Copyscape Plagiarism Checker - Duplicate Content Detection Software

<!DOCTYPE html> <html lang="en"> <head>  <script async src="https://www.googletagmanager.com/gtag/js?id=G-5S5RZ0G583"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-5S5RZ0G583'); </script> <meta charset="UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=2.0, user-scalable=yes"> <link href='//fonts.googleapis.com/css?family=Open+Sans:400,600,300,700' rel='stylesheet' type='text/css'> <link rel="stylesheet" href="css/bootstrap.min.css"> <link rel="stylesheet" href="css/style.css"> <link rel="stylesheet" href="css/slick.css"> <link rel="stylesheet" href="css/owl-theme.css"> <link rel="stylesheet" href="css/owl.carousel.css"> <link rel="stylesheet" href="css/responsive.css"> <link rel="stylesheet" type="text/css" href="css/combined.css"> <style> body { max-width:none; padding:0; margin:0; /* font-family:"Manrope", sans-serif; */ font-family:"Open Sans", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; font-size: 14px; color:black; } header,footer { font-family:"Manrope", sans-serif; } h1 { font-family:"Lato", sans-serif; font-weight:bold; font-size:36px; line-height:150%; color:black; } h2 { font-weight:bold; } abbr, acronym, address, applet, article, aside, audio, b, big, blockquote, body, canvas, caption, center, cite, code, dd, del, details, dfn, dialog, div, dl, dt, em, embed, fieldset, figcaption, figure, font, footer, form, header, hgroup, hr, html, i, iframe, img, ins, kbd, label, legend, li, mark, menu, meter, nav, object, ol, output, p, pre, progress, q, rp, rt, ruby, s, samp, section, small, span, strike, strong, sub, summary, sup, table, tbody, tfoot, thead, time, tt, u, ul, var, video, xmp, .about_column p { line-height: 160%; } p { color:black; } form { /* font-family:"Manrope", sans-serif; */ font-family:"Open Sans", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; } #page_title { margin-top:160px; } .compatibility input[type="submit"] { height: auto; } input[type="submit"], .tallbutton { color: #FFFFFF; font-style: normal; font-weight: 600; border-radius: 20px; background: #004499; text-decoration: none; padding-left: 10px; padding-right: 10px; text-align: center; background-color: #004499; box-shadow: none; border: none; } .tallbutton { font-size: 15px; line-height: 150%; padding: 8px 20px; } .compatibility .tallbutton, .compatibility input.tallbutton, .tallbutton { font-size: 12px; height: auto; padding-left: 20px; padding-right: 20px; } .container_12 > * { max-width:1030px; padding-left:15px; padding-right:15px; margin-left:auto; margin-right:auto; } .container_12 > .header_area, .container_12 > .scroll-to-top { max-width:none; padding:0; margin:0; } .container_12 > .narrow { max-width:640px; } .new_layout_no_bottom_border, .new_layout_no_bottom_border > :last-child { border-bottom:none; } .new_layout_page_no_title { margin-top:120px; } .new_layout_allow_stretch { display:flex; flex-direction:column; min-height:100vh; } .new_layout_stretch_this { flex:1; } </style> <title>Copyscape Plagiarism Checker - Duplicate Content Detection Software</title> <meta name="Description" content="Copyscape is a free plagiarism checker. The software lets you detect duplicate content and check if your text is original." /> <style> body {text-align:left;} </style> </head> <body>  <div id="header-fixed-height"></div> <header class="header_area" id="sticky-header"> <nav class="navbar navbar-expand-lg d-none d-lg-block"> <div class="container"> <a class="navbar-brand" href="./"> <img src="img/copyscape-logo-304x49.svg" alt="Copyscape"> </a> <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarScroll" aria-controls="navbarScroll" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="collapse navbar-collapse" id="navbarScroll"> <ul class="navbar-nav ms-auto my-2 my-lg-0 navbar-nav-scroll" style="--bs-scroll-height: 100px;"> <li class="nav-item"> <a class="nav-link active" href="about.php" style="white-space:nowrap;">About</a> <ul class="sub_menu list-unstyled"> <li> <a href="about.php">About Copyscape</a> </li> <li> <a 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fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="icon icon-tabler icons-tabler-outline icon-tabler-chevron-down"> <path stroke="none" d="M0 0h24v24H0z" fill="none" /> <path d="M6 9l6 6l6 -6" /> </svg> </a> <ul class="list-unstyled"> <li> <a href="signup.php?pro=1">Copyscape Premium</a> </li> <li> <a href="signup.php?pro=0">Copysentry</a> </li> </ul> </li> <li class="sub-mobile-menu"> <a href="login.php">Log in</a> </li> </ul>  </div> </div> </div> </div> </header>  <main> <section class="banner_area"> <div class="container"> <div class="text text-center"> <h1 class="title">The world's most trusted<br>plagiarism checker</h1> <p>Search for copies of your page on the web.