100% Free Pro Plagiarism Checker

Search Engine Optimization


Plagiarism Checker

To use this plagiarism checker, please copy and paste your content in the box below, and then click on the big blue button that says “Check Plagiarism!” then sit back and watch as your article is scanned for duplicated content.

Limit: 2000 Words per Search
Total Words: 0
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Check plagiarism via webpage URL:


About Plagiarism Checker

The free plagiarism checker tool that is available on Rencotools is the best because of the benefits it gives its users. From teachers to students, researchers, authors, writers, publishers, and bloggers, anyone will benefit from the Rencotools online plagiarism detection tool, which includes the following:

Quick and Hassle-Free

The online plagiarism checker on this website is a fast tool that provides results in a matter of seconds. By using this plagiarism detection tool, users will not have to follow any lengthy process. The user-friendly interface helps to make the process of checking plagiarism free of complications.

Multi-Platform Supportive

A plagiarism detection tool is a Web-based tool that is accessible on any device. You don't need to install any plugins or programs to verify duplicate content using this online plagiarism checker tool. If you own an Android, iOS, Windows, Linux, or Mac device, you can use our online plagiarism removal tool and find the sources of plagiarism in just a few clicks. All you have to do to check plagiarism online using Rencotools is connect your gadget to an internet connection.

Free Plagiarism Checker Online

There is no cost associated with the use of Rencotools Checker for duplicate content. Users aren't required to shell out a dime for using this plagiarism checker service online. No matter how many pages of text you want to examine for plagiarism, you can utilize the plagiarism checker for free whenever you want without having to worry about limitations or having to pay any fees.

Find Matching Sources

In the event of detecting plagiarism, everyone would like to know the sources that their text is derived from. The most effective plagiarism checker available by Rencotools does not just find the duplicate parts of your text, but will also provide you with the list of sources from which your text has been copied. 

Features of our Plagiarism Checker

A list of the most important features:

With billions of pages on the internet, this duplicate checker will match your content against billions of websites available on the Internet. After you upload your material it will instantly check it against all available content on the internet within a matter of minutes, which makes it the most advanced and efficient scanner you'll encounter in your life.


Multiple document formats

Our similarity checker lets you upload a variety of formats of documents, including .doc, .docx, .txt, .tex, .rtf, .odt, and .pdf. It doesn't matter which format your content has been created in, so long as it's digital, our software will take care of all the work.

Integration of URLs

This free online plagiarism tool not only can upload various types of documents, but also examine plagiarism using a website URL. Enter the URL of the website and then click on the Check Plagiarism button, and you're done.

Cloud compatibility

Do you have cloud storage? Our copyright checker can check content stored in the cloud, such as Dropbox and Google Drive. Pick the location of your content in the cloud, and select the document you'd like to check, then our copyright-checking tool can do the rest.

Percentage gauges

Once you've uploaded the content and clicked to make sure it's plagiarism, Our duplicate checker will display in percentages, the amount of original and plagiarized content within the document. For instance, it will inform you that 82 percent of the content is original, while 18% of it is copied from other sources.

A sentence-wise, list-based result

The tool continues in displaying the percentages of unique and plagiarized content. It also shows both plagiarized and unique areas of the content, sentence-by-sentence. Plagiarized sentences will be highlighted in red, whereas the distinctive ones are shown in green to make it easier for you to identify them.

Highlighted document view

In just one click, you can see the results in a document view in which the entire content is shown in one document, and any copied content is marked in red.

Ability to see matched results

With this copyright checker, you can see the content from outside that is in line with the red sentences within the document. Additionally, your URL for the website is included for an easy examination of the contents.

One-click comparison feature

When the results are out after the results have been compiled, you can click on the results are in, click on the "Compare" link at the bottom of the line that red (plagiarized) area to visit Google and look up the article with similar content published on the internet. It is a great way to determine where plagiarized material comes from.

Exclude Specific URL

If you're not looking to find plagiarism on an URL? Just enter that URL into the Exclude URL box, and the task will be done for you. Any copied (plagiarized) content from the URL won't be regarded as plagiarism.

Why Free Plagiarism Checker?

If you are aware of that or not, plagiarism can affect you in some way. It doesn't matter if you're the author of the content or person who is the one who consumes the content. Plagiarism impacts everyone.

As an author, creator of content (writer or researcher, or student), freelancer, blogger, social media manager, etc. It's common knowledge that you must be constantly making sure there isn't anyone copying your work without consent or giving credit to you.

However, beyond that, you need to test your content with an instrument for detecting plagiarism before making it available for publication or submission to ensure that your work doesn't include plagiarism.

Why? because plagiarism constitutes academic dishonesty, a violation of journalistic ethics, and, most importantly, it is a crime against publishing.

In this way, you don't want to be the victim of plagiarism. If your work has plagiarized content, either intentionally or in error, you could face grave penalties, such as:

  • Legal actions
  • Fines and monetary restitution
  • A damaged reputation


This tool was created to assist you in identifying and quickly spotting plagiarism in text-based digital content. It is trusted and used by millions of people around the world and has the distinction of being the most advanced, feature-rich, and user-friendly tool for checking content online.

We decided to create it as a plagiarism-free tool.

This top-quality online tool is extremely simple to use and reliable. It also delivers astonishingly precise results. It assists in determining plagiarism, regardless of whether the content you submit is academic such as a blog post, ebook or term paper, news article, landing page content, website content, Facebook media content, and email newsletters, among others.

The software was developed by our internal team of highly skilled developers The Plagiarism Checker delivers results fast. Expect results within 0.83 minutes for each 2,000-word search.