Best Websites to Check Plagiarism Online in 2023

In today’s digital age, plagiarism has become a significant concern for educators, students, researchers, and writers. Using someone else’s work without proper attribution not only undermines the original author’s efforts but can also lead to serious consequences like copyright infringement and loss of reputation. Thankfully, there are numerous online plagiarism checkers available to help detect and prevent plagiarism. In this article, we’ll explore some of the best websites to check for plagiarism online.

How to Check Plagiarism Online:

Below is a list of websites that offer some of the best plagiarism services, both free and paid.

  1. Plagiarism Detector:

The Plagiarism Detector is a powerful tool that can help you find similar content across the internet with great precision. It supports 12 languages, including English, Malay, Arabic, Indonesian, and more. While it’s not entirely free, you can opt for their Go Pro account to get more accurate results without any word limit and unwanted ads.

  1. Quetext:

Quetext is another favorite of ours. It has a very clean user interface and is quite easy to use. Just copy and paste your text content to find similar content on the internet. Quetext offers a free service with a limit of 2,500 words, and you can upgrade to the Pro plan for $9.99/month if you’re satisfied with the results.

  1. DupliChecker:

DupliChecker is another reliable website that uses artificial intelligence technology to detect plagiarism in up to 7 languages. You can also upload and check documents in various formats. It’s free for up to 1,000 words or you can opt for the Pro account, which costs $10/month for the basic plan.

  1. Plagiarism Checker:

This cool website allows you to check posts from texts, files, documents, blogs, research papers, and websites. It has a limit of 800 words for its free service, but you can switch to the Pro package for more accurate results and a 30,000-word limit.

  1. Grammarly:

Grammarly is one of the most popular online writing tools that also includes a plagiarism checker. The basic version is free and it checks for plagiarism against billions of web pages. However, it only highlights potential plagiarized content and doesn’t provide a detailed report.


  • Free to use
  • Easy-to-use interface
  • Integrated with other writing tools


  • Limited functionality
  • Only checks against online sources
  1. Turnitin:

Turnitin is one of the most popular paid plagiarism checkers used by educators and institutions. It checks for plagiarism against a vast database of student papers, web pages, and academic journals. It also provides a detailed report that shows the percentage of plagiarism, the sources used, and the exact matching content. However, Turnitin is only available through a subscription, and the pricing varies depending on the institution.


  • Comprehensive plagiarism checker
  • Detailed reports
  • Used by educators and institutions


  • Expensive
  • Only available through a subscription


While free plagiarism checkers are a good starting point, they often have limitations like checking against only online sources and having limited functionality. On the other hand, paid plagiarism checkers offer more comprehensive checks, detailed reports, and broader sources but come with a subscription fee.

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