10 Best Research Paper Plagiarism Checker with Percentage for 15,000 Words

| Created on December 22, 2020

Updated on July 29, 2021

Research paper plagiarism checker

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Whether you are a student or a professor, a research paper plagiarism checker is an essential tool for you. Modern day free plagiarism checkers for students can even detect sentences that have been paraphrased.

The research paper best plagiarism checker uses innovative methods to compare your documents with journals, books, websites and other research papers published on the internet. At the same time, they also minimise false positives.

free online plagiarism checker with percentage

Who Can Benefit from Free Online Plagiarism Checker with Percentage

A plagiarism checker for unlimited words can be beneficial for a large category of people other than just educational institutions. People across different industries are using free or paid versions of plagiarism checkers for 15000 words or more.

  • Journalists

Journalists are liable for providing fair and unbiased news. A plagiarism checker software can be a useful companion in that pursuit. Before publishing anything, journalists can know the exact percentage of plagiarism in their writeup and then tweak it if the percentage is above a certain threshold.

  • Educational Institutions

Educational institutions can check the thesis of students for plagiarism using free and paid plagiarism detector tools. They can compare the thesis with other thesis, books and any other relevant material available online. A free plagiarism checker for research papers is also beneficial for educational institutions as checking each student’s submission manually is virtually impossible.

  • Writers

Writers writing for their own website or doing freelance work for other organisations have to be sure that their content is 100% original. They can do this by adopting free online plagiarism checkers with percentage. It is highly possible that a few lines here and there might be similar to the content present on competitor websites.

So, it’s better that you set a threshold for plagiarism. If your content has a plagiarised content higher than that percentage, you need to make serious revamps.

List of 10 Best Research Paper Plagiarism Checkers in 2021

Your search for research paper plagiarism checker online ends here. We tell you the top plagiarism detection tools that are suitable for personal as well as professional use.

Thesis & Research Paper Plagiarism CheckerPlagiarism Report AccuracyPlagiarism Checker Pricing
PlagtrackerCompares your file with 14 billion sites and 5 million academic papers.₹1,096 monthly
WhatisResearchCapable of checking up to 100,000 words for plagiarism.₹730 monthly
PaperRaterEvaluates your document by comparing it against 10 billion documents.₹819 monthly
ScribbrCompares your documents with 70 billion web pages and over 69 million published scholar articles.₹42,861 one time
BibMeCan evaluate 19,900 characters in one go and cross check them against online sites, published articles and books.₹727 monthly
EduBirdieClaims to compare your document across several scholarly sites.₹1,023 monthly
PlagiarismaCan evaluate 19,900 characters in one go and cross check them against online sites, published articles and booksAvailable at official website
iThenticateIt compares your documents against exam papers, essays and journals published online.₹2,193 premium plan
Research ExpertsIt cross checks your documents against 70+ billion sites and 135 million other resources such as Encyclopaedias and pre-prints.₹300 per page
CopyleaksIt checks trillions and millions of academic websites, journals and even private databases.₹ 42,441

Research Paper Plagiarism Checker Online Free for Students (15,000 Plus Words)

Here’s the list of the best plagiarism checker for research papers online:


  • PlagTracker

research paper plagiarism checker free - plag tracker

Plagtracker research paper plagiarism checker online can also be used for detecting grammatical errors in your documents before final submission. It can be used by teachers and publishers to know the authenticity of any said content.

Site owners can use PlagTracker to check the originality of their entire website. Moreover, this plagiarism checker tool can be used for evaluating documents in different languages such as English, German, French, Romanian, Italian and so on.

PlagTracker Online Plagiarism Checker for Research Papers Free Features

  • Best-in-class algorithm for document evaluation.
  • Easy to understand and simple reports.
  • No need to download or install the tool. It can be used completely online.
  • PlagTracker’s API can be used to check the originality of URLs and offline texts.

Pros

  • You can quickly check the percentage of plagiarism in your content by uploading your documents online.
  • PlagTracker provides a PDF version of reports detailing plagiarised content.
  • Best for teachers and post-secondary educators
  • Intuitive interface with plagiarism checker percentage
  • Quick report generation with this best plagiarism checker for research papers
  • Possible to check up to five thousand words at a time for free.

Cons

  • PlagTracker throws up false positives every now and then.

PlagTracker Plagiarism Checker Accuracy

This research paper plagiarism checker unlimited words free compares your file with 14 billion sites and 5 million academic papers.

PlagTracker Pricing: PlagTracker as one of the best plagiarism checkers for research papers is available at a monthly price of Rs 1096. For more details, you can request a call back on Techjockey.


