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Best Plagiarism Checker Software

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Rankings updated: Dec 31, 2025
41 Software

Here is the Best Plagiarism Checker Software & Tools

  • CopyDetect

    The CopyDetect plagiarism checker is designed to ensure content originality for writers, students, and digital professionals. It performs real-time plagiarism analysis by comparing text against web sources and databases, producing detailed reports with percentage scores and highlighted duplicates. The tool supports file uploads, URL checks, and report downloads, making it ideal for academic and professional use. CopyDetect’s browser-based interface ensures ... read more about CopyDetect

    Entry Level Price
    Contact vendor
    Free Trial
    7 Days
    Pricing Type
    Flat Rate
    100% in Plagiarism Checker Software
    Visit website

  • Narrato

    5.06 ReviewsVerified

    AI content creation, ideation and optimization assistant. - Content project management including tasks assignment, tracking and management. - Content workflow automation - Advanced content editor with an AI writing assistant that helps ... read more about Narrato

    Narrato Reviews

    I really enjoyed using Narrato!reviewed by: Anonymous
    Entry Level Price
    $36 Per Month
    Free Trial
    Available
    Pricing Type
    Flat Rate
    10% in Plagiarism Checker Software
    Visit website

  • Grammarly

    5.01 Review

    Grammarly’s online proofreader automatically detects grammar, spelling, punctuation, word choice and style mistakes in your writing. Grammarly’s online proofreader adapts to whether you need to proofread an academic paper, a business cover ... read more about Grammarly

    Grammarly Review

    Effective Proofreading for Our Teamreviewed by: Elias Jensen, -- at DigitalVirk
    Entry Level Price
    $12 Per Month
    Free Trial
    30 Days
    Pricing Type
    Flat Rate
    25% in Plagiarism Checker Software
    Visit website

  • PlagiarismRemover.AI

    4.01 Review

    PlagiarismRemover.AI is a free AI-powered plagiarism removal tool designed for students, educators, and writers. It helps users remove plagiarism online by rewriting content naturally while keeping the original meaning, structure, and formatting ... read more about PlagiarismRemover.AI

    PlagiarismRemover.AI Review

    Simple and reliable plagiarism removerreviewed by: Simon Cooper
    Entry Level Price
    Contact vendor
    Free Trial
    Available
    Pricing Type
    Usage Based
    20% in Plagiarism Checker Software
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  • EasyBib

    Automatic works cited and bibliography formatting for MLA, APA and Chicago/Turabian citation styles.  Turn in your best work. Our smart proofreader catches even the smallest writing mistakes so you don't have to. Check for accidental plagiarism Avoid unintentional plagiarism. Check your work against billions of sources to ensure complete originality.

    Entry Level Price
    Free version
    Free Trial
    Available
    Pricing Type
    Free
    33% in Plagiarism Checker Software
    Visit website

  • Copyleaks

    Detect plagiarism, paraphrased content, and similar text using sophisticated Artificial Intelligence (AI) based algorithms in 100+ languages with our online plagiarism checker. Fast. Accurate. Automated. Copyleaks Plagiarism Checker can compare text online and perform extensive searches across the internet and various databases to find similar content, present only relevant results, and help you stay protected against plagiarism. Copyleaks uses AI ... read more about Copyleaks

    Entry Level Price
    $7.99 Per Month
    Free Trial
    N/A
    Pricing Type
    Flat Rate
    25% in Plagiarism Checker Software
    Visit website

  • PaperRater

    Our cloud-based software digs deep into the syntax and structure of your text without the need to signup, login, or download. You won't find another tool offering plagiarism checking, automated proofreading, grammar check, and automated scoring that can analyze your text this quickly. Robust grammar checking allows you to find those pesky mistakes and correct them before turning in your ... read more about PaperRater

    Entry Level Price
    Free version
    Free Trial
    Available
    Pricing Type
    Free
    50% in Plagiarism Checker Software
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  • Grammar Checker

