How to Choose a Plagiarism Checker? Best Plagiarism Checkers

Have you ever worried about accidentally copying someone else’s work? It’s a common problem for writers. Here’s a simple tip: When picking a plagiarism checker, make sure it checks lots of sources, is easy to use, and works well with other tools you use. This way, you can keep your writing original and worry-free! This article will discuss how to choose a plagiarism checker.

To save some time, here the Best Plagiarism Checkers For Writers that you can start using:

  1. Grammarly: Checks billions of webpages and academic papers for plagiarism.
  2. Turnitin: Education favorite with a massive database of student papers and academic sources.
  3. Copyscape: Popular for website owners, offers free and paid plans to find online plagiarism.
  4. Quetext: Uses DeepSearch™ technology to find subtle plagiarism beyond simple word matching.
  5. Plagscan: Versatile tool for schools and businesses, offers detailed reports and integrations.
  6. Duplichecker: Free plagiarism checker with basic functionality, suitable for quick checks.

I have used all of them from time to time and this guide will help you choose a plagiarism checker suitable for your needs!

What is Plagiarism? Why Use a Plagiarism Checker?

Plagiarism is using someone else’s work as your own without credit. It can be direct copying, changing a few words (paraphrasing), or even copying code. It’s important to avoid plagiarism to be fair and honest in your work.

A plagiarism checker helps you avoid using others’ work by mistake. It can also help you cite sources correctly and keep your work honest, especially in school or research.

Types of Plagiarism Checkers

There are free and paid plagiarism checkers. Free ones are good for quick checks, but paid ones offer more detail. Some checkers are cloud-based and work online, while others can be downloaded for offline use. This article will help you choose a plagiarism checker as per your needs.

How to Choose a Plagiarism Checker? Factors to Consider

1. Accuracy

Accurate plagiarism detection is crucial to ensure your work is original and free from unintentional copying. A good plagiarism checker should be able to detect not just direct copies but also paraphrased content, which can be tricky.

For example, when writing a blog post, I used a tool that missed some paraphrased sentences, leading to a difficult situation with a client. It’s essential to choose a checker that understands the nuances of language and can pick up on various forms of plagiarism.

2. Database Size and Scope

The effectiveness of a plagiarism checker largely depends on the size and scope of its database. A comprehensive database should include academic journals, web content, code repositories, and more. This ensures a thorough check.

I remember working on an academic paper and using a checker with a limited database. It failed to identify some sources, which I later discovered through a more extensive tool. A broad database gives you peace of mind that your work is being compared against various sources.

3. Supported File Types

It’s important for a plagiarism checker to support various file types, such as docx, pdf, txt, and more. This flexibility allows writers to check their work in whatever format.

I’ve found it frustrating when a checker doesn’t support a particular file type, forcing me to convert my documents and potentially lose formatting. A good plagiarism checker should accommodate the diverse needs of its users, making the process as seamless as possible.

4. Features

Additional features like grammar checking, citation analysis, and similarity reports can significantly enhance the usability of a plagiarism checker. For example, while working on my blog, I used a tool that checked for plagiarism and provided grammar suggestions, saving me time and improving my writing quality.

Citation analysis is another valuable feature that helps ensure your sources are correctly cited, reducing the risk of accidental plagiarism. Similarity reports are crucial for identifying specific areas of concern in your document, allowing you to make necessary changes before submission.

5. Ease of Use

A user-friendly interface is essential for a plagiarism checker. Clear instructions and easy navigation ensure that users can efficiently use the tool without confusion. I’ve encountered tools with complicated interfaces that made the checking process frustrating.

A straightforward design, with features like drag-and-drop upload and simple report interpretation, can make the experience much more pleasant and efficient.

6. Price and Value

When considering a plagiarism checker, it’s important to weigh the cost against the value it provides. Free options may be suitable for basic checks, but they often have features and database access limitations. Paid options, on the other hand, offer more comprehensive checks and additional features.

For instance, as a blogger, I opted for a subscription plan that offered advanced checking and regular updates, which was worth the investment for the peace of mind it provided. Evaluating your needs and choosing a plan that offers the best value for your specific requirements is essential.

