10 Best Plagiarism Checker & Duplicate Content Detector 2024

Currently, numerous plagiarism checker software available in the market allows users to find the percentage of plagiarism in their content.

However, a few paid tools are adequate for the work, these are suggested to the writers and content agencies.

Therefore we have surveyed to analyze the best plagiarism software tools by comparing them thoroughly.

What is a plagiarism checker?

A plagiarism checker is an online tool that can help you determine whether your work has been copied from another source.

It can identify common patterns of plagiarism, such as copying and pasting whole passages without attribution, and can provide tips on how to avoid committing plagiarism.

A plagiarism tool can detect plagiarism from the content with higher accuracy, even when the content has been rephrased originally.

With that, the plagiarism checker provides you with in-depth details & analysis reports about the entire context.

While plagiarism is not always deliberate, it can still be a serious offenses.

In fact, plagiarism is a form of intellectual theft so if you suspect that someone has copied your work, the first step is to determine if the suspected plagiarism is detectable.

Giving credit to yourself for others’ work is not an ethical practice, and a plagiarism checker ensures this effectively.

There are different types of plagiarism and a plagiarism checker helps to detect all of them.

Types of  Plagiarism

Despite the fact, that plagiarism exists even unknowingly, it cannot be tolerated by any original writer because the content industry works in an authentic context.

Plagiarized content can tear down your reputation, and you may fall into the trap of legal issues.

So It is not that someone is copying any content from word to word since different versions of plagiarism exist in the content world.

And, some of the most common types of plagiarism are:

a) Direct Plagiarism:

Under this version, the entire original content of the primary author is copied entirely; in short, it is copied from word to word. Without mentioning the source of copied content, it is called direct plagiarism.

b) Paraphrase Plagiarism:

This practice is quite common among writers in the content industry. Under this version of plagiarism, writers make slight changes to the content once it is copied. Most of the content is rephrased, also known as unique content with second-hand originality. However, giving proper credit to the source is not ethical, especially when taking paragraphs or other content out of it.

c) Mosaic Plagiarism:

Under the Mosaic form of plagiarism, a writer utilizes different websites to write content; however, there is no description of credit or sources from which it was extracted. It can be taken as figures, data, statistics, charts, phrases, words, or paragraphs. Only minor changes occur in the content, and the theme remains the same.

d) Self-Plagiarism:

Self-plagiarism or duplicate content is the practice when a writer copies the content from his or her previous work.

Need for Plagiarism Checker & Detector

Now that you know the different types of plagiarism that need to be prevented while writing unique & original content.

It is universally impossible to create 100% original content that contains no plagiarism because reference context is required to proceed with the work.

Being a writer, it is significant to utilize plagiarism software for countless reasons, such as:

• Your time will be saved by using plagiarism software because you are no longer required to detect plagiarism within the content by searching on Google, which takes many hours.
• Get accurate data and results through plagiarism software because they are developed to detect the sources from where content has been copied.
• The plagiarism tool highlights a phrase or paragraph copied from the other platform content.
• A copied content percentage is shown in the content, which can be reduced further per the requirement.
• Multiple tools publish the reports of the entire content and content which has been copied from others. It gives you proof of unique & original content.
• Lastly, plagiarism software allows a writer to create unique and distinctive content with 100% originality.

In-depth Analysis of Best Plagiarism Checker Tools

We have collected information about ten different plagiarism tools and found some best specifications among them.

And these tools are more useful for content writers in the content marketing services industry.

But before we jump on the best plagiarism tools, let us look at all the features that these tools provide.

And it all begins with some frequently asked questions by the writers themselves:

• Are these tools helpful and accurate?
• What are the benefits of using plagiarism tools?

