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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>SSL Certificate & CSR Decoder</title> <meta name="description" content="Utilize our CSR Decoder to decode your Certificate Signing Request or SSL Certificate and ensure its accuracy."> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <meta name="author" content="iban.com"> <meta name="copyright" content="Copyright 漏 ssl.org All rights reserved."> <meta name="referrer" content="no-referrer"> <link rel="preconnect" href="https://cdnjs.cloudflare.com" crossorigin> <link rel="preconnect" href="https://fonts.googleapis.com"> <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin> <link rel="icon" href="/favicon.ico"> <link rel="preload" href="/webfonts/fa-duotone-900.woff2" as="font" type="font/woff2" crossorigin> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH" crossorigin="anonymous"> <script src="https://cdn.jsdelivr.net/npm/jquery@3.7.1/dist/jquery.min.js" integrity="sha256-/JqT3SQfawRcv/BIHPThkBvs0OEvtFFmqPF/lYI/Cxo=" crossorigin="anonymous"></script> <link rel="stylesheet" href="/css/style.css?v=17:28:21"> </head> <body> <header class="d-print-none"> <nav class="navbar navbar-expand-lg navbar-light fixed-top"> <div class="container px-sm-0 px-0"> <a class="navbar-brand" href="/"><img id="logo" src="/img/logo.svg" alt="SSL" title="SSL.org" width="130" height="57"></a> <button class="navbar-toggler collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation"> <span class="toggler-icon top-bar"></span> <span class="toggler-icon middle-bar"></span> <span class="toggler-icon bottom-bar"></span> </button> <div class="collapse navbar-collapse justify-content-end expanded" id="navbarSupportedContent"> <ul class="navbar-nav ml-auto my-sx-2 m-lg-0"> <li class="nav-item"><a class="nav-link " aria-current="page" href="/">SSL Checker</a></li> <li class="nav-item"><a class="nav-link " aria-current="page" href="/csr-generator">CSR Generator</a></li> <li class="nav-item"><a class="nav-link active" aria-current="page" href="/csr-decoder">CSR Decoder</a></li> <li class="nav-item"><a class="nav-link " aria-current="page" href="/certificate-key-matcher">SSL Matcher</a></li> <li class="nav-item"><a class="nav-link " aria-current="page" href="/server-config-generator">Config Generator</a></li> <li class="nav-item"><a class="nav-link " href="/cipher-suite-mapping">Cipher Mapping</a></li> <li class="nav-item"><a class="nav-link " href="/abbreviations">Abbreviations</a></li>  </ul> </div> </div> </nav> </header> <section class="section mt-5 pt-5"> <div class="container"> <div class="row justify-content-center"> <div class="col-lg-10 col-md-10"> <div class="section-title text-center mt-5"> <h1>SSL Certificate & CSR Decoder</h1> <p>CSR Decoder is used to extract and display information from Certificate Signing Request or SSL Certificate and ensure its accuracy. This tool decodes CSRs, presenting their contents in a clear and understandable format.