Best plagiarism software for PC [2020 Guide]

Radu Tyrsina
by Radu Tyrsina
Founder & Editor-in-Chief
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Plagiarism means imitating someone’s work without giving the original writer credits and most of the time, the original owner of the content, is not aware of the fact that his work has been copied.

Plagiarism has become an evolving concern, especially with so many web pages created every day. Unfortunately, lots of writers and bloggers copy the writings of others and then use them on their own blogs without offering proper credits. Freelance writers and business owners also need a complete check over the originality of their content. Copied content will turn out to be detrimental to someone’s online reputation and search engine rankings.

But fortunately, Google has evolved enough these days to become aware of which content is already posted and which content is just a copy of the pre-existing version.

Plagiarism checker tools can help fight copied content and content theft, and if you want to make sure that your content is original, these tools will turn out to be the ultimate weapons against plagiarism. There are various online and offline tools for detecting duplicate content these days, and we’ll introduce you to the best.

The difference between intentional and unintentional plagiarism

Intentional plagiarism involves a person accused of unoriginal content which has been conscious of the fact that the content is stolen. In such cases, some practical plagiarism checker tools are a must.

On the other hand, unintentional plagiarism occurs when the writer is unaware of the fact that the content is copied from someone else and the new material includes traces of already published content. Quotes without proper credits are also included in this category.

Matching writing styles will also result in duplicate content, and it can happen many times that the writing style of an author matches another one’s.

Anyway, regardless of the cause of copied content the result always involves downfalls for both parties. This is the exact reason for which writers need plagiarism checker tool and service that are used for detecting duplicate content and for managing to create original articles.

About this guide

This guide is divided into two different parts. In the first part, we’ll list five of the best free plagiarism checkers available on the market. In most cases, we’re talking about free plagiarism checking platforms that are available online.

In the second part of this guide, we’ll list five paid plagiarism checking software solutions. Compared to their free counterparts, these tools offer additional features and services to help you perfect your writing.

Here are the best plagiarism programs that will turn out to be very useful to make sure your content or academic writing is 100% original.

5 best free plagiarism checkers

1. Grammarly

grammarly plagiarism checker


Besides being able to detect plagiarism issues of the content, the software also proofreads your whole text, and it offers you the option to correct over 205 types of grammatical errors. The tool checks plagiarism against more than 8 billion web pages in just a few seconds, and it instantly provides you reports. It features a field of plagiarism detection, and the software is considered one of the best plagiarism detection tools out there.

Grammarly is also known as one of the best-automated proofreaders and corrects errors on an instant basis. The tool is beneficial for professional content writers to get text proofread and to eliminate the spelling and the grammatical errors. It can also enhance your vocabulary by offering various options of content.

Teachers and students can use the tool to find online duplicate content and it will display the percentage of copied content, and this is why it’s recommended for academic use.

RELATED: How to download and use Grammarly app for Windows 10

2. Plagiarisma

This is a multi-purpose plagiarism detection tool which is basic and also straightforward to use. It can be utilized by students, writers, teachers, and all kinds of members of the literary industry. The tool supports more than 190 languages.

You can Copy and Paste the text, or you can type it in the appropriate field. You can also provide a URL, or you can upload a file from your computer. The supported types include the following: HTML, TXT, DOC, RTF, DOCX, XLS, XLSX, ODT, PDFR, EPUB, FB2 and PDB.

You can have your content quickly checked by downloading the Firefox and Chrome extensions. The free version of the program features a limited number of plagiarism checks so in case you are looking for a tool for extensive use then you should look someplace else.

The free version of the program offers the benefits that we have already mentioned above. If you register, you can upgrade to the Premium Membership.

Try Plagiarisma

3. Dupli Checker

This is also one of the most useful free plagiarism detection tools on the web, and even if it doesn’t sport a fancy interface, it will surely get the job done as well as possible. To use the tool, you don’t have to pay anything. Whether you are a one-time user or you plan on making this instrument the main one, you will use for a long time, or on a daily basis, you will not be required to pay for the subscription.

The tool is very easy to use and you will be presented with a basic layout that doesn’t require any previous experience with plagiarism detection tools. It will enable you to either copy and paste the content in the text field and check it or to upload a Docx or a Text file from your computer.

The software allows you to do 50 plagiarism checks per day in case you decide to sign up for free. If you don’t want to sign up, you will be limited to only one check every day.

Try Dupli Checker

4. Copyscape

Copyscape offers a free plagiarism checker tool for finding copies of your web pages online. The tool also provides two more potent professional solutions for preventing content fraud and content theft. Copyscape Premium provides a more powerful plagiarism detection ability than the free service, and it also offers more features including batch searches, copy-paste originality checks, private index, an API and case tracking.

Copysentry is the second option, and it provides comprehensive protection for your website by automatically scanning the Internet on a daily basis or a weekly basis. It will email you when new copies of your content are found somewhere on the web.

Copyscape also offers free plagiarism warning banners for your website in order to warn potential plagiarists against stealing your content. The software features a free tool to compare two articles or web pages and also a comprehensive guide on how to deal with plagiarism.

Try Copyscape

5. SmallSEOTools

This is a unique site, and on this platform, you can get several tools with lavish features. Even if its plagiarism checker is not too advanced, users love this tool because of the fact that it is free of costs. To use the software you just have to copy and paste your content in the box showed online and then you have to click on the green button saying Check plagiarism. Your text will then be scanned for duplicated content.

The text you enter online will be scanned carefully and so will be the web. You will probably see some red in the results, and this is because standard phrases may trigger red flags. In case there are complete sentences that are not original, the tool will find the original source of all plagiarized or unoriginal content that was copied from the web.

The phrases or sentences which are shown in red already exist online, and they will not pass Google plagiarism tests.

This free plagiarism checker can be used for checking rewritten or spun content to eliminate consistencies, and its benefits are not restricted to black and gray SEO techniques.

Try SmallSEOTools Plagiarism Detector

Editor’s Note: This article continues on the next page. If you’re interested in other writing software, check out our wide collection of guides.