Thus, to answer your queries, we have done an in-depth analysis that helps you find the best plagiarism checker software that meets your requirements and they are:

a) Accuracy

How accurate can a plagiarism tool be? To test the accuracy of a plagiarism tool, a writer can try these tools. Copy content from the website and paste it on different plagiarism tools; once the result is out, compare it with other tool reports. The higher the errors you get in particular software, the more accurate that specific software is.

b) Page/Word Limits in a plagiarism checker

Many Paid tools also have a specific word limit to check on plagiarism software. You must go through the terms & conditions while purchasing a new tool for your work.

c) Database Size

The result of every plagiarism tool is analyzed through the data reports extracted by the software by cross-checking every phrase or paragraph you have written. A large-scale database presents accurate results. Make sure your plagiarism tool removes the data from a more extensive database to check the accuracy; based on this factor, you will get effective reports.

d) Reporting

While selecting plagiarism checker software, you must raise some queries, such as how a tool exports the report in a PDF or a doc. What type of details is essential, and how are they provided? Does the information given by the tools are significant? How does it detect the results? It is necessary to get the answers to these queries before buying any plagiarism service for an excellent experience.

e) Compatibility in Device

Is your plagiarism tool work on every device? If not, then it is not the right software for your content. Nowadays, many plagiarism tools are available for both PC and Mobile. Most importantly, it should have a chrome extension to maintain compatibility with Google Docs.

f) Languages

As technology advances, writers are looking for more effective solutions. There is a distinct type of language writers who want to check their work in other languages. A Plagiarism software should be multilingual to support every business requirement. If a single tool has this feature, it saves money and time.

g) Exclude Sources

A lot of times, articles contain quotes that are directly relevant to the accountancy of the original author. Under this provision, Wikipedia often stays omitted due to the inability of some plagiarism detectors to allow the surface of the copy content from popular resources.

h) Customer Service

The most important feature of any plagiarism tool is the best customer service support while working on the tool. Always ensure that a tool offers a live chat option to the users. Following that, a user should not wait for hours to get a response from the vendor’s end.

i) Plans & Pricing

The price and Plans of a plagiarism tool are the primary concerns of every writer since they make holes in your pocket. Few free plagiarism tools are available in the market, but they do not provide effective yet accurate user results. Searching for reasonable plans with the best tools is essential. By collating all these factors, you can conclude which is the perfect plagiarism software for your work.

j) Comparing Plagiarism Detectors

Further, we will share the top 10 paid plagiarism tools; it is essential to analyze their features before investing in them. We bring some tips for you based on our research; these aspects will surely help you get righteous software for yourself.

• Quality should be top, showing significant results that match the content.
• The entire interface should be user-friendly and offers a trustworthy service.
• Before publishing, data or content should not be leaked to a third party.
• It must have the skill to detect plagiarism from all or most sources used in the content.

10 Best Plagiarism Checker & Detector Software 2024

There are a number of plagiarism detection tools available online, but which one is the best for you?

So here we will look at some of the best plagiarism checker & detector software available on the market today.

We have enlisted the 10 best plagiarism detectors below that help you to analyze the best tool for your content writing work.

1. Grammarly: Best Plagiarism Checker for Content Agencies

Undoubtedly, Grammarly is a worldwide known software that has been supporting countless writers and agencies with their work.

After grammar correction, this tool is known as the best plagiarism checker tool.

Plagiarism detection is one of Grammarly’s functions, extracting data from a more extensive database.

As per the research, it has been found that most writers prefer Grammarly to detect errors and plagiarism.

This software is the primary choice of every user.

There are numerous reasons for choosing Grammarly as the primary choice for plagiarism detector.

With its friendly interface, a writer is required to copy the content and paste it on the Grammarly sheet, and the result is in your front eyes.

This software has been referred to countless users for a higher accuracy rate in plagiarism detection.

Currently, the Grammarly plagiarism tool has billion of users.

Mainly, it is designed for professional writers and students to help them create an original version of the content.

Pros

• It helps with edited text by detecting a higher content plagiarism rate.
• Grammarly never share your document with any third party
• Offers a happiness guarantee and live support
• Get a live chat option in Grammarly plagiarism detector
• A perfect place to check self-plagiarism content
• It offers a limited free version
• The limited-time of free trial is available
• It has an extension for chrome, browser, Firefox, Safari, Microsoft
• The word limit is up to 150k
• Grammarly plagiarism software is also mobile supportive
• Each phrase of the content goes through billions of web pages available on the internet
• Grammarly Plagiarism Detector does not consume much time
• This software is available in multilingual function

Cons

• The price is a bit high compared to other detectors
• It does not function in the detector

2. Quetext

Another one of the most effective plagiarism tools is Quetext which has assisted countless students, writers, and teachers.

It uses DeepSearch technology to find out duplicacy in the content.

This technology quickly analyzes contextual and direct plagiarism within a short time.

