Home » 16+ Best Free Plagiarism Checker Tools to Find Plagiarism!

16+ Best Free Plagiarism Checker Tools to Find Plagiarism!

While comma splicers and grammar correction tools have been quite a vogue and can help you improve the quality of your write-up, there is yet another important aspect of content writing that cannot be ignored. Plagiarism checkers have been regarded as something that can help you keep away from the content that has been copied from somewhere. 

In our quest for the best plagiarism checker that can simply prove much effective and efficient, we ended up finding quite a good number of options that have proved to be quite efficient in what they promise to do. 

25+ Best Free Plagiarism Checker that you can rely upon

 While there are several plagiarism checkers tools available in the paid genre, not many bloggers and content writers want to go with the paid options for plag checkers unless absolutely necessary. That is exactly why we thought of focussing on the free plagiarism checker options that you can try out. 

  1. Duplichecker

Duplichecker is indeed your best bet for the best free plagiarism checker. Irrespective of whether you are a teacher or writer, you would find it to be one of the prime options ever for practically every need that you may have. Furthermore, it does not cost you anything, and that is why it should be the right choice if you have just started blogging. 

In case you tend to get a host of your content from the freelancers, Duplichecker should double up as one of the right options to help you copied content at bay. You can check for plag by either copy-pasting the content into the tool or even by uploading the document to the tool. 

  • It is your best free tool for checking plagiarism 
  • It can be used for over  scans per day 
  • Easy to use and does not come with a steeper learning curve 
  • Each of the file is limited to just 1000 words and may not be suitable for huge content 
  1. PlagiarismCheck.org

This is yet another great option for checking plagiarism in your content. The free online plagiarism checker lets the students, teachers and content creators a great option to check for the copied and plagiarized content. 

The PlagiarismCheck.org service has a regularly updated database. As soon as you upload your content onto the service, the document is scanned and compared against the database. It can easily mark the plagiarised content and provides you with a report on the exact copied content.

  • An effective plagiarism checker for finding unintentional plag content 
  • While it is a paid service, you can use the free version with limited features 
  • It supports different types and formats of documents. 
  • It is not free forever. You need to go paid after the free trial is over. 
  1. Quetext 

Quetext is one of the most popular free plagiarism checkers that has created a name for itself. The software made its beginning as a basic plagiarism checker, but now it has several added features making it all the more powerful option ever. 

The free version does provide a simple to use interface, and lets you simply copy paste the document on their site and get your plagiarism report right away. The huge database of web pages and other content should make it one of the favorable plagiarism tools that you can rely upon. The contextual plagiarism feature is one of the most unique options that you would find all the more effective and efficient

  • It is one of the easiest plagiarism checker for anyone dealing with a huge degree of content. 
  • It offers you an excellent search and matches functionality. 
  • Perfect contextual plagiarism checking capability 
  • The free version has limited functionality 
  1. SmallSEOTools Plagiarism Checker

This plagiarism checking tool has been the hot favorite with most the new bloggers. In fact, it is also preferred by those indulging in bogging for a hobby than as a profession. SEOTools repository actually has a host of unique tools, and plagiarism checker is just one of them. The lavish and outstanding features of the tool should definitely make it a perfect choice

The plagiarism checker is much basic in nature and offers you a free functionality. The online plagiarism checker lets you simply copy paste the content and find the plagiarised content. The faster plag checking feature lets you get the results in just a few seconds. 

  • Simple and very effective plagiarism checker 
  • You can also get access to a variety of tools for checking your content. 
  • You can upload the document to the cloud for an effective performance 
  • Not as effective as some other tools in its genre 
  1. Copyleaks

Copyleaks is yet another powerful plagiarism checker and provides you access to one of the unique plag checking functionality for free. It can be both a plagiarism detection tool as well as copyright protection tool.

In addition to helping you find the unintentional plagiarism in your content, it can also be a good option to help you find the content theft. It can be useful for checking out up to 100 documents and thus can be a great time saver for your needs. You also have access to a free mobile tool for checking the plagiarism in your content. 

  • Supports practically language 
  • It has a huge and regularly updated database 
  • Can check two documents for plagiarism between them 
  • They also offer special tools designed for SEO agencies and publishers.
  • You can scan only up to 2500 words for free per month 
  1. Viper Plagiarism Checker

The Viper Plagiarism Checker is one of the excellent options for an enhanced degree of plagiarism checkers. It also shows the plagiarised content online and helps you protect your content from fraud and theft. 

Of course, it may not be the topmost free plagiarism checker that you can find, but it does provide you access to one of the prominent experiences with respect to a decent option to check for copied content. Therefore, it should be your great option for the free plagiarism checker for teachers. 

  • It is designed more for the students and teachers than for the bloggers
  1. Plagium

Plagium is a great tool that can be useful in helping you compare two documents side by side. In addition, it can be useful for checking the content posted across the web and even across social media sites such as Facebook

In fact, if you suspect that someone has copied the content from your social media profile, this one should be the perfect tool to help you find such copycats. The service also comes with a Google Docs add-on that further enhances your experience. It can also be one of the right choices for the free plagiarism checker for teachers.