7. Security and Privacy

When using a plagiarism checker, data security is a critical concern. Your documents may contain sensitive or confidential information, so it’s important to choose a tool that has robust security measures in place. Look for checkers that use encryption to protect your data during transmission and storage.

Additionally, a clear privacy policy that outlines how your data will be used and stored is essential.

For example, when I was working on a sensitive report for a client, I made sure to use a plagiarism checker that guaranteed the complete deletion of my document from their servers after the check was completed.

8. Customer Support

Responsive customer support is crucial for a plagiarism checker, especially when dealing with urgent deadlines or technical issues. A good support team can help you navigate the tool, troubleshoot problems, and provide guidance on interpreting reports. I recall a situation where I encountered a glitch in the similarity report.

The customer support team was quick to assist me, ensuring that I could meet my submission deadline without any stress. Look for services that offer multiple support channels, such as email, live chat, and phone support, for a smooth and reliable experience.

How I Evaluate Plagiarism Checkers?

When evaluating the best plagiarism checkers for writers, several key criteria come into play.

  1. First and foremost is accuracy, which ensures that the tool effectively detects both direct copying and more subtle forms of plagiarism like paraphrasing.
  2. Features are also crucial; a top-notch checker should offer additional tools such as grammar checking, citation analysis, and detailed similarity reports to enhance the user experience.
  3. Ease of use is important, as writers need a straightforward interface that allows them to quickly upload documents and interpret results without confusion.
  4. Price is another consideration; the best plagiarism checkers offer a balance between cost and value, providing comprehensive services at a reasonable price point.
  5. Finally, security and privacy measures are essential to protect the writer’s intellectual property, and responsive customer support is a must-have for addressing any issues that may arise.

6 Best Plagiarism Checkers for Writers

1. Duplichecker

Strengths: Duplichecker is a free plagiarism checker that provides basic functionality, making it suitable for quick checks or for users on a tight budget. It is easy to use and offers immediate results.

Weaknesses: As a free tool, Duplichecker’s capabilities are limited compared to paid services. It may not be as thorough in its plagiarism detection, and it lacks advanced features like detailed reports and citation analysis.

duplichecker plagiarism

Pricing: Duplichecker is completely free to use. I also have a dedicated article on Duplichecker vs. Other Plag Checkers.

2. Quetext

Strengths: Quetext uses its DeepSearch™ technology to detect not only direct plagiarism but also more subtle forms, such as paraphrasing. This makes it a valuable tool for writers looking to ensure the originality of their work. It also provides a user-friendly interface and detailed similarity reports.

Weaknesses: The free version of Quetext has a limited word count and fewer features compared to the paid version. Some users may find the pricing for the pro version a bit high for frequent use.

Pricing: Quetext offers a free version with a 500-word limit and basic features. The pro version starts at $9.99 per month (billed annually) and offers unlimited checks and advanced features.

3. Grammarly

Strengths: Grammarly is well-known for its comprehensive grammar and spell-check features, but it also offers a robust plagiarism checker. It scans billions of web pages and academic papers, making it highly effective for a wide range of writing projects. Grammarly’s user-friendly interface and integration with various platforms, including Microsoft Word and Google Docs, enhance its usability.

Weaknesses: While Grammarly’s plagiarism checker is part of its premium package, which may not be affordable for all users. Additionally, some users have reported occasional inaccuracies in its grammar suggestions.

grammarly free tool

Pricing: Grammarly offers a free version with basic grammar and spelling checks. The Grammarly premium version, which includes the plagiarism checker, starts at $12 per month (billed annually).

4. Turnitin

Strengths: Turnitin is a favorite among educators for its extensive database of student papers, academic articles, and publications. It is known for its accuracy in detecting plagiarism and is widely used in academic institutions for maintaining academic integrity.

Weaknesses: Turnitin is primarily designed for educational institutions, so individual writers may find it less accessible. Its pricing can also be prohibitive for personal use.