The entire layout of the Quetext website is quite impressive and easy to navigate.

With simple steps such as signing up and pasting the content, you get effective results on your screen that take less than a minute.

The trial version of Quetext is available on the website with a limited word range that shows similar results offered in the paid tool.

Pros

• Aid in writing citations without the idea of context
• It offers a higher accuracy rate in plagiarism detection
• It has a chat option but not a live chat
• Along with snippet text viewer, Quetext works in the background
• Quetext offers a strict privacy policy
• A user can download the plagiarism report
• All the custom links or URLs are excluded

Cons

• It shows the slightest similar results with other multiple sources related to the content.
• Grammarly has no use for scholarly articles or blogs
• Users may find a high range of false positivity while using the tool

3. Unicheck: Best Plagiarism Checker for Academics

This tool is developed for plagiarism detection only and has been entrusted by over 1K writers and academies worldwide.

Many professionals are getting an advantage from Unicheck, such as marketers, writers, bloggers, lawyers, teachers, and students.

It has an advanced AI-based technology primarily designed to find plagiarism content.

Apart from it, Unicheck finds questionable flag content and digital dupery.

In other words, all these factors help every professional to create original content.

With that, a professional can measure his or her performance through the statistics provided in a report and linguistic analysis.

A user can avail of the free plan services for limited days with a short word range, as it is a paid tool.

Pros

• Unicheck analyzes the authentic plagiarism platform from where the content has been copied.
• It does not share any document of the user with other people
• The live chat option is there whenever required
• Unicheck supports 99% of file formats
• Get quick integration and LMS
• Users get to experience real-time analysis from all over the internet

Cons

• It uses similar color highlights for distinct plagiarism sources
• This tool shows numerous matches for a single copied phrase
• Often it delivers unclear plagiarism reports, which are difficult to analyze.

4. PlagScan

A tool designed for academic and business platforms is known as PlagScan.

This is the most preferred software for educational institutions and professionals, offering a higher accuracy rate.

Yet PlagScan is considered significantly suitable for every profession & business.

The user gets a comprehensive plagiarism report and various sources from where the content has been copied.

Moreover, you get a comparison option along with plagiarism detection.

Even when needed, users get the option of rephrasing the text or writing a creative citation.

Pros

• Pay according to the word limit, which can be utilized on time.
• An authentic plagiarized source is shared with the user, the actual source.
• Your information related to the content is not shared with others.
• The percentage of plagiarism data is shown to the user in a detailed report.
• All file formats are supported with the PlagScan tool

Cons

• Many times, most of the plagiarized links are unable to find
• Users do not get extended help such as the live chat feature
• Plagiarized sources are open in an additional tab
• It uses the same color for highlighting, even for different plagiarized platforms.

5. PrepostSeo

Choose a fabulous plagiarism tool for academic purposes or for teachers and students.

Despite this, it can also function for professional authors willing to create authentic content.

Likewise, other plagiarism tools, PrepostSeo, also go through billions of online web pages for plagiarism detection.

Moreover, PrepostSeo has a specialty that it also goes through from the offline pages or database to prevent any possible plagiarism in the content.

A user is allowed to compare the documents during the submission of an assessment as it provides you with an original report about plagiarism attached to the project.

Pros

• It has a free version that allows a 1,000-word limit
• All different plagiarism is highlighted in different colors.
• All formats are accepted while pasting the content on the PrepostSeo
• There is a feature of a Chrome extension for using PrepostSeo
• Both PDF & HTML reports are available to download
• Click on the Make it unique button, which allows you to create original content that has been copied.
• PrepostSeo is a multilingual tool
• A Mobile version of this tool is also available

Cons

• It often fails to detect plagiarism sources or plagiarism within the content.
• Usually, the same color highlighted automatically gets formatted or removed.
• Frequent ads appear on the display while using the PrepostSeo, even if you use a premium account.

6. Compilatio Studium

Prevent plagiarism in your content and make it unique with the help of Compilatio Studium.

This tool benefits every professional such as writers, teachers, and students.

Also, bloggers can take support from the Compilatio Studium tool.

Mainly it has a solution for three types of plagiarism per the user’s requirements.

These three categories are divided as per the below-given format, which depicts which professionals fall under a specific discovered category.