  • Multiple user accounts are available if you go with the institutional account
  • You can check for plag directly on the web 
  • Options for uploading multiple files 
  • You need to create an account for getting access to the best features 
  1. PlagScan

If you are looking for a good plagiarism checker tool for academic applications, the PlagScan should be the right choice by almost every count. They offer separate packages designed for schools, universities and companies. 

Of course, it is not a free plagiarism checker tool, but you can enjoy a few free trial options that would provide you access to one of the prominent options in terms of a great degree of experience. Thus, it can be your perfect choice for an improved and efficient plagiarism checker. 

  • The prominent plagiarism checker 
  • An extensive service quality. 
  • Works with all common file formats 
  • It does not offer a completely free service 
  1. PaperRater

PaperRater is a multipurpose plagiarism checker and provides you access to one of the perfect choices in terms of an enhanced and powerful tool to detect plag content. The plagiarism checker provides you access to both free and paid content options. 

The tool makes use of artificial intelligence and data science for scanning your documents. The documents are analyzed in real-time, and you can get access to the results right away. The cloud-based software can check for grammar, spelling check, and plagiarism in a very effective manner. 

  • A three in one tool – Proof-reader & Grammar Check, Vocabulary Builder, Plagiarism Checker
  • Created by the industry experts 
  • Faster results of your scans 
  • No option for saving your reports
  1. Plagiarisma

An extremely basic and easy to use software, it can be one of the excellent options for checking plagiarism of your content. The multipurpose tool is one of the excellent options for enjoying a powerful plagiarism detection for the students, teachers and bloggers. 

It simply takes just a couple of minutes to scan and check your content. Once your scan is complete, you can get a report with the details of which data has plagiarized or copied content. It has been considered to be a perfect choice for your essays, research paper, coursework or dissertation. It would be your best bet for free plagiarism checker online. 

  • Multiple language support 
  • You can check plagiarism through URL, online or file upload options. 
  • Supports a wide range of file formats. 
  • Browser extensions available 
  • Limited plagiarism check options per day 
  1. CheckForPlagiarism.net

The tool is one of the most advanced plagiarism checkers and can be one of the prominent tools worthy of being on this list. It has a huge database that covers billions of books, articles, academic, and professional journals. The tool also handles the security of your document rather effectively. 

The security features such as SSL encryption, redundant servers, sophisticated firewalls, off-site secure backups make it a truly formidable option ever for your needs in enhanced proofreading and plag checking. It can be the right choice for the best free plagiarism checker for teachers. 

  • The powerful algorithm 
  • It can even detect subtle plagiarism attempts. 
  • Support for a huge number of languages 
  • A huge number of file formats supported 
  • Not many cons observed 
  1. Plagiarism Checker X

Completely user-friendly and entirely free plagiarism checker, you would find it offering you one of the outstanding experiences in how to get access to the best plagiarism checking capability ever. It should be your best bet for checking plagiarism across research papers, blogs, assignments, and websites. 

The speed and accuracy offered by the plagiarism checker should definitely make it one of the prime options that you would want to go with. You can check two of your documents and compare them together. It does support practically every file format. 

  • It can handle an entire batch of documents 
  • Detailed guidelines and steps to find the plag content 
  • Completely online functionality 
  • Support for a limited number of browsers 
  1. SearchEngineReports

The tool has been regarded as one of the extremely popular plagiarism checkers and does provide you access to a capable plag checker for students, teachers, and content creators. The online plag checking capability offered by the tool should further make it a great tool in almost every aspect. 

You can upload your documents through Dropbox, or through URL. You will also be able to copy in text and a few other options for providing you access to faster plagiarism. The capability offered by the software to detect plag in 16 different languages is yet another prime factor. There is no limits on the number of documents you can check making it one of the prime free plagiarism checker online. 

  • Extremely accurate 
  • Shows percentage and plagiarised content links. 
  • Online interface for easy checking 
  • Support for multiple languages
  • Ads on the website may be a little annoying. 
  1. PlagiarismDetector

PlagiarismDetector should definitely be your excellent option for all your needs in terms of finding and getting rid of the plagiarism on your suspected sources. The deep search option should be what would make it a great choice for most of the expectations that you may have. 

The free quick search options can provide you with a great degree of service quality. The options for URL or file upload functions should make it a great service by almost every count. The accurate reports and ease of use have been a few of the best options for practically every need in terms of checking plagiarism. 

  • Quite an accurate option for plag checking 
  • Support for different file formats 
  • Deep search functionality 
  • URL based plagiarism option 
  1. PrePostSEO

PrePostSEO is one of the excellent plagiarism checkers that you can opt for if you are looking for the free plagiarism checker tools. It does help you get accurate results from several sources such as articles, assessments, resumes, and papers. That makes it a great option for the best plagiarism checker for students. 