Pricing: Turnitin does not publicly disclose its pricing, as it is typically purchased by institutions on a subscription basis.

5. Copyscape

Strengths: Copyscape is popular among website owners and content creators for its ability to detect online plagiarism. It offers both free and premium services, making it accessible for different budgets. The premium version provides more comprehensive searches and additional features like batch search and private index.

Weaknesses: The free version of Copyscape has limited functionality, and the premium version can become costly for users who need to check a large volume of content regularly.


Pricing: Copyscape Premium charges 3 cents per search for the first 200 words and 1 cent for each additional 100 words.

6. Plagscan

Strengths: Plagscan is a versatile plagiarism checker that caters to both educational institutions and businesses. It offers detailed reports and easy integration with various platforms. Its ability to check a wide range of file formats adds to its convenience.

Weaknesses: Plagscan’s pricing structure can be complex, with various options for individual users, schools, and businesses. Some users may find it less intuitive compared to other tools.

Pricing: Plagscan offers a pay-as-you-go option starting at 5 cents per page. They also provide individual, school, and business packages with varying features and pricing.

Here’s a comparison table summarizing key features, pricing, and pros/cons of each reviewed plagiarism checker:

Checker Key Features Pricing Pros Cons
Grammarly Checks against billions of sources, grammar and spelling checks Free version; Premium from $12/month Comprehensive checks, user-friendly, integrates with various platforms Premium required for plagiarism checker, occasional grammar inaccuracies
Turnitin Massive database of academic sources, detailed reports Institution-based pricing Highly accurate, widely used in academia Less accessible for individual writers, pricing not transparent
Copyscape Free and premium options, online plagiarism detection Free version; Premium from 3 cents per search Popular for web content, affordable premium options Limited free version, costs can add up for frequent use
Quetext DeepSearch™ technology, detailed similarity reports Free version; Pro from $9.99/month Detects subtle plagiarism, user-friendly Limited free version, pro version relatively expensive
Plagscan Versatile for education and business, checks a wide range of file formats Pay-as-you-go from 5 cents/page; various packages Detailed reports, easy integration Complex pricing, less intuitive interface
Duplichecker Basic plagiarism checking, free to use Free Completely free, easy to use Limited capabilities, no advanced features

This table provides an overview of the different plagiarism checkers available, helping you choose the one that best fits your needs.

How to Choose a Plagiarism Checker? FAQs

What plagiarism checker should I use?

Use a plagiarism checker that suits your needs. Turnitin and Grammarly are popular choices for academic work, and Copyscape and Quetext are commonly used for content writing. When choosing a plagiarism checker, consider factors like accuracy, database size, cost, and ease of use.

Which plagiarism checker is used by universities?

Many universities use Turnitin for checking plagiarism in academic work. It is known for its extensive database of academic papers and journals. Some universities also use Grammarly's plagiarism checker, which is integrated into its writing enhancement tool.

What is a good percentage for plagiarism checker?

A good percentage for a plagiarism checker is typically below 10%. However, this can vary depending on the institution's or publisher's guidelines. It's important to aim for as low a percentage as possible to ensure originality and avoid plagiarism issues.

Which plagiarism checker is high accuracy?

Turnitin and Grammarly are known for their high accuracy in detecting plagiarism. They have large databases and sophisticated algorithms to identify similarities and potential plagiarism in texts. Other accurate checkers include Copyscape and Plagscan.

How do you check if your writing is plagiarism?

To check if your writing is plagiarism-free, use a reliable plagiarism checker. Copy and paste your text into the checker's input field and run the analysis. The checker will compare your text against its database and highlight any similarities or potential plagiarism.

Bottom Line

Choosing the right plagiarism checker is crucial for writers to ensure their work is original and free from unintentional plagiarism. With various options available, each offering different features and pricing structures, it’s important to consider your specific needs.

Whether you’re a student, blogger, or professional writer, look for a checker that provides accurate results, supports your file formats, and fits your budget. Now you know how to choose a plagiarism checker that aligns with your writing style and requirements, you can maintain the integrity of your work and avoid potential issues.

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