Discover Studium- students

The Discover magistrate- teachers, lawyers, institutions

And Discover copyright- writers and publishing house

Each solution’s results are shown differently to help the user get the best experience.

Results vary from user to user and is shown differently every time.

However, Compilatio Studium offers practical solutions and excellent user experiences.

This software is available in only four countries: Spain, Britain, Germany, and France. Compilatio Studium does not offer any trial or free plagiarism tool version.

Pros

• Give credit to numerous documents and be the original content writer
• It does not format the content like other plagiarism detectors. All the formatting remains the same without any slightest change.
• Directly work on the website rather than installing software for the Compilatio Studium.
• Mainly four languages are supported by the detector- Spanish, German, English, and French.
• Compilatio Studium has a strict privacy policy due to which a document cannot be shared forward from the tool itself.
• Get a detailed view of plagiarism sources with a in-depth report

Cons

• It does not color highlight any plagiarized phrase or paragraph in the content.
• There is only one option for PDF download.
• Plagiarism cannot be resolved quickly since reviewing which part of the content is copied is hard.

7. ProWritingAid: Most Popular Plagiarism Checker

Get a complete package of privileges like any other popular plagiarism tool, such as Grammarly, which offers both plagiarism detection and grammatical errors.

Here you get the features of brilliant power and high accuracy that make it suitable for professionals.

Apart from it, ProWritingAid is easy to navigate, wherein a user can quickly check the content by searching through billions of web pages within a few seconds, which also counts published articles or blogs.

You get the option for Microsoft word add-in or online editing alongside plagiarism reports while running in the background.

Pros

• Professionals can check multilanguage content on ProWritingAid, wherein styling or editing tools are a feasible option.
• Formatting of the content stays intact while using the tool
• It does not sell your hard work written content to any other person or agency
• You get the exact percentage of plagiarism present in your content
• The paraphrasing option is available at ProWritingAid, allowing you to rephrase the entire paragraph or phrase quickly. Still, the quality remains top-notch without creating any plagiarism issues within the content.
• Punctuation, spelling correction, or citation is suggested to the user while running the plagiarism detector.

Cons

• It colors the same highlight even for different plagiarism sources
• There is no feature of live customer chat
• Often customer tends to face problems while generating a single plagiarism report.

8. Copyleaks

When creating excellence within your content, you must get an automated plagiarism tool that supports you to make it.

Copyleak is a highly recommended plagiarism checker which offers quick results, analyses reports, and accurate results.

This tool has the feature of AI- Artificial Intelligence which follows the latest and traditional algorithm.

It allows the tool to quickly find similar phrases, direct plagiarism, and paraphrased content.

It goes miles to search over billions of web pages by taking the help of a vast database so that a professional can create unique content.

Pros

• The graphic interface is quite impressive and user-friendly
• This plagiarism checker has AI technology that makes it more advanced and helpful, especially for professionals, academic platforms, and business-related purposes.
• Copyleak offers standard and individual requirements plans that are more reasonable than other plagiarism tools.
• Over 100+ languages are supported on Copyleak, which makes it a multilingual software.
• Many top IT companies are integrated with Copyleak since it has AI technology. These companies are Moodle, Google Docs, LMS (Learning Management System), and MS Word.

Cons

• Analysis results or final reports are not correct every time. Sometimes, it shows false results.
• Copyleak offers a high false positivity rate, making it a less considerable choice.

9. Copyscape: Plagiarism Checker for Professional Writers

Mainly the service Copyscape plagiarism checker is for banners and content.

It has the main product called Copyscape Premium, which is considered the best plagiarism software and is also a primary choice of every professional.

This tool detects plagiarism from any document and runs a search on billions of web pages within a few seconds to ensure there is no duplicity in the content.

Get the premium API of Copyscape Premium, which allows you to work flexibly and create unique content seamlessly integrated with the best software for plagiarism.

Furthermore, there is a free tool for Copyscape, but it is only a trial version that runs for limited documents.

Pros

• It has the functionality of detecting plagiarism and checking grammatical errors.
• Copyscape uses advanced technology, which allows you an area to explore
• All the plagiarized content gets highlighted in a different color for different sources
• In a single operation, the research goes up to 10,000 web pages
• Your documents and responses are recorded on Copyscape without sharing them with other third people

Cons

• Copyscape supports not every type of document format
• It does not verify plagiarism every time, creating a discrepancy for content duplicity.