    The tool is updated regularly to give you the best possible results. Simply write your content in any text editor or word processor that deems fit, and then copy paste it in the above given editor to check. It shows all your Grammatical Errors, Punctuation Errors, Spelling Errors and in many common cases contextual errors too. A lot of users ... read more about Grammar Checker

    Entry Level Price
    Free version
    Free Trial
    Available
    Pricing Type
    Free
    50% in Plagiarism Checker Software
    Visit website

  • UniCheck

    By combining both technological excellence and intuitive design, Unicheck helps to achieve authenticity instead of simply pointing out similarity. Academic institutions trust us as we create plagiarism prevention software based on their feedback. Most of them reside in U.S., Latin America, Spain, Belgium, and Australia. Extensive toolset and clear layout makes Unicheck the best option for those who want their ... read more about UniCheck

    Entry Level Price
    Contact vendor
    Free Trial
    N/A
    Pricing Type
    Contact Vendor
    50% in Plagiarism Checker Software
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  • Plagiarism Checker X

    Plagiarism Checker X 2021 helps you check plagiarism in your research papers, blogs, assignments, and websites. With higher speed and accuracy, you can easily check your text similarity in just a few seconds. Plagiarism Checker X helps students by checking duplication issues in their assignments and papers. You can easily check for content similarity and find the original sources, correct ... read more about Plagiarism Checker X

    Entry Level Price
    Free version
    Free Trial
    Available
    Pricing Type
    Free
    33% in Plagiarism Checker Software
    Visit website

  • Sapling

    Sapling sits on top of CRMs and messaging platforms to help agents more efficiently compose personalized responses. Managers gain conversational insights to coach and prepare teams. Sapling Suggest retrieves relevant responses from a team knowledge bank and allows agents to respond more quickly to customer inquiries by simply clicking on the desired response. Empower agents instead of providing brittle, decision ... read more about Sapling

    Entry Level Price
    $25 Per Month
    Free Trial
    30 Days
    Pricing Type
    Flat Rate
    33% in Plagiarism Checker Software
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  • PlagScan

    Your Plagiarism Checker. Check the authenticity of a text with just a couple of clicks. Our Plagiarism Detection software works with all common file formats. The PlagScan Report is adaptable to your needs. Whether you need a printable PDF-file or want to collaborate with others in an interactive browser report – PlagScan can do it while being easy to use. ... read more about PlagScan

    Entry Level Price
    Contact vendor
    Free Trial
    N/A
    Pricing Type
    Usage Based
    50% in Plagiarism Checker Software
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  • iThenticate

    iThenticate is the most trusted plagiarism checker by the world's top researchers, publishers, and scholars. Check for plagiarism with the tool academic publishers trust. Safeguard your reputation from the damage of a plagiarism claim. Boost your chances of acceptance with the tool publishers prefer. Compare to 70+ billion current and archived web pages and premium scholarly content.

    Entry Level Price
    $125 One-time
    Free Trial
    N/A
    Pricing Type
    Flat Rate
    34% in Plagiarism Checker Software
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  • Noplag

    Writing assistance app with plagiarism detection and grammar check for students, educators, and businesses. Writing Assistance App for Business & Education! Find a template, apply to your doc, write and check for mistakes! Done & Done! Noplag.com - smart plagiarism checker for Individual Use, Educators, Students, Writers, Bloggers, Copywriters, Publishers, Business and Website Owners. AI - powered Writing Assistance App!

    Entry Level Price
    $10 Per Month
    Free Trial
    N/A
    Pricing Type
    Flat Rate
    50% in Plagiarism Checker Software
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  • Plagiarismchecker.co

    Plagiarism checker detects plagiarism in your research papers, blogs, assignments, and websites. With deep search, this tool will check for plagiarism to make sure you get an in depth similarity check.Our algorithms dive deep into the world of the internet and search against a vast library of sources to fetch you the most accurate and thorough plagiarism test results. The ... read more about Plagiarismchecker.co