  • Quetext

best plagiarism checker for research papers - quetext

Quetext online plagiarism checker for research papers makes use of ‘DeepSearch Technology’ for quick detection of plagiarised content. In addition to websites, Quetext also analyses academic documents, eBooks and news articles for finding out the percentage of copied content.

This research paper plagiarism checker software makes use of a ColorGrade feedback tool which highlights portions of texts exactly matching with some other content online and portions somewhat matching in different colors.

Features of Quetext Free Online Plagiarism Checker with Percentage

  • Thoroughly tested plagiarism detection algorithm.
  • High regard for your privacy, as your uploaded files are not shared with third parties.
  • You are instantly notified in case you miss out on citing a particular portion of your text.
  • Quetext helps figure out fuzzy matches- such texts where phrasing and words have been changed numerous times to avoid plagiarism.

Pros 

  • Quetext not only analyses words and phrases but also considers the overall context of surrounding sentences.
  • It has advanced text analytical tools based on machine learning. They can also detect grammatical mistakes.
  • DeepSearch option ideal for finding out even slight traces of plagiarism
  • User privacy guaranteed as the research paper plagiarism software doesn’t store any information related to documents scanned
  • Smooth text scanning process for checking plagiarized content

Cons

  • The paid version of Quetext might be a bit pricey especially for students.

Quetext Plag Checker Software Accuracy

This free plagiarism checker for students can check up to 100,000 words for plagiarism.

Quetext’s Pricing- Quetext offers a paid Pro plan at a monthly price of Rs 730. Details regarding Quetext Plagiarism Checker 15,000 words free, and other premium features can be accessed by connecting with Techjockey.


  • PaperRater

PaperRater plagiarism checker for an unlimited number of words uses artificial intelligence to effectively detect copied words and phrases. In addition to detecting plagiarism, PaperRater can also be used for spotting grammatical mistakes in your writeup.

This plagiarism software for research papers provides comments and suggestions at places where it thinks the writeup can be improved. These suggestions revolve around phrasing, style of writing and much more. 

PaperRater Plagiarism Checker 15000 Words Free Features

  • Evaluation of submitted documents in almost real time.
  • PaperRater is cloud based software and needs not to be downloaded or installed on your system.
  • Its AI agent Grendel provides feedback for making the structure of your writeup better in addition to providing suggestions for avoiding grammatical and punctuation errors.
  • PaperRater’s vocabulary builder helps students understand the meaning and usage of complex English words.

Pros

  • PaperRater can be easily used by students, teachers and other professionals.
  • No matter how long your document is, PaperRater gives plagiarized content results within 15 seconds.
  • Option for checking spelling and grammatical errors is a plus
  • Style analysis module to further improve the quality of writing
  • Module to select vocabulary appropriateness ideal to set the level of writing as per the target audience
  • Quick generation of printable plagiarized text reports

Cons

  •  PaperRater is comparatively tough to use on mobile devices.

PaperRater Plagiarism Software Accuracy

Check your thesis for plagiarism for free with PaperRater. It evaluates your document by comparing it against 10 billion documents.

Plagiarism Checker 15,000 Words Free Pricing: PaperRater premium plan is available at a cost of Rs 819 per month. More details about this plagiarism checker for research papers is available on Techjockey.

Best Research Paper Plagiarism Checker Free Options with Accurate Plagiarism Report

  • Scribbr

free plagiarism checker for research papers - Scribber

Scribbr plagiarism checker is deemed as one of the best plagiarism checkers for research papers as it generates deeply analysed reports highlighting the words and phrases that have been copied off the net. While doing this, it does not include frequently used terms and phrases as part of plagiarised content.

Scribbr securely evaluates your document and does not store anything in its database. After you have checked for plagiarism, you can straightaway delete your document.

Features of Scribbr Free Plagiarism Checker for Research Papers

  • Scribbr is capable of detecting plagiarism in paragraphs where synonyms have been put or the text has been created after borrowing from multiple websites.
  • In addition to online websites, it also crosschecks your document against journals and even eBooks.
  • Scribbr provides an own sources checker tool where you can add unpublished reference material and then check for plagiarism.
  • It generates customizable plagiarism reports. You can choose to include or exclude databases.

Pros

  • It can check for plagiarism in writeups in different languages.
  • Scribbr makes use of a knowledge base to help you reduce plagiarism in your research papers.
  • Detailed percentage reports on plagiarized content
  • This free online plagiarism checker with percentage is quite easy to use
  • Database with books, articles and websites 
  • Document highlights make it easy to look for duplicate content

Cons

  • Scribbr does not provide the option of adding citations directly on to your reports.

Scribbr Accuracy to Check Thesis for Plagiarism Free

Scribbr free online plagiarism checker with percentage for research papers compares your documents with 70 billion web pages and over 69 million published scholar articles.