</p> </div> </div></div> </div> </section> <section class="section mt-3"> <div class="container"> <div class="row justify-content-center"> <div class="col-md-12"> <div class="hb-form form-normal mt-3 pt-5"> <form id="decodeForm" class="container"> <textarea name="data" class="form-control align-middle" required="required" rows="40" placeholder="Paste your SSL Certificate or CSR here"></textarea> <div class="row justify-content-center pt-5 pb-3"> <div class="col-md-4"> <button class="m-btn m-btn-theme w-100" type="submit">Decode</button> </div> </div> </form> <div id="resultContainer"></div> <script> document.getElementById('decodeForm').addEventListener('submit', function(event) { event.preventDefault(); var formData = new FormData(this); var xhr = new XMLHttpRequest(); xhr.open('POST', 'csr-decoder.php', true); xhr.onload = function () { if (xhr.status >= 200 && xhr.status < 300) { // Update the result container with the response document.getElementById('resultContainer').innerHTML = xhr.responseText; } else { console.error('The request failed!'); } }; xhr.onerror = function () { console.error('The request failed!'); }; xhr.send(formData); }); </script> </div></div> <h2 class="my-5">CSR Example</h2> <pre class="p-3"><code>-----BEGIN CERTIFICATE REQUEST----- MIIEsDCCApgCAQAwazELMAkGA1UEBhMCQkcxEDAOBgNVBAgMB1Bsb3ZkaXYxEDAO BgNVBAcMB1Bsb3ZkaXYxGTAXBgNVBAoMEEdXIFNPTFVUSU9OUyBMVEQxCzAJBgNV BAsMAklUMRAwDgYDVQQDDAdzc2wub3JnMIICIjANBgkqhkiG9w0BAQEFAAOCAg8A MIICCgKCAgEA1rlp3qtsXJith6JkCvhyjutDYMcHcBEoOuRS4Kxv/SQI4HB7Ulgy fCRJ35gU0p2Mz6MchOct1Ag+uGYux38LqUUSeOzKdgSlWytGTNVk7e8jZgdbWzL4 uzYYFg0Ry3G49JbdwlbtnnvjnB02/1Ckw6SkMU4EXYuRkDtX6zHWUnTEOVGiUe6j GtFZX8n+kFqbyf4HEP1lJAOHvA2sJBGcSybRaNPb30iAkSSuEFM4sSw6KFbCpnZh qmbrdF6EQBJqH+RfZx/Tnv5bNS8uqebFAG5AWYZPWvEXKLQySWEIU52ysA6pjAh5 Ub1I5/NJAv4QHATdZ/UorLDIuo2fSLPXspcRNOz3jez+bYB8dfsp2No/rTgcLu7T 20/jYjXlufIIB8mxucrz2r7oNMwfQmxLG1IbQhu5tHgTT510fokjFNbbV4CIXhnJ z25BJqmXV3ZhGav9HVkV0/D82t60mAb22+c2OJznsT5bXXPT9PTrQMJSDH/pi2SH 7havItYP1QS/COYfwftLi082DYhNGq0Zh8BVYKxvNb+GlNcFqZSJmtwr6eoaGqcV g6pfj/J8zyFaAclQzMFQILZdiyBcr3TGiSBotkoS3RVTgFM7Rby7/86/C7F8jQxF squeopy9Ci3AbJ58hYbnIm5n97LIJ5ZETtBGb3wD4nqFcEnQxDXB9b0CAwEAAaAA MA0GCSqGSIb3DQEBCwUAA4ICAQACZfdhyM96uvCAA7CJbvsHdGiyt1H2l3PVZvVj ohry7FAyHbjiminfV10klD5xZMELuNP9e2M5zZ8tUJs3BJ9MHdEn74Vs35ey6VyR stkf2YNFncAoxDrPZPQBtvjisKCAVakOKQBD7JwmBuSqBQgaGB+XH8MkvtAFK25I jErBsycRBAGbljc2gH+E3oPqPrHmbejMHT3ispNt+FEv3BHAgcY2SXYAnfmA0USE mx1Ax7eQ9i435jnSBNut8k8IqBD4+n+j3T6Cq0kowcXbDUG/lek1a7XcNSLaE9/4 VMHwb4/CkJ2SBVdliYFv4ZWC/cyaqfimBhWxk9jM5bpmH3MYf9mUhVLFy5G4GyJk QKqkO+fEgy6BobtHfkOOaaGlt11aZzOchhkKBnWatw2Nhf0AHGicCIGxf8L+zrnA 2Ucpw3scI4zqsgjX1knz3fJUF6YwNoS0rl6xvUb+oD+560atoxfpVm+vMROfDODB +jh6FYk0Xp7snJPvTWVjC7rPBR3Kc0O0ecwO8gQxDIvpXE0XiGXgb9WHZPKGsQP/ m+aQVlIt2FsO5nXZeUaUdRl2ahwS2a5lX9u1j6M2zWbu+7QizSga1xSDmnkwDDBJ QNiXlCAt4aMS0m8G3usrAL6kJ4JP4ysBXZfSN9pXmp7u8anzKhoLoJ5iRknp6aNy o1KTfQ== -----END