    Entry Level Price
    $10 Per Month
    Free Trial
    N/A
    Pricing Type
    Flat Rate
    50% in Plagiarism Checker Software
    Visit website

  • PlagiaShield

    Content Is King, right? High-quality, unique written posts are one of your best assets. The truth is, your articles are most probably not unique anymore. You would be surprised how quickly they got copied by dozens of websites. Your blog posts lost their value when they went from original to ordinary. Your content is precious. And so is your time. ... read more about PlagiaShield

    Entry Level Price
    Free version
    Free Trial
    Available
    Pricing Type
    Free
    50% in Plagiarism Checker Software
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  • Scribbr

    With our award-winning Proofreading & Editing service, you can hand in your paper with confidence. The entire review process is confidential and hassle-free. Using the Scribbr Improvement Model, our academic editors will correct your language errors and ensure your paper is consistent and academic in style. When you select our Proofreading & Editing service, your editor will correct mistakes and ... read more about Scribbr

    Entry Level Price
    $25 One-time
    Free Trial
    N/A
    Pricing Type
    Usage Based
    25% in Plagiarism Checker Software
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  • WhiteSmoke

    Whether you're writing an essay, an important e-mail, or your magnum opus, it's always crucial to double-check your writing for errors. Nobody wants to read a C.V. ravaged by grammar errors, or e-mail correspondence among professionals with abbreviations or slang. Most of these errors happen, well, because we're all humans. However, it also happens because we're too busy to be ... read more about WhiteSmoke

    Entry Level Price
    $5 Per Month
    Free Trial
    N/A
    Pricing Type
    Flat Rate
    50% in Plagiarism Checker Software
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  • Wordvice AI

    The Wordvice AI Proofreader is an automatic English language text editor in the mold of Grammarly and the Hemingway Editor apps. It was developed using natural language processing and is focused especially on academic writing and vocabulary. Perfect for academic authors (including non-native English speakers) to check their work before submitting it for final editing for sending to a journal ... read more about Wordvice AI

    Entry Level Price
    Free version
    Free Trial
    Available
    Pricing Type
    Free
    50% in Plagiarism Checker Software
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  • Trinka

    Trinka is an AI-powered English grammar checker and language enhancement writing assistant designed for academic and technical writing. Trinka corrects contextual spelling mistakes and advanced grammar errors by providing writing suggestions in real-time. It helps professionals and academics ensure formal, concise, and engaging writing. Trinka's Enterprise solutions come with unlimited access and great customization options to all of Trinka’s powerful ... read more about Trinka

    Entry Level Price
    Free version
    Free Trial
    Available
    Pricing Type
    Free
    34% in Plagiarism Checker Software
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  • QuillBot

    Your words matter, and our paraphrasing tool is designed to ensure you use the right ones. With 2 free modes and 5 premium modes to choose from, QuillBot’s paraphraser can rephrase any text in a variety of different ways, guaranteeing you find the perfect language, tone, and style for any occasion. Just enter your text into the input box, and ... read more about QuillBot

    Entry Level Price
    $0 One-time
    Free Trial
    N/A
    Pricing Type
    Contact Vendor
    25% in Plagiarism Checker Software
    Visit website

  • Originality.AI

    Originality.ai is the most accurate Chat GPT, Bard, Paraphrasing, and GPT-4 AI detector built specifically for content marketers and SEOs. Originality.ai can future proof your site from the potential of Google penalizing AI content and only publish content you know is original. It can detect if content was AI generated and/or plagiarized with 95%+ accuracy with all data housed and ... read more about Originality.AI

    Entry Level Price
    $30 One-time
    Free Trial
    N/A
    Pricing Type
    Flat Rate
    20% in Plagiarism Checker Software
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  • Multilings

    Multilings offers an exceptional selection of products to enable its users to produce artificial intelligence-driven content, translate content from one language to another, scan for plagiarism in content, and discover citations for any external contributions. Our powerful in-house AI-powered algorithm produces content that precisely meets the desired requirements. This AI-powered tool is immensely helpful for content writers, freelance writers, students, ... read more about Multilings

