Online Plagiarism Checker

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1.3 + Billion Web Pages

Entire web within one check

10 + Million Publications

Open Source and Private Repositories

5 + Millions Noplag Database

Academic Papers, Articles, Journals

Custom Library of files

Upload files & check via them

Professional plagiarism report for individual use!

  • report-light-img report-dark-img

    Title of document
    & Author Name

    Short summary
    of the results

    Menu to Download or
    Share Report, Switch to
    commenting mode, Delete

  • report-light-img report-dark-img

    Red indicates all similarities
    in the text...

    To view all matches by specific
    sentence, just click on it...

    Matches are filtered
    by the indicated sentence...

    Click on the match to highlight
    similar parts in the text...

  • report-light-img report-dark-img

    Date indicator

    Icons indicating checked
    sources

    View exact amount of
    matched words, view the
    source or omit it

    Zoom, Words & Pages
    information

Report color

Plagiarism Check

Noplag for Individual users

Test for plagiarism your article, essay, other paper or a document etc.

Get started Learn more

Noplag for Schools, Colleges, Universities

Create classes & assignments. Add students and instructors. Check & grade papers online

Noplag for Companies

Add multiple users. Check submitted writing assignments & plagiarism reports online. Good for agencies, business or team of writers

Noplag for Website Owners

Add your websites url.

Check for plagiarism online one or many websites.

Set up alerts to be notified when plagiarism detected

Awesome 16 features...

Students & Instructors
Add, Remove, manage Permissions.
Check essay for plagiarism
Edu
Classes &  Assignments
Enrol your students to classes and assignments
Edu
Task Progress Indicators
To do, Done, Revision, Completed
Co
Single or Multiple document check 
Check many documents simultaneously or one by one.
Checker
Detailed Plagiarism Report
20+ Details to help you manage your similarity report.
Info
Custom Library 
Create your own library of files & check new documents against them.
Info
Multiple file formats
doc, .docx, .rtf, .txt, .odt, .html & .pdf
File
Smart plagiarism checker
Profound analyses per your settings and preferences.
Checker
Download & Share Report 
Share your report with teacher or student, employee or employe...
Info
Useful Statistics 
Know the average plagiarism, total checks, words & pages
Info
Citations & References detection
Exclude citations and References from the report.
Checker
Multiple sources to check against
Web, Public and Private Repositories, Publications & Noplags Database
Checker
Task Management 
Create & Assign Writing Tasks
Co
Collaborate with employees
Add, Remove, manage Permissions
Co
Gradebook
Grade papers online and view summary based on your grading periods.
Edu
Instructor comments
Let your students know how they can improve the paper
Edu

More features

Check for similarities in billions…

And much more...

Whether you are a student overwhelmed with lots of academic writing, or a teacher overwhelmed with even greater amounts of writing to check, you certainly have to deal with plagiarism. You know it may be hard to find a plagiarism checker that is efficient, works fast and provides easy-to-understand results. Sometimes, one may feel like shouting, “A good plagiarism checker! My kingdom for a good plagiarism checker!” Contrary to the common assumption, a high quality plagiarism checker doesn’t have to cost you an arm and a leg – or your entire kingdom – but using a poor quality one really might. Accidentally lost or mismatched sources of research material, lacking or improper citations and attributions, and/or poor paraphrasing may cause you lots of trouble, but an efficient plagiarism detector that uses the latest multi-way scanning algorithms can alert you to these problems.

Accurate checks at a reasonable price – is this possible? It is, if you aim at creating a product that meets the needs of a variety of users, not just the ones with a considerable budget and lots of documents to scan for plagiarism on a regular basis. That's why an innovative Noplag online service was created with maximum effectiveness in mind, based on advanced algorithms of checking your texts against the Internet, public repositories and Noplag extensive database of academic papers. It is very fast, as compared to other plagiarism scanners, and provides a detailed plagiarism report that you can send and share. So don't let plagiarism issues slow you down any more, deal with them in the fastest and most effective way that modern technology provides!

Noplag offers:

  • Plagiarism checker for universities/colleges/schools;
  • Plagiarism checker for students/teachers/academics;
  • Plagiarism checker for freelance writers, website owners, bloggers/journalists;

and anyone else wishing to find out if their written work contains plagiarism.

Everything that has once been problematic about plagiarism or its detection can be easily avoided today. Many people continue to carelessly think that plagiarism may be a problem, but it's not THEIR problem. We can agree, but this definition is missing one main component: a high quality plagiarism checker. If you are using a reliable, efficient and accurate service such as Noplag to check for plagiarism, and it provides fast, detailed, easy-to-interpret results, you can rest assured that plagiarism is not your problem.

noplag.com ❶ - Plagiarism Detector essay checker

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