</p> <form name="query" method="GET" action="./"> <div class="input_groups position-relative"> <input id="name" type="text" name="q" value="https://" placeholder="https://" onFocus="document.forms.query.q.select()"> <button><img src="img/home-icon-search.svg" alt="Search"></button> </div> </form> <div class="button_groups"> <h4>Or paste text with Copyscape Premium<a href="signup.php?pro=1" class="sign_up_button">Sign Up</a></h4> </div> </div> </div> </section> <section class="productivity_tool_area"> <ul class="list-unstyled productivity-carousel owl-carousel"> <li> <div class="items"> <button><img class="w-custom" src="img/home-quote-time.png"></button> <div class="contents"> <div class="info-slider-items"> <h4>“Productivity tool nobody can live without”</h4> <h5>Time</h5> </div> </div> </div> </li> <li> <div class="items"> <button><img class="w-custom" src="img/home-quote-nbc-news.png"></button> <div class="contents"> <div class="info-slider-items"> <h4>“Talk about an eye opening experience”</h4> <h5>NBC News</h5> </div> </div> </div> </li> <li> <div class="items"> <button><img src="img/home-quote-cbs-news.png"></button> <div class="contents"> <div class="info-slider-items"> <h4>“Definitely worth a look”</h4> <h5>CBS News</h5> </div> </div> </div> </li> <li> <div class="items"> <button><img src="img/home-quote-wsj.png"></button> <div class="contents"> <div class="info-slider-items"> <h4>“See whether text is duplicated elsewhere on the Web”</h4> <h5>Wall Street Journal</h5> </div> </div> </div> </li> <li> <div class="items"> <button><img src="img/home-quote-bbc.png"></button> <div class="contents"> <div class="info-slider-items"> <h4>“A quick way to check a whole website”</h4> <h5>BBC News</h5> </div> </div> </div> </li> <li> <div class="items"> <button><img src="img/home-quote-forbes.png"></button> <div class="contents"> <div class="info-slider-items"> <h4>“Identify where your content is being used online”</h4> <h5>Forbes</h5> </div> </div> </div> </li> <li> <div class="items"> <button><img src="img/home-quote-wired.png"></button> <div class="contents"> <div class="info-slider-items"> <h4>“Keep tabs on who's ripping off your content”</h4> <h5>Wired</h5> </div> </div> </div> </li> <li> <div class="items"> <button><img src="img/home-quote-businessweek.png"></button> <div class="contents"> <div class="info-slider-items"> <h4>“One of our favorite tools”</h4> <h5>Bloomberg BusinessWeek</h5> </div> </div> </div> </li> <li> <div class="items"> <button><img src="img/home-quote-guardian.png"></button> <div class="contents"> <div class="info-slider-items"> <h4>“Vigorously protecting copyright”</h4> <h5>The Guardian</h5> </div> </div> </div> </li> <li> <div class="items"> <button><img class="w-custom" src="img/home-quote-independent.png"></button> <div class="contents"> <div class="info-slider-items"> <h4>“Put your mind at rest”</h4> <h5>The Independent</h5> </div> </div> </div> </li> </ul> <div class="infos text-center"> <div class="arrow"> <img src="img/home-icon-arrow-up.svg"> </div> </div> </section> <section class="image_box_info_area"> <div class="container"> <div class="image_box_info_main"> <div class="text"> <h2 class="title">The Original and Best</h2> <p> For over two decades, companies worldwide have trusted Copyscape as the industry standard for enterprise-class online plagiarism detection. Copyscape is used by the world’s leading companies in publishing, Gen-AI, content marketing, SEO, education, research and more. </p> <a href="signup.php?pro=1" class="theme_btn">Get Started</a> </div> <div class="image"> <img src="img/home-image-world.png" class="img-fluid w-100"> </div> </div> </div> </section> <section class="image_box_info_area_without_bg"> <div class="container"> <div class="image_box_info_main"> <div class="image"> <img src="img/home-image-bulb.png" class="img-fluid w-100"> </div> <div class="text"> <h2 class="title">Embrace AI with Confidence</h2> <p> AI-generated text may include pieces of content reproduced directly from the Internet. You can deploy AI with confidence by using Copyscape to check the originality of all new content. </p> <div class="text-end"> <a