However, if you are looking for an in depth check, compared to the high end plag tools, this may not be the right one for you. You can either upload your file or check the plagiarism through the URL. You would also find it offering support for multiple languages. 

  • Supports multiple languages 
  • Shows the percentage of plagiarized content 
  • You can paste test, or check plag using URL 
  • Limited to 500-word searches 
  1. PlagAware

If you are trying to find the most accurate and comprehensive plagiarism tool for your documents, PlagAware is what would meet almost all your needs and expectations. It can be a powerful option for plagiarism and duplicate content checking. You can assure that this is one of the best plagiarism checkers for students. 

It should be one of the best options for higher educations and even for SEO tools. It supports the option for all the file formats, and even pasting the texts. You can even opt for the option to use URL for checking plagiarism. 

  • Quite accurate plagiarism checking 
  • Available in both free and paid options 
  • Best meant for both SEO and education 
  • A free plan may not work with larger documents 
  1. Plag Tracker

Plag Tracker is rated to be one of the prime choices for checking plagiarism on several services. It has been regarded as one of the most accurate plagiarism checker options you can rely upon. You can simply paste the content in the search box and find the plagiarised content. 

The duplicate content checker is best suited for teachers, students, publishers and site owners. It offers you access to a very faster plag detection and presents the results in just a few seconds. The free plan, however, comes with a few limitations. 

  • Made available for different user groups 
  • Offers you detailed reports 
  • Support for multiple languages
  • Cannot upload the file in the free version; need only to copy-paste the content
  1. Play

This is yet another great option for enjoying a wonderful plagiarism checking options for your needs in an enhanced plagiarism checking capabilities. It can compare your documents with 20 billion sources in its database and provide you with an effective plag check experience with the best plagiarizing scanner. 

It even lets you check the website content ever. The completely free plag checker is what would offer you an outstanding degree of experience. The faster and accurate checking ability should help you get access to an enhanced experience. It should definitely be a great option for the best plagiarism checker for students. 

  • Best suited for students, teachers, and writing professionals.
  • Faster and accurate results 
  • A huge database that is regularly updated 
  • Not many cons 

Am I Plagiarizing?

It is quite possible to find that you have plagiarised, or maybe you are still plagiarising. In most cases, this can be quite unintentional. However, it may so happen that when you keep writing, you are likely to lose track of your sources, and you are likely to make use of the exact phrases in your content quite unknowingly.

It may even so happen that you might have cited something quite improperly, and that may give an impression of plagiarising. Make sure that you are using proper links and citations to avoid the appearance of plagiarising. 

Why Use A Plagiarism Checker?

Plagiarised content can be quite risky – irrespective of whether you are a student or a blogger. However, using a good plagiarism checker can be helpful enough in checking your document and compare it to other content available online. That way, you can stay safe from being penalized by search engines by ensuring that you have created an original content. 

Plagiarism checkers can also be one of the excellent options for cross checking the duplicate content. Some of these contents would include quoted material, paraphrased material, similarities in wording and many other similar options. 

The Closing Thoughts 

Plagiarised content should definitely be a big NO. However, suppose you are looking to get access to an enhanced degree of experience with a good piece of content that won’t be treated plagiarised by search engines. In that case, it is always a great option to check out the best plagiarism checker that offers a huge accuracy should be something you would definitely be comfortable with. 

We assume the list of the best options for the effective plagiarism checkers here should definitely be helpful in achieving the best standards. 


Is viper plagiarism checker online free good as Turnitin? 

Viper plagiarizing scanner is the best free plagiarism checker and can be the right tool as a cheaper and viable alternative for Turnitin. Viper suits everyone that include students, teachers and bloggers alike. 

How to check for plagiarism free?

There are several options for the best experience in the best free online plagiarism checker options. It can also be one of the exciting options to check for websites that check for plagiarism. 

What is the best plagiarism checker?

There are several options that can prove to be one of the excellent options for enjoying one of the prominent options for enjoying a powerful plag check functionality. A few of them may be:

  • DupliChecker
  • Paperrater
  • Plagiarisma
  • Search Engine Reports
  • PlagTracker
  • Plagium
  • CopyLeaks
  • SmallSEOTools

How does the Plagiarism Checker work?

A plagiarism checker works by detecting and showing the plagiarised content. They check small chunks and phrases from your content and searches for the content through search engines. Each of the plagiarism checker tools come with their own complex proprietary algorithms to detect the plagiarized or copied content. 

Is Plagiarism Checker accurate?

The actual accuracy of the plagiarism checker will be dependent on the tool that you are using. Unfortunately, not every tool comes with the same degree of accuracy. Some of the tools provide you with extremely accurate results, while a few others may fail to provide options that are that much accurate. 

About the author

Timmappa Kamat

Timmappa Kamat is interested in technology and allied subjects and loves sharing the knowledge through the tech-savvy websites as a freelancer. He has been involved in providing content for a host of technology-based sites on day to day topics in the tech arena. Fond of gadgets and gizmos, he loves working with different apps, tools and software and sharing the knowledge with the world at large.

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