9 Best Plagiarism Checker Tools to Use in 2020

Plagiarism is a crime against any person whose work others use as their own. You can guarantee the authenticity of your content if you write it yourself. But if are you are copying, you are committing that crime.

Read on the list of 9 free and paid plagiarism checker tools available online for bloggers and writers. You cannot manually check if your student/writer copied the text or wrote it on his/her own. This is where a plagiarism detection software helps you.

Best Plagiarism Checkers for 2020

Plagiarism checker software is important for authors, scholars, professors, and business owners who want to use original and legitimate material for their ventures. That is why we have prepared an updated list of best plagiarism checkers in 2020 for you.

1. Copyscape

Best Plagiarism Checker Tools

Copyscape is one among the best plagiarism checker tools and a great plagiarism checker to check the originality of content. You can use Copyscape by simply entering the content’s URL or using the built-in Siteliner.

There is no need to sign up if you have a URL of the content. Paste the URL in the textbox, and it will do its magic. If you need to paste your content directly to check plagiarism, you have to register first and pay the amount.


  • Whenever your content got copied, it sends a notification by email.
  • Copyscape offers a WordPress plugin.
  • Ten thousand pages allowed in a single search.
  • Data security is guaranteed.


Copyscape costs 3c per search up to 200 words and 1c per extra 100 words.

2. Plagiarism Checker X

Plagiarism Checker X, owing to its different features, is one of the strongest plagiarism checkers on the market. Plagiarism Checker X has a large number of users around the world because of its efficiency, reliability, and cost-effectiveness.

It is currently used by leading organizations like Ohio University, LabourNet, AUST, and many more.It is best suitable for students, teachers, content writers, and journalists to detect plagiarism.


  • It is very fast and accurate in detecting plagiarism.
  • Used in more than 60 countries, so a big community is there.
  • Content security and safety
  • Offers support in seven languages, including Portuguese, English, German and Italian.
  • Plagiarism Checker X offers support for multiple file formats, including RTF, PDF, plain text, doc, and Docx,


Plagiarism Checker X comes with three pricing plans. The basic plan is free of cost and offers 30 searches per day. Pro plan costs $39.95 for a lifetime, and the business plan costs $147.95. Both of these plans offer unlimited words and searches.

3. Plagscan

Best Plagiarism Checker Tools

Plagscan is a cutting-edge plagiarism detection program for individual users, academics, and even large companies. Every year on Plagscan, almost 1 million documents are checked for plagiarism. You can check the content for plagiarism in seconds because you can perform various plagiarism related tasks at the same time.


  • Plagscan offers adaptable plagiarism reports.
  • It also offers support for more than eight languages.
  • API integration support is available.
  • Plagscan is based on an award-winning algorithm.
  • Plagscan does not share data with any third party.


Plagscan offers pricing plans based on the number of pages. There are four plans. It costs $5.99 for 26 pages and $12.99 for 100 pages. Plagscan offers 250 pages of plagiarism detection searches for $24.99. It costs $49.99 for 600 pages.

4. Quetext

Quetext is a perfectly smart plagiarism checker and one among the best plagiarism checker tools available. More than 2 million students and teachers are using and supporting this plagiarism detection software.

The tool is useful for everybody, from students to teachers and writers. Quetext is powered by DeepSearch technology, and its results are more than precise.


  • Due to DeepSearch technology, it has the ability to perform contextual analysis.
  • Uses natural language processing to detect plagiarism.
  • It is developed with cutting edge machine learning methods and grammatical analysis techniques.


Quetext comes with a free version as well as a pro version. The free version offers only five free checks. Pro plan costs $9.99 per month per user and comes with a full set of features.

5.  PrepostSeo

PrepostSeo is the last plagiarism checker on our list. It is a simple and smart plagiarism checker that checks the plagiarism by using especially-designed algorithms to match your content with billions of resources very quickly.

PrepostSeo, one of the best plagiarism checker tools is widely used in various areas such as education, news agencies, etc. Students, teachers, bloggers, content writers use this tool to check plagiarism in their content.


  • PrepostSeo offers plagiarism detection by uploading your document.
  • Multiple document support is available i.e. doc, docx, txt and pdf.
  • PrepostSeo has an extension for Google Chrome. You can check any text for plagiarism while surfing the web.
  • Plagiarism report generation support is available. You can download reports in Pdf and HTML format.
  • PrepostSeo also offers an android and IOS app. You can check plagiarism on your mobile devices without any hassle.


PrepostSeo’s pricing plans come with two categories, monthly and yearly. Each category has three plans (Basic, Standard, and Company) that are customized according to the features.

In the monthly category, the basic plan costs $10 and offers 5000 queries and 5000 words limit. The standard plan costs $20 and offers 25,000 queries and 5000 words limit. The company plan costs $45 with 75,000 queries and the same word limit.

In the yearly category, the basic plan costs $50 and offers 50,000 queries and 5000 words limit. The standard plan costs $150 and offers 200,000 queries and 10,000 words limit. The company plan costs $350 with 500,000 queries and 25,000 word limit.

6. Turnitin

Turnitin isn’t actually a plagiarism tool for individuals. Instead it’s designed for bulk plagiarism checking to be made in universities and colleges. The software runs a comprehensive check backed by a legacy scoring system for each piece of text it scans. 

The plagiarism tool uses priority metrics to measure the accuracy. They are named as a “similarity index,” a percentage score and a report and allow teachers a deep understanding of text to be checked.

7. Grammarly

Grammarly is a very popular and most used pilgrim checker to date. It’s available in both free and paid versions. In addition to checking duplicate content, you can also use its proofreading tools to detect typos and errors if any. Beginner users can use Grammarly users for free to check their paper, docx Word file or a web page.

Grammarly can successfully identifies instances of plagiarism without much effort. The tool is available in desktop version and as a mobile app download on Android and iOs platforms. This is quite a helpful tool for naïve writers and bloggers worried about duplicate and copied content.

8. Paperrater

Paperrater is the next tool in the list for checking plagiarized content. The software works on artificial intelligence and conduct real time analysis of text to trace instance of plagiarism. The tool takes around 10 to 15 seconds to present results after submission.

This is cloud-based software that sees deeper into the syntax and structure of your text. Besides plagiarism check, Paperrater also offers features like automated proofreading, grammar check, and automated scoring etc.

9. Viper

The USP of viper plagiarism checker software is its innovative user interface. The tool follows a quick and advanced scanning process to detect plagiarism in a text. This feature loaded software lets you compile the entire text in three easy steps. Once the analysis completes, it presents a comprehensive report for persual.

To check a document for duplicate or copied content, the tool scans approx. 10 billion sources such as essays and journals published on the internet. Once scanning completes you have a highlighted report showing instances of plagiarism and the places they were found at.


There are hundreds of plagiarism checkers circulating online, trying to be the best service providers. The thing is, the software could not become best with marketing or advertising if it is not built with the required techniques and algorithms.

Every year, a bunch of new plagiarism checkers introduced in the market with rich features and functionality. But not every plagiarism checker gives what it promises.

In 2020, the use of plagiarism checkers is expected to rise. We have compiled this list for our readers so that they can choose a plagiarism checker according to their needs and requirements. The above-stated plagiarism checkers are the best plagiarism checker tools to be used in 2020.

Follow Us
Notify of

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Inline Feedbacks
View all comments
Would love your thoughts, please comment.x