Plagiarism Checker Pricing- Scribbr free online plagiarism checker with percentage has a paid premium plan whose total cost is around Rs 42,861. You may connect with Techjockey team for more details.


  • BibMe

plagiarism checker 15000 words free - bibme

BibMe research paper plagiarism checker online can be used for checking grammatical mistakes and punctuation errors in addition to plagiarism. With this tool, you can even add citations directly to your document.

BibMe uses advanced plagiarism checking tools such as identifying changes in active and passive voice, citing plagiarised text that might have crept in by mistake and suggestions for improving text structure.  

BibMe Research Paper Plagiarism Checker Online Free Features

  • BibMe offers useful tips for improving your writing style.
  • This self plagiarism checker tool has the feature of adding a bibliography at the end of your research paper.
  • Through its expert check features, you can obtain feedback from writing experts on how to better your articulation, structure etc.
  • BibMe lets you upload documents directly from the device’s local storage or google drive.

Pros

  • BibMe can be easily used by teachers, students and journalists.
  • You can create a proper citation for your document from within the software itself.
  • BibMe as one of the best plagiarism checker for research papers offers a friendly customer service support
  • Instant suggestions for grammar and style corrections make your job easy
  • Direct file upload g system gives the software its friendly user interface
  • Free plan available but paid plan also not much expensive

Cons

  • BibMe does not provide the option of exporting your plagiarism report.

BibMe Self Plagiarism Checker Accuracy

Although there is no specific number, this research paper plagiarism checker claims to compare your document across several scholarly sites.

BibMe Plagiarism Checker With Percentage Pricing- This online plagiarism checker for research papers is available at a monthly price of Rs 727. Techjockey team can be contacted for detailed paid plans.


  • EduBirdie

plagiarism tool for students - edubird

EduBirdie’s all in one plagiarism detector is meant to be used by teachers, students, content writers and more. This online plagiarism checker for research papers helps you to correct grammatical mistakes within your texts and also improves its readability. Once you have evaluated your document, you get a detailed report which contains the sources from where content might have been plagiarised.

EduBirdie Online Plagiarism Checker for Research Papers Free Features 

  • EduBirdie’s paraphrasing abilities are backed by artificial intelligence.                                        
  • It helps you reduce the percentage of plagiarised content with its inbuilt citation generator.
  • EduBirdie offers detailed explanations for grammatical mistakes that it points out.
  • The tool provides you study guides, telling information about several citation styles.

Pros

  • EduBirdie self plagiarism checker can be used for creating a bibliography as per your formatting rules.
  • This thesis content checker is useful for improving the readability of your overall text.
  • Round the clock customer service support
  • Mobile version available for iOS devices
  • Range of writing services is wide

Cons

  •  EduBirdie thesis content checker can be a bit costly for some users.

EduBirdie Unique Content Checker Accuracy

This online plagiarism checker for research papers can evaluate 19,900 characters in one go and cross check them against online sites, published articles and books.

Free Online Percentage Checker with Percentage Pricing- Interestingly, this plagiarism checker 15,000 words free application lets its end-users use their bidding system for mentioning their own separate prices. Otherwise, cost of its premium plans starts from Rs 1023/month. For free demo support, you can get in touch with us.


  • Plagiarisma

Plagiarisma research paper plagiarism checker software is a simple and easy to use tool for students and educational institutions. Plagiarisma unique content checker respects your privacy and does not store your uploaded content. This research paper plagiarism checker also expects uploading of files in several formats such as TXT, HTML, DOC, PPTX and more.

Features of Plagiarisma Free Online Plagiarism Checker with Percentage

  • Plagiarisma is compatible with even older version of windows such as Windows 7 and 8
  • The tool can be used for documents in different languages such as Brazilian, French, mandarin and so on.
  •  Plagiarisma unique content checker provides citations and quotations that might be absent from your text.
  • It offers a paraphrasing tool for improving sentence structures.

Pros

  • Plagiarisma’s simple and intuitive interface makes it suitable to be used for quick results.
  • It also offers the option of uploading documents directly from google drive.
  • Multiple options to add input files
  • Inbuilt spell checker with this plagiarism software for research papers
  • Option to search for website content using a URL

Cons

  • Plagiarisma copyright content checker might throw up different plagiarism percentages for the same document when it is scanned numerous times.

Plagiarisma Copyright Content Checker Accuracy

This plagiarism checker can be used for more than 15000 words for free. It compares your documents against exam papers, essays and journals published online.

Plagiarisma Best Plagiarism Checker for Research Papers Pricing- Details of the premium plan is available at the official website.