10. WhiteSmoke

WhiteSmoke plagiarism checker tool allows the writer to create original yet distinctive content.

The primary function of WhiteSmoke is to detect plagiarism and secondary operations are video tutorials, email templates, translator, documentation, and grammar check.

Usually, it searches for the sources wherein it finds whether the pasted content is copied or not.

While searching for the sources allows the writer to use creativity and create unique writeups.

This software is entirely reliable since it offers a high accuracy rate because it scans billions of pages on the web to detect plagiarism.

Also, users often love the interface of WhiteSmoke as it is user-friendly.

Pros

• It is a multifunctional software whose primary function is to detect plagiarism, and following that, it checks grammar errors, formatting style, punctuation, and spelling.
• It has an impressive user-friendly interface that is easy to navigate
• WhiteSmoke comes along with a translator; in other words, it is a multilingual software
• The Mobile version is also available ahead with a variety of web browser versions
• Tutorial videos are given for reference that support a writer a blogger, or a student in writing more professional articles
• 100+ templates are available on WhiteSmoke to write lucrative content
• The cost of WhiteSmoke is cheaper than the Grammarly tool

Cons

• As per the aesthetic view, it does not have a lucrative interface
• Users have to face challenges while buying the plan of WhiteSmoke since there is a limited license.
• Customer support is not friendly, and neither it is life
• It only allows a user to detect 10,000 characters in a single run
• Even when the website suggests a free version, it does not offer it in reality

FAQ’s on Plagiarism Checker

1. How a plagiarism tool detect copied content within the document?

Earlier plagiarism was detected using a traditional offline method; however, that was quite time-consuming and money-consuming.

A person must go through several newspapers, books, and magazines to check the copied content, yet it remains incomplete and shows a high plagiarism rate.

But now, any professional can identify plagiarism within your submitted document by running the software operations of a plag detector.

Whether your professor or publishing house, both have excellent resources to find copied content using plagiarism software.

Therefore, creating a unique style, tone, or formatting in the content is essential to make it distinctive from others.

Nowadays, even readers can find plagiarism in the content using the correct tools.

Many publishing houses, universities, and web development companies use the best plagiarism detectors that compare your submitted document with an extensive database, which goes through billions of web pages to find the source of copied content.

Later it flags the copied content with a highlight color.

You may know that, but plagiarism can be committed without any personal intention, often due to the similar thought process of humans or the similar phrases we use daily.

It would be better to utilize the best plagiarism detector before publishing your blog or article to ensure that there is no copied content.

2. Does Plagiarism detectors show accurate results?

Each plagiarism detector has a different accuracy rate which can be known while using it.

Before buying any plagiarism tool, it is better to review their trial version, allowing you to observe the percentage criteria.

Compare the accuracy rate of different plagiarism tools with each other and further buy it.

These tools usually work on the large-scale database, which scans over billions of pages available on the internet to match your content with them if it already exists on the search engine.

This issue leads to copied content. The accuracy of the detectors has two aspects- database size and algorithm.

3. How is my document scanned with the support of a large-scale database?

A document is usually scanned by the world’s fastest-developing and big-scale content database, which has over 99.3 billion web pages.

There are chances that your document may have similar results to other resources which are already available on the internet.

Conclusion:

The above is the list of carefully chosen plagiarism checkers, including both paid and free plagiarism tools.

Choose any of them per your budget and be sure that the document you submit is 100% original.

Nowadays, the content industry has become quite conscious of the authenticity and originality of content.

Under this scenario, a professional should offer authentic and uniquely generated content to maintain the organic traffic on a site or to avoid any harm to the reputation.

With the help of a plagiarism detector, a professional can identify the area within the document where the content has been copied, even when it is written as per your wording.

These tools will likely show similar, paraphrased, or copied content within the document and verified sources.

However, the same plagiarism tools offer you to correct those copied parts by clicking on the make it unique.

Most paid plagiarism detectors have other features, such as punctuation, correction in grammatical errors, quality meter, etc.

Above in this article, we share the top 10 paid plagiarism software with honest insights.

A professional can select any of these. Since there are numerous options for plagiarism tools, you can buy them per your budget.

These same companies offer lucrative plans as well, which are quite beneficial.

All these factors help you to avoid any plagiarism within your document.