href="ai.php" class="link_btn">Learn More <img src="img/home-icon-arrow-right.svg" alt="->"></a> </div> </div> </div> </div> </section> <section class="image_box_info_area_without_bg image_box_2"> <div class="container"> <div class="image_box_info_main"> <div class="text"> <h2 class="title">Check Before You Publish</h2> <p> Publishing plagiarized content on your website can expose you to legal liability and lower your search engine rankings. Whether written by humans or generated by AI, Copyscape checks if your content is unique before you publish. </p> <div class="text-start"> <a href="premium.php" class="link_btn">Learn More <img src="img/home-icon-arrow-right.svg" alt="->"></a> </div> </div> <div class="image"> <img src="img/home-image-hammer.png" class="img-fluid w-100"> </div> </div> </div> </section> <section class="partner_area d-none d-sm-block"> <div class="container"> <h2 class="title text-center">Hear it from our Customers</h2> <div class="main"> <div class="item_box_1"> <div class="info"> <p>"The Jasper Plagiarism Checker is powered by Copyscape, the world's most advanced plagiarism detection system used by millions worldwide. It makes it easy to check if any of the text in a document has been used anywhere else online."</p> <a href="https://www.jasper.ai/"><img src="img/home-quote-jasper.svg"></a> </div> <div class="info"> <p>"Our API integration with Copyscape allows us to have the content checked before it is delivered. With Copyscape, you can rest assured that the content you receive from us is original and unique."</p> <a href="https://topcontent.com/"><img src="img/home-quote-topcontent.png" width="200" height="23"></a> </div> </div> <div class="item_box_2"> <div class="info"> <p>"Copyscape is the best plagiarism checker. Content Writers uses Copyscape to check all articles. We encourage our writers to use Copyscape or another plagiarism tool to check their content before submitting it. That way we have two checks to make sure the content we deliver is free from plagiarism." </p> <a href="https://contentwriters.com/" style="margin-top:auto;"><img src="img/home-quote-contentwriters.svg" width="223" height="40"></a> </div> </div> </div> </div> </section> <section class="image_box_info_area_without_bg"> <div class="container"> <div class="image_box_info_main"> <div class="image"> <img src="img/home-image-copysentry.jpg" class="img-fluid w-100"> <div class="image_info_box"> </div> </div> <div class="text"> <h2 class="title">Get Automated Plagiarism Alerts</h2> <p> Sit back and let Copysentry automatically monitor the web for copies of your content. Receive instant email alerts every time a new copy is found. </p> <div class="text-start"> <a href="copysentry.php" class="link_btn">Learn More <img src="img/home-icon-arrow-right.svg" alt="->"></a> </div> </div> </div> </div> </section> <section class="image_box_info_area_without_bg image_box_2 protect_area"> <div class="container"> <div class="image_box_info_main"> <div class="text"> <h2 class="title mw-100 pe-md-5">Protect your content with Banners</h2> <p> Place our free banners on your web pages to warn potential plagiarists against stealing your content. Choose from a variety of sizes and styles. </p> <div class="text-start"> <a href="banners.php" class="link_btn">Learn More <img src="img/home-icon-arrow-right.svg" alt="->"></a> </div> </div> <div class="image"> <img src="img/home-image-digital.png" class="img-fluid w-100"> <div class="protected_by"> <img src="img/home-image-banner-logo.png" alt="Protected by Copyscape"> </div> </div> </div> </div> </section> </main>  <button class="scroll-to-top"> <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="icon icon-tabler icons-tabler-outline icon-tabler-chevron-up"> <path stroke="none" d="M0 0h24v24H0z" fill="none" /> <path d="M6 15l6 -6l6 6" /> </svg> </button>  <footer class="footer_area" style="margin-top:40px;"> <div class="container"> <div class="row g-4"> <div class="col-lg-3 align-self-center"> <a class="footer_logo" href="./"> <img src="img/copyscape-logo-304x49.svg" alt="Copyscape"> </a> </div> <div class="col-lg-9"> <div class="text-start text-lg-end"> <p style="font-size:12px;"> Copyscape © 2025 Indigo Stream Technologies, providers of <a href="http://www.gigaalert.com" style="color:#808080">Giga Alert</a> and <a href="http://www.siteliner.com/" style="color:#808080">Siteliner</a>. 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Copyscape Plagiarism Checker - Duplicate Content Detection Software