  • iThenticate

check thesis for plagiarism - ithenticate

iThenticate free plagiarism checker for students is popular for providing detailed reports which help you know which exact words and phrases have been plagiarised. This plagiarism checker tool supports uploading of your file in different formats such as .DOC, .DOCX, .RTF, .TXT etc. Moreover, iThenticate unique content checker also provides a help section where you can place a query and get a quick response to that.

Features of iThenticate Plagiarism Checker for Unlimited Words

  • iThenticate generates downloadable plagiarism reports.
  • The plagiarism tool detects words or phrases which might have been changed or removed deliberately.
  • iThenticate APIs can be used for combining them with solutions for tracking manuscripts.
  • iThenticate allows administrators to create reporting groups and then add new users to those reporting groups.

Pros

  • iThenticate offers a high degree of functionality for both educational institutions and students.
  • It finds out plagiarism percentage by comparing your document with even archived web pages.
  • Accurate plagiarism reports with this research paper plagiarism software
  • Good for even large files like books and thesis
  • Quick report generation for all types of documents

Cons

  • iThenticate is one of the expensive plagiarism software out there. The free version allows resubmissions only five times.

iThenticate Plagiarism Checking Software Accuracy

Check thesis for plagiarism with free version of iThenticate copyright content checker. It cross checks your documents against 70+ billion sites and 135 million other resources such as encyclopaedias and pre-prints.

Pricing: The cost of iThenticate’s premium plan is Rs 21,953.Sales support team at Techjockey may be contacted for all customization requirements or free demos.

Best Thesis Plagiarism Checker Software for University Students

  • Research Experts

Research Experts is one of the best plagiarism checkers for research papers preferred by students pursuing Doctorate programmes. Research Experts tools also offer the service of paraphrasing your entire document manually. What’s more beneficial is that Research Experts maintain your privacy and do not store your uploaded documents in its database.

Research Experts Thesis Plagiarism Checker Free Features

  • Research experts provide writing service for dissertations and synopsis.
  • It provides an instant plagiarism report which highlights words and phrases that have been copied.
  • Research experts has a simple to use and intuitive interface.

Pros

  • This free plagiarism checker for research paper promises to keep plagiarism percentage to less than 10%.

Cons

  • The plagiarism checker app may run into a few bugs while scanning your documents and as a result may throw up false positives.

Research Experts Accuracy to Check Thesis for Plagiarism Free

  • Research Experts utilises their in-house plagiarism checking tools which generates reports across academic institutions around the globe.

Plagiarism Checker for Research Papers Pricing- For a plagiarism value of 91-100 percent, the otherwise free online plagiarism checker with percentage is available at a price of Rs 300/page.


  • Copyleaks

free plagiarism checker tool - copyleaks

Copyleaks free plagiarism checker for research papers is an AI based tool that effectively detects texts that have been smartly paraphrased to avoid detection. It provides you with intuitive reports that shows you the percentage of original text, exactly matching and similar words and much more. Copyleaks thesis plagiarism checker is also useful for teachers as it allows them to grade multiple papers and assignments in one go.

Features of Copyleaks Free Online Plagiarism Checker with Percentage

  • Copyleaks thesis plagiarism checker offers advanced integration with third party applications such as google docs, MS Word etc.
  • Copyleaks allows developers to protect their codes from being plagiarised.
  • You can upload your document in multiple formats such as DOC, DOCX, HTML, etc.
  • It is capable of scanning texts in different languages such as Spanish, French, German, Hindi etc.

Pros

  • Copyleaks thesis plagiarism checker provides intuitive reports that can be easily shared with others.
  • If your file is large, the tool can evaluate it for plagiarism in the background while you carry on with other tasks.
  • Intuitive interface
  • Literature comparison feature is amazing
  • Parsing pdf files is superefficient 
  • Paid plans based on individual requirements
  • Multi language support with this research paper plagiarism software

Cons

  • The unique content checker might throw up differing results for the same document.

Copyleaks Plagiarism Report Accuracy

  • This plagiarism checker can be used for documents above 15000 words for free. It checks trillions and millions of academic websites, journals and even private databases.

Pricing of Copyleaks Best Plagiarism Checker for Research Papers Pricing- Copyleaks premium Business & Enterprise plan for examining up to 10,000 pages is available at a price of Rs 42,441. You can further contact Techjockey team for free demo and pricing details.


Which is the Best Plagiarism Checker 15 000 Words Free with Percentage

The best research paper plagiarism checker is an important tool for students and teachers for rooting out copied words and phrases. Plagiarism is a shameful practice that all creative writers and researchers should avoid. Use the best free online plagiarism checker with a percentage for uploading your documents in different formats and then obtain analyzed reports.

You can also check How to Use Unique Content Checker Online with No Word Limit

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