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Top 10 Free Online Plagiarism Checkers Tools in 2017

The World Wide Web has developed to become a major source of all kinds of information. There are thousands of web pages produced daily and usually, there is no one to supervise what is being uploaded. As such, there is a huge lure for people to resort to plagiarism, either intentionally or unintentionally.

What is Plagiarism?

Plagiarism is the representation of another person’s work as one’s own. It can be intentional, which normally happens when students and inexperienced writers copy other people’s content in an effort to save themselves the time spent in conducting real research.Plagiarism can also be unintentional. Just about everything we do has been influenced by someone along the way. A writer can, therefore, have a style that has been influenced by an author they admire. That could result in unintentional plagiarism through similarity of style.


The originality of content is very important for one’s online reputation. Copied work hurts the author’s reputation and could destroy a professional career. Avoiding plagiarism is, therefore, important for all kinds of people; especially those who publish content online.Professional writers have a lot to gain by being extra cautious to guard against plagiarism. One way to do that is to enhance their writing skills and become better at coming up with original content by using professional services such as what is offered on writingcheap.com.

As plagiarism becomes a major concern and more people seek to protect their work, different plagiarism checker tools have been availed to help check the originality of content. Here is a list of the top 10 free plagiarism checker tools available today.

1. DupliChecker

This online software for detecting plagiarism is absolutely free. It can be used for the single purpose of checking for plagiarism or for multiple other uses. It is very easy to use and convenient, giving instant results (within seconds). It gives the option of either copy pasting or uploading content for assessment.For regular writers, it is advisable to register, which is free. Unregistered users are allowed 1 free search daily while registered users can do up to 50 searches a day.

2. Grammarly

This tool is a must-have for writers. It not only helps to fight plagiarism but also supports one to become a better writer. Once it is downloaded onto a computer, it works as long as one is working online. It proofreads entire texts, scans for up to 250 types of grammatical and spelling errors and provides instant results.This can be rated as the best option when it comes to plagiarism checker software with its added advantage of grammar checker features. It is very useful in enhancing a writer’s vocabulary and is claimed to instantly improve one’s quality of writing.There is the option of either using the free version of the premium version.

3. Paperrater

This free cloud-based software offers 3 services:

• Grammar checker

• Plagiarism checker

• Automated Proof reading

The results are instant (within seconds). The paid version offers more functionalities including accepting longer documents and providing faster results.

4. Plagiarisma

One can conveniently get free downloads of plagiarism software for use with Windows, Blackberry, Android and the web. This application has features that support 190+ languages. The paid version provides an unlimited checker, unlike the free service which limits a user to a maximum of 3 scans a day. This software offers extra services such as article re-writing.

5. Search Engine Reports

This is a simple and free way to check if content is copied or original. Get a number of phrases that are unique to your content. Copy and paste on a search engine such as Google or Bing and do a search.

6. PlagTracker

This free software offers unlimited word count checks and provides detailed reports of scanned work, which are then sent via email. However, this plagiarism checker has some limitations. Documents can be in the queue for up to 30 minutes so results are not immediate.It has also been rated as not entirely accurate and should not be relied upon 100%. Its resources are limited so it is advisable to cross check with a second tool to be sure about the results. Results can be enhanced by using an extra tool such as IThenticate, which is only free for 1000 words and anything beyond that has to be paid for.The paid version of PlagTracker allows scanning of a larger volume of documents besides providing grammar check services.

7. Plagium

This is a great plagiarism checker tool as it checks even social networking sites such as Twitter and Facebook. It is fast and efficient and the results are produced almost instantly. It is advisable to opt for the paid service as some of the services such as downloading of files are not available to the free users.

8. CopyLeaks

This is an easy and convenient way to scan entire websites. It supports multiple file formats and multiple languages. It is a bit limiting because it only scans for online content. It has an Android app option and is available in multiple languages.Service for free users is limited to 10 pages a month and only 250 words per page. For heavier users, there is a variety of premium services to choose from. CopyLeaks is expected to eventually become a paid service, meaning that a time will come when it will no longer be available for free.

9. Plagscan

This is an easy, quick, and accurate way to fight plagiarism. It checks not only online content but also internal databases. It allows for uploading of multiple documents. One does not need to install anything on the computer as all that is needed is an Internet browser and Internet connection. Plagscan has a limited free trial for new users.

10. Unplug Checker

Unplug checker is a sophisticated real-time plagiarism checker that provides instant results. This service offers a limited free check of up to 500 words. This free check does not tie the user to any obligations.


Every plagiarism checker tool has some unique features. It has its advantages and disadvantages. There is a wide selection to choose from depending on one’s needs. It is advisable to check out the different plagiarism checkers before settling down for one. Some of the free tools have their limitations and the paid services are often a better choice. 

This is a YourStory community post, written by one of our readers.The images and content in this post belong to their respective owners. If you feel that any content posted here is a violation of your copyright, please write to us at mystory@yourstory.com and we will take it down. There has been no commercial exchange by YourStory for the publication of this article.

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