, etc.), we have compiled a list of the six best tools. So, let’s get to their honest reviews.


Plagiarism Checkers

This tool is on our and in many people’s lists for a reason. The sleek UI, effective results, and many other reasons make it a go-to tool for many professionals working online.
Here you can see in the picture of this tool that it offers a very easy-to-understand user interface, and even a user with no prior knowledge can get the most out of it.
This tool is entirely free and can be used as many times as a user wants. The accuracy is also appreciable. It can detect all sorts of plagiarism, even content that is generated through AI or article spinners that use the GPT3 model.

How does this tool work?

The working of this tool is easy. It allows you to upload a document or copy and paste the text you want to check against millions of web pages and it will come up with results in seconds after you hit the button.  Here are some simple steps you can follow:
Copy and paste the text you want in the field given
You can also upload, drag or drop files
You can change the language if you want, it offers 25 different languages to choose from.
Hit the button under the field and eventually, in some time you will get a precise report with the percentage of plagiarism detected and phrases or sentences coming under plagiarism will be highlighted.

Why this tool?

  • Freedom of choosing upload options
  • Offers different languages
  • Sleek UI, easy to understand
  • Fast and accurate
  • Free and requires no registration or signup

2. Check-Plagiarism

Plagiarism Checker Tools-check plagiarism

The plagiarism checker of is a freemium tool. So, this tool can check the plagiarism of 2000 words for free. However, if you want to increase the word count limit of this tool, you must purchase its premium plan.

This tool performs sentence-wise plagiarism scans with the help of AI algorithms. So, it quickly compares the entered text with billions of online resources and finds traces of plagiarism. If this tool finds plagiarism, it allows comparing the plagiarized information with its (original) source.

Why Should You Prefer This Plagiarism Detection Tool?

  • Sometimes, you want to ignore a specific online resource while checking the content’s plagiarism. In such a situation, you can add the URL of that online resource to the ‘Exclude URL’ box of this tool.
  • The plagiarism checker of is a multilingual tool. So, besides English, it can check plagiarism in 11 popular languages.
  • This freemium plagiarism checker has one of the fastest and most accurate plagiarism-checking engines. So, compared to the other free tools, you will find accurate and quick results here. That is why it is the best tool for checking plagiarism for free.
  • The 2000-word count limit is the most you’ll get in the free version of any plagiarism checker. So, its free version is ideal for checking the plagiarism of lengthy content.
  • You can add the functionality of this plagiarism checker to your platform through its:
    • WordPress plugin.
    • Plagiarism APIs.
  • You can also download this tool’s Android, iOS, or macOS applications to enjoy the same features on other devices.

Some Drawbacks of This Plagiarism Checker Tool:

  • If you are a visitor, you can’t save the statistics of the current plagiarism scan in the form of a plagiarism report. That’s because this tool only allows premium members to create a plagiarism report.
  • The result presenting module of this tool has a bland interface.

3. Grammarly:

Plagiarism Checker Tools-grammarly

The plagiarism checker of Grammarly is a paid tool. So, if you already take assistance from the free version of Grammarly for proofreading your content, you will have to purchase its premium plan to try its plagiarism checker.

Previously, the plagiarism detector of Grammarly was not good enough because of its limited database. But recently, the developers of Grammarly have made several improvements to its plagiarism-detection module. Therefore, it has become one of the best paid plagiarism checkers.

The database of this plagiarism checker takes assistance from the ProQuest database and many books, journals and other sources to check for content originality. Moreover, its extensive database also covers more than 16 billion web pages. So, now, you can trust the results of this tool.

Why Should You Prefer This Plagiarism Detection Tool?

  • Besides plagiarism detection, Grammarly is a must-have tool for every writer because it is the most popular, powerful and nearly accurate document proofreader.
  • This tool is rich in terms of integration with other applications. So, you can download its browser extension and Microsoft Word add-in to enjoy its functionalities on your favorite word processor.
  • The official website of Grammarly also has a text editor that allows you to type the content and check it for grammatical, punctuation, typos and plagiarism issues.
  • You can create a plagiarism report and save it to local device storage. This feature makes it easier to share the plagiarism progress of your work with your clients.
  • Grammarly can also notify you about your weekly plagiarism reports by sending emails to the registered email address.
  • You can add the functionality of this plagiarism checker to your website by trying its:
    • WordPress Plugin.
    • API support.
  • This plagiarism checker allows you to compare the original and plagiarized versions of documents, making it easier to differentiate between both.
  • Once this tool has finished the scan for plagiarism, it will highlight the plagiarized phrases and provide the (original) sources of plagiarized information. This way, you can quickly navigate to the (original) source of plagiarized information.

Some Disadvantages of This Tool:

  • Grammarly’s plagiarism checker can only check the plagiarism of content written in English.
  • Grammarly’s plagiarism detector is a bit stricter than other top-notch plagiarism checkers.

4. Chegg Writing Service:

Plagiarism Checker Tools-cheggThe plagiarism detector of Chegg writing service is the second paid tool on this list. However, unlike the first three tools, this Plagiarism Checker Tools is ideal for dealing with academic content. That’s because its backend algorithms work similarly to Turnitin’s backend algorithms.

