Plagiarism checker that is loved by students and educators is the plagiarism checker where users can get plagiarism scores free and in seconds. Even for the hundred-page paper.

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Plagiarism checker that is loved by students and educators

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Our plagiarism checker is fast and accurate. You may try how does it work right here, without a hassle of signing up. If you want to use more options, you are always able to sign up.

1st plagiarism detector

Our plagiarism checker is loved by users. This is why we have more than 6000 reviews on the Trustpilot.

On 2019-10-13 we have checked the reviews of other plagiarism checkers. Here are the results:


What is the best plagiarism checker?

It is an excellent program because it helps students to review their research and send them in a more secure and calm way.
Kelly Tejada Gomez (Plagiarism checker)
5 stars based on 6200 reviews
This program is really fantastic, it allows you to correct your documents and make them professional.
Marina Baroni (Plagiarism checker)
5 stars based on 6200 reviews
A great page. I was able to correct my mistakes and also avoid future mistakes. I’ll recommend it to my friends.
Santiago Laz (Plagiarism checker)
5 stars based on 6200 reviews
In just a few moments, it showed me how many paragraphs in my document are plagiarized and helped me change everything and make it better than before. It’s the best! Keep up the good work,!
Deone Mattea (Plagiarism checker)
5 stars based on 6200 reviews
This application is very helpful to make it easier for people to determine the level of plagiarism so that this application can be further improved with better updates.
Syuhada Klamasi Pertiwi (Plagiarism checker)
5 stars based on 6200 reviews
It’s completely cool, it’s my first time using it and it’s been quite useful and fast. Recommended for those students to pass our research documents.
Midevq (Plagiarism checker)
5 stars based on 6200 reviews

Plagiarism checker for teachers

  • Free plagiarism check for teachers, professors, lecturers
  • Real-time search technology
  • Verification against the 80 million scholarly articles
Read More
Plagiarism checker for teachers
Plagiarism detector for students

Plagiarism detector for students

  • Free plagiarism check before purchase
  • Plagiarism report with sources
  • Verification against the 80 million scholarly articles
Read More

Originality detector for universities

  • Free for school or university staff
  • Quick report generation
  • 99.9% uptime
Read More
Originality detector for universities

Is good plagiarism checker?

#1 on Trustpilot

Our plagiarism checker is loved by users. This is why we have more than 6000 reviews on Trustpilot with the overall evaluation being Excellent.

#1 database of scholarly articles

Our users compare their documents with the largest database of scholarly articles from the most known scientific publishers.

Support of 129 languages

We are fully multilingual at our hearts and with our algorithm. Our plagiarism checker supports 129 languages.

Free for education

We are happy to offer our plagiarism checker free for education. Teachers, lecturers, professors from schools and universities worldwide can use our services pro bono.

Features of plagiarism checker

Types of plagiarism we detect

Our proprietary plagiarism checking algorithm is capable of detecting nearly all types of plagiarism:

Copy-paste plagiarism

  • Verbatim plagiarism
  • Self-plagiarism
  • Clone plagiarism
  • Recycle plagiarism
  • Mashup plagiarism
  • Aggregator plagiarism
  • Re-tweet plagiarism

Improper reference plagiarism

  • Invalid sources
  • Secondary sources
  • No sources

Paraphrase plagiarism

  • Mosaic plagiarism
  • Remix plagiarism
  • Hybrid plagiarism
  • Find-Replace plagiarism
Example of plagiarism detection

Our scoring system offers several features to help make your document the absolute best it can be. With all of these features, as well as color-coding to alert you to any problems, you’ll be able to quickly edit and correct your document with ease.

Similarity score

All reports are provided with a similarity score. This score shows how many similarities are in your documents.

Plagiarism risk score

This score shows you the risk of plagiarism in your document. The more similarities that are detected, the bigger the risk of plagiarism. Our research has shown that this feature detects the risk of plagiarism by 94%. This is but one of many reasons why users love our system.


This score alerts you to the number of paraphrases in your document. A high paraphrase score may signal plagiarism. Be aware of the high paraphrasing score.

Improper citations

This score shows how many improper citations there are in your document. While it’s acceptable to use citations, they should not comprise the majority of your document. It’s also wise to verify the source of any citations used, in order to avoid the risk of plagiarism.


This score shows the amount of “matched” parts in your document.

Example of highlight plagiarism

If any kind of plagiarism is found in your document, the data is highlighted for your review and correction. Our plagiarism checker system offers certain features to help you edit and correct your document – note, that good quotations will be highlighted in green, paraphrases in orange, and improper quotations in purple.

Our plagiarism checker will put links to the sources on the matched parts in your document. These links allow correct any improper quotations, words, and paraphrases in your document. If you are confident that the quotations are placed properly in your document, a simple verification on your part will allow you to proceed with your document review and download.

Plagiarism checker sources and matches

Some citations may be recognized as plagiarism by teachers so it is important to check the paper for correct citation in order to avoid any unpleasant consequences. Our plagiarism checker will let you know which citations are good – they will be marked green. It will also mark purple all the citations which are recognizable as plagiarism, so you will know what citations you should edit. This is the unique feature – no other plagiarism detection system offers such a feature.

Our system’s enhanced technology detects not only copy & paste plagiarism, but also paraphrased plagiarism. If you receive a high paraphrase score, it’s important to carefully and thoroughly review your document to avoid the risk of plagiarism.

Plagiarism checker citations

Even if your document is written in several different languages, our multilingual system is capable of detecting plagiarism. That’s why our plagiarism checker system is recognized as the national plagiarism detection system in several different countries.

Multilingual plagiarism checker

The database is very important for any plagiarism checker. We are proud to offer you the check against billions of documents.

Open database

The open database consists of any open documents that might be found on the internet and of the archived websites. This includes books, journals, encyclopedias, periodicals, magazines, blog articles, newspapers, and other openly available content. With the help of our partners, we are able to find documents that just appeared on the web.

The database of scholarly articles

In addition to the open database, we offer you the ability to check files against the database of scholarly articles. This database consists of more than 80 million scholarly articles from the most known scientific publishers.


Our real-time plagiarism checking algorithm lets us find similarities with the articles that were recently published anywhere on the internet. This nice feature lets you safeguard against plagiarizing from fresh sources.

The algorithm is enabled for all the checks, except the Quick Check.

Frequently asked questions

Teachers ask

Our plagiarism checking service follows the rule that the user account belongs to the user. This means that student needs to create the account by itself. What you need to do is only to share the link to our plagiarism checker with students and wait for them to register.

As soon as the document is uploaded to the service for plagiarism check, a student may share it with his educator. Sharing is totally free for students.

Every educator is granted a free account. Educator’s account lets teachers and professors check up to 20 documents and see up to 20 similarity reports per month for free.

Educator’s account includes plagiarism check with the internet database and the database of scholarly articles.

You can find the invoices following this link