CERTIFICATE REQUEST-----</code></pre> <hr> <h2>SSL Certificate Example</h2> <pre class="p-3"><code>-----BEGIN CERTIFICATE----- MIIEMDCCAxigAwIBAgISAxEfPQmL5Y5AGTWciAnKUD4iMA0GCSqGSIb3DQEBCwUAMDIxCzAJBgNV BAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQDEwJSMzAeFw0yMzExMTMxMDM0 MTFaFw0yNDAyMTExMDM0MTBaMBIxEDAOBgNVBAMTB3NzbC5vcmcwWTATBgcqhkjOPQIBBggqhkjO PQMBBwNCAAR9VwyH+MERMHZfcgKYAiUP/99pMNExtYRsndMrBEj+Iv4zsIXisFYadAmEzecWIOYw qY41GrWgsn59sF/Ujkgwo4ICKTCCAiUwDgYDVR0PAQH/BAQDAgeAMB0GA1UdJQQWMBQGCCsGAQUF BwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSTuPE3rxjAwvLdSL8tpw4z9nCz QjAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYB BQUHMAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVu Y3Iub3JnLzAfBgNVHREEGDAWggdzc2wub3Jnggt3d3cuc3NsLm9yZzATBgNVHSAEDDAKMAgGBmeB DAECATCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2AEiw42vapkc0D+VqAvqdMOscUgHLVt0sgdm7 v6s52IRzAAABi8h15WoAAAQDAEcwRQIhAJk7wm5gWYdy4I2eb1fXIvZLJLXKTs+t2Xa1DeE8Uz5+ AiBIKyWzwB6Qhdjs/j+CyLkOQQoArI6xrjmYSBcqS/BHLQB2AO7N0GTV2xrOxVy3nbTNE6Iyh0Z8 vOzew1FIWUZxH7WbAAABi8h15W4AAAQDAEcwRQIhAOeFmU0yhK9ZxGL/bIkaoBd5LbPGLPxfNAkF bG1QoUjvAiBKEF0UoEBDfVKR3TBjs+yQ7OdBpljPWo2VRrkRx9xa0TARBggrBgEFBQcBGAQFMAMC AQUwDQYJKoZIhvcNAQELBQADggEBAFjG5twFbyCXq6glNESssbnH4gdjhy/SjApEKbLsuAUDp0rG /NLTIEP4RUGK7HtXkgn/t33T6vknXFj+wUlpsbDiI9L2Ku2fB0XZk8VPbmf9BqDC/b5UnJ7CKHMh 4DlY3mn4unP5M5ft5C7Q1iMOynl3oFRlMXVJfrQudIAd3dge28wM+/D90QqzLPSSoBb6YyCs/fjf KCN4ew9GowJs1qpwnY4Xbtsmc3Ff3V/KNnFSwi7LdZXIMZMGC5SoZUkngBOFgv4jLHXLnJBJSc8c 0LWPbIbvoNYeOi9RKuDgRk6jqk6TsITj8PlJNri+ayTnxLGGZoOEzNIVIERUCeonufU= -----END CERTIFICATE-----</code></pre> </div></div> </section> <footer class="footer-one footer-dark d-print-none"> <div class="footer-bottom"> <div class="container"> <div class="row"> <div class="col-md-6 d-flex justify-content-lg-start justify-content-center"> <p>Copyright 漏 2025 SSL.org an <a href="https://www.iban.com" >IBAN</a> Service </p> </div> <div class="col-md-6 d-flex justify-content-lg-end justify-content-center"> <ul> <li><a href="https://www.iban.com/contact">Contact</a></li> </ul> </div> </div> </div> </div> </footer> <link rel="preload" href="https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap" as="style" onload="this.onload=null;this.rel='stylesheet'" integrity="sha512-rw8neH+xzF44cggOhKPver8fHJIIVdPEuSuIG2V7mnc6pj0Rt1luRsTTNBBv9JX6xK218gejeHAZm3L42emfkg==" crossorigin="anonymous"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.min.js" integrity="sha384-0pUGZvbkm6XF6gxjEnlmuGrJXVbNuzT9qBBavbLwCsOGabYfZo0T0to5eqruptLy" crossorigin="anonymous"></script> <link rel="preload" href="/css/all.css" as="style" onload="this.onload=null;this.rel='stylesheet'"> <noscript><link rel="stylesheet" href="/css/all.css" /></noscript> <script> document.querySelector('.navbar-toggler').addEventListener('click', function () { const navbar = document.querySelector('.navbar-expand-lg.fixed-top'); 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