    Entry Level Price
    $12.66 Per Month
    Free Trial
    Available
    Pricing Type
    Per User
    25% in Plagiarism Checker Software
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  • Engram

    Engram fixes everything from grammar and word choice to sentence structure and natural phrasing. Unlike other grammar checkers that are optimized for native speakers, Engram is designed to handle the complex language errors of non-native English speakers. Whether you’re an international student studying abroad or a professional working at a global company, Engram empowers you to communicate confidently and effectively. ... read more about Engram

    Entry Level Price
    Contact vendor
    Free Trial
    7 Days
    Pricing Type
    Per User
    30% in Plagiarism Checker Software
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  • Cloud Assess

    The simple interface is intuitive and engaging, allowing trainees to access learning material both mobile and desktop. It is a digitally native platform that integrates with all systems, reducing manual tasks, admin costs, and human error. Cloud Assess also gives instant, complete visibility into training outputs, methods, and effectiveness – allowing businesses to address and maintain training and compliance requirements, ... read more about Cloud Assess

    Entry Level Price
    Free version
    Free Trial
    Available
    Pricing Type
    Free
    12% in Plagiarism Checker Software
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  • Plagiarism Detector

    UACE - stands for 'Unicode Anti-Cheating Engine'. This module does analytics to detect most commonly used cheating strategy that replaces Unicode symbols with 'alike' alternatives SciPap - stands for 'Scientific Papers Database', this exact Database was compiled by your web crawling harvester - an analytical search engine that crawls Internet for Scientific Papers. Global Internet Check This is a standard ... read more about Plagiarism Detector

    Entry Level Price
    $41 One-time
    Free Trial
    N/A
    Pricing Type
    Flat Rate
    100% in Plagiarism Checker Software
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  • PlagiarismCheck.org

    Inspired by educators who seek better solutions for focusing on helping students to succeed, we developed a modern similarity detection software. An advanced algorithm that catches text manipulations, grammar mistakes, and verifies authorship to prevent academic dishonesty. Easily integrated with the most popular LMS, it provides data on students' and institutions' success.

    Entry Level Price
    $5.99 Per User
    Free Trial
    N/A
    Pricing Type
    Usage Based
    50% in Plagiarism Checker Software
    Visit website

  • Plagiarismchecker.ai

    Upload your file or paste content into the input box of the plagiarism checker. You can also insert a URL directly into the input box to find plagiarism or the AI score in the text. Once you have uploaded the content or submitted the URL in the input box, click on one of the two options. The first button is ... read more about Plagiarismchecker.ai

    Entry Level Price
    $5 Per Month
    Free Trial
    N/A
    Pricing Type
    Flat Rate
    100% in Plagiarism Checker Software
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  • Proctorio

    Proctorio is a comprehensive remote proctoring service offering identity verification and exam-proctoring services to more than 4,000 higher education, K-12, corporate, and federal institutions around the world, proctoring more than 30 million exams in 2021 alone. Proctorio has the lowest bandwidth requirements in the industry and prioritizes user privacy and security with end-to-end encryption. Its browser extension integrates seamlessly with ... read more about Proctorio

    Entry Level Price
    Contact vendor
    Free Trial
    N/A
    Pricing Type
    Contact Vendor
    100% in Plagiarism Checker Software
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  • Quetext

    By combining advanced DeepSearch™ technology with clear and engaging feedback, we provide our users with the tools necessary to improve their writing. Detect plagiarism and AI with less stress with a click of a button and an easy, immersive experience. Quetext's deep search technology analyzes your text to identify plagiarism and AI, to resolve writing issues, and build citations with ... read more about Quetext

    Entry Level Price
    Free version
    Free Trial
    Available
    Pricing Type
    Free
    100% in Plagiarism Checker Software
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  • Check Plagiarism

    You upload your document in word/pdf format by selecting the type of document, number of pages it have and delivery speed. Based on your choice you make the payment and upload the payment proof. Our expert will then process your document for plagiarism checking and send the plagiarism report to your registered mail. Once you received the report you can ... read more about Check Plagiarism

    Entry Level Price
    Free version
    Free Trial
    Available
    Pricing Type
    Free
    100% in Plagiarism Checker Software
    Visit website

  • Plagium

    Plagium is a service of Septet Systems Inc. Septet Systems Inc. focuses on the development of innovative information search solutions for consumers, enterprises, government, academics, and healthcare. Much of our work is based on Septet’s proprietary TX Miner engine, which employs advanced search technology for deep mining of documents on the public World Wide Web or within private repositories.