Once you have uploaded the content into this tool, it will compare the uploaded data against billions of web pages. So, if this tool finds any traces of plagiarism, it will pinpoint those traces and provide suggestions to eradicate plagiarism from your content.

Why Should You Prefer This Plagiarism Detection Tool?

  • You will see an individual plagiarism percentage for each source if you have copied content from multiple sources.
  • Once you have purchased the premium plan, there will be no limitations on the document length in this tool. So, like Grammarly’s plagiarism checker, this tool has no word count limit.
  • Since Chegg is a writing service, you will get additional benefits with this plagiarism checker. For instance, you can take assistance from its:
    • Readability checker and determine whether your content is reader’s friendly or not.
    • Expert grammar checker to check your content for grammatical mistakes and typos.
  • Besides the conventional text uploading ways, you can directly import the document file from Google Drive. So, if you take assistance from Google Docs to type your documents, you won’t have to export your document.
  • Since this plagiarism checker is from a writing service, it will assign a score to your document based on its originality and content quality. However, if you want to increase the assigned score, you must follow its suggestions.

Some Drawbacks of This Tool:

  • Like Grammarly, this plagiarism checker can only check the plagiarism of content written in English.
  • Its scope is only limited to Academic papers.

5. Scribbr

Plagiarism Checker Tools-scribbrThe fifth tool to check the plagiarism of textual content is the ‘Scribbr Plagiarism Checker.

The plagiarism checker of Scribbr is a Turnitin-powered plagiarism detector. So, it takes assistance from the Turnitin plagiarism detection technology to check the plagiarism of uploaded content. That is why its results are similar to Turnitin’s plagiarism checker.

However, unlike Turnitin, which has a knack for detecting all types of plagiarism, the plagiarism checker of Scribbr specializes in identifying heavily edited text. So, if you want to check the traces of paraphrase-plagiarism in your content, this tool is ideal for you.

Why Should You Prefer This Plagiarism Detection Tool?

  • This plagiarism detector’s database covers over 99 billion websites and 8 million publications. So, courtesy of its extensive and Turnitin-powered database, you will get accurate results.
  • Besides an extensive database, the plagiarism checker of Scribbr can check content plagiarism in 20 languages. So, the language support in this tool is more extensive than the first and second tools.
  • After scanning the uploaded document, if it contains plagiarism, this tool will provide the domain name, database type and the number of matching words in the ‘Top matching sources’ This feature makes it easier for you to identify the sources that need citations.
  • This tool takes assistance from different colors to highlight the plagiarized portions of text. Hence, you can quickly recognize the plagiarized parts in the document.
  • Like most plagiarism detectors, this tool also compares the original and scanned content side-by-side. This way, you can compare the parts of information you have copied from a source without leaving the plagiarism report.
  • Most people do not consider self-plagiarism as a type of plagiarism. But in this tool, you can upload your previous assignments and compare them with your latest work to check for self-plagiarism.

Some Negative Points of This Tool:

  • The plagiarism checker tools of Scribbr cannot integrate directly with any tool. So, the only way to enjoy the features of this tool is to access it through its official website.
  • This Plagiarism Checker Tool is unsuitable for checking multiple documents’ authenticity.
  • Compared to the other tools, its pricing plan looks expensive because it charges according to the document’s word count.

6. Quetext:

Plagiarism Checker Tools-quetextThe plagiarism checker of Quetext is the third freemium tool on this list. However, compared to the other freemium tools, the results of its plagiarism scan are sometimes deceptive. That’s because sometimes, this tool attributes several sentences to various sources.

It takes assistance from Lightspeed recognition and deep search technology to quickly scan and compare the uploaded content with its database. So, its plagiarism detection engine is one of the fastest ones.

Why Should You Prefer This Plagiarism Detection Tool?

  • Like the second tool, the UX of this plagiarism checker is rich because it takes assistance from different colors to indicate plagiarism.
  • Courtesy of its Lightspeed recognition technology, this plagiarism detector quickly brings the results, irrespective of the document’s length.
  • Its free version is enough to check the quality of its plagiarism-detection engine.
  • The database of Quetext contains more than 1 million journals, extensive searchable books and website libraries. So, this plagiarism checker takes assistance from deep search to quickly compare the uploaded content against the contents of its database.

Some Disadvantages of This Tool:

  • This Plagiarism Checker Tools has made the last spot because sometimes, it attributes several sentences to multiple sources.
  • The free version of Quetext can only check the plagiarism of five documents.
  • If you haven’t purchased its premium plan, Quetext will only scan the first 500 words of your document.
  • Since this is a freemium tool, you can only download its plagiarism report as a premium member.


All in all, the first two tools provide decent results as freemium tools. However, if you want a paid plagiarism checker for your work, you should read the above discussion because each paid plagiarism checker tools is best for a particular type of content.

However, there is also another method to remove plagiarism which is to rewrite your content. Undoubtedly, it’s good to have six Plagiarism Checker Tools to choose from, but you shouldn’t expect the results to be identical. That’s because the databases and algorithms that work at the backend of most plagiarism detectors are different. Therefore, it is essential to look at the features that each plagiarism checker tool offers and how those features affect your work and play.

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