    Entry Level Price
    $5 Per Month
    Free Trial
    N/A
    Pricing Type
    Flat Rate
    100% in Plagiarism Checker Software
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  • CorrectEnglish

    Great writing is essential throughout your career and in other aspects of life. Beyond proofreading, CorrectEnglish® teaches you to avoid mistakes with explanations about necessary corrections. We can help you continuously improve your writing everywhere you go. The CorrectEnglish® keyboard tool and browser extension help you perfect emails, work presentations, resumes, and cover letters. Create more professional documents with instant ... read more about CorrectEnglish

    Entry Level Price
    Free version
    Free Trial
    Available
    Pricing Type
    Free
    50% in Plagiarism Checker Software
    Visit website

  • Winston AI

    Winston AI is the world’s leading AI generated text detection solution built for publishers and education. With a commitment to staying ahead of AI language models, Winston AI is here to maintain integrity in publishing and education. Our plagiarism checker will search for occurrences of plagiarism and provide the complete sources. You can also scan any text to see if ... read more about Winston AI

    Entry Level Price
    $12 Per Month
    Free Trial
    14 Days
    Pricing Type
    Flat Rate
    33% in Plagiarism Checker Software
    Visit website

  • Bramework

    With Bramework, you can: ✅ Overcome writer's block ✅ Perform keyword research ✅ Write blog titles ✅ Create blog outlines and intros ✅ Generate paragraphs ✅ Find photos for blogs. Increase Website Traffic - Our (AI Content Generator) will help you create quality content faster to increase your site traffic with the right audience, so you convert more viewers into ... read more about Bramework

    Entry Level Price
    $19 Per Month
    Free Trial
    N/A
    Pricing Type
    Flat Rate
    33% in Plagiarism Checker Software
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FeatureCopyDetectNarrato5.0Grammarly5.0PlagiarismRemover.AI4.0EasyBibCopyleaksPaperRaterGrammar Checker
All features (13 features)
Bulk Document Checking
Citation Detection
Comprehensive Database Access
Customizable Settings
Grammar and Spelling Check
Integration Capabilities
Multi-Language Support
Multiple File Format Support
Privacy and Security
Real-Time Checking
Reporting and Analysis
Scalability
AI Features
Total supportedout of 13 features5/139/137/134/138/138/137/137/13
Full supportNot supported
Feature scores: supported = 1, not supported = 0

What the matrix tells you

Which Plagiarism Checker Software products lead on features, and where the rest fall short.

Feature-count leaders

6 products tie at 12 of 13 features supported - choose on price and category fit, not breadth.

  • Scribbr12 / 13
  • Plagiarism Detector12 / 13
  • Quetext12 / 13
  • Check Plagiarism12 / 13
  • Plagium12 / 13

Most features (6-10)

Solid all-rounders just behind the leaders - strong picks if a top choice does not fit your budget or stack.

  • Winston AI12 / 13
  • Plagiarism Checker X10 / 13
  • Plagiarismchecker.co 10 / 13
  • Trinka10 / 13
  • Narrato9 / 13

Watch-outs - missing table stakes

These products support the fewest features - confirm they cover your must-haves before shortlisting.

  • Plagly.ai2 / 13
  • AI Undetect4 / 13
  • X Detector4 / 13
  • PlagiarismRemover.AI4 / 13
  • Plagiarismchecker.ai5 / 13

Related Feature Matrices

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