Paste a PEM-encoded Certificate or Certificate chain into the input box and click Show Cert.

Encoded Certificates look like: -----BEGIN CERTIFICATE----- MIID8TCCAtmgAwIBAgIJAMq1FspnfG8FMA0GCSqGSIb3DQEBCwUAMIGOMQswCQYD VQQGEwJVUzENMAsGA1UECAwET2hpbzETMBEGA1UEBwwKQ2luY2lubmF0aTEfMB0G A1UECgwWeW91ciBjb21wYW55IG5hbWUgaGVyZTEXMBUGA1UEAwwOeW91cmRvbWFp bi5jb20xITAfBgkqhkiG9w0BCQEWEnlvdUB5b3VyZG9tYWluLmNvbTAeFw0xNzAz MTExMzQxMDJaFw0xNzA0MTAxMzQxMDJaMIGOMQswCQYDVQQGEwJVUzENMAsGA1UE CAwET2hpbzETMBEGA1UEBwwKQ2luY2lubmF0aTEfMB0GA1UECgwWeW91ciBjb21w YW55IG5hbWUgaGVyZTEXMBUGA1UEAwwOeW91cmRvbWFpbi5jb20xITAfBgkqhkiG 9w0BCQEWEnlvdUB5b3VyZG9tYWluLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEP ADCCAQoCggEBAMfgSSZy4YuWACrWe/P6XLexCuSmgC0U8WRoTPQH297Ce2LhBhva Loq9LGLSg0unrKp3fR+Spzn/yRUwVKgOGZEIHN1x6lS2sY2JpPbkBpn7CYbwD8JI ijmLR8O8pj8xqVHNKv+R9PRDYb5Q3Y7tCdQhbcGZ7a8hvH3Ltqg4Qw3QMZAHXWRR NuZ0/GvT/GGmFy6PQv+VjYL8A6rd8HZdocZ3cvG9y9sJmeTv4/xh8QzNF47/dSEm o5EA0th/LlHzQShcBpcVL/ou+GijhjqDzQCj5Jrr/TD8O7s0ZMdvRvubskdAff/v v+ASRYYGod+3ICrEoz5lPpmbamIWzqfMr8cCAwEAAaNQME4wHQYDVR0OBBYEFLzU kTinR+iwJKW/gFjayuR00rx+MB8GA1UdIwQYMBaAFLzUkTinR+iwJKW/gFjayuR0 0rx+MAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQELBQADggEBAH3G1zeL8benyOr8 +rWnynq6+k0JKq5n7gxg/Rn1G7ox/YVOPuBm44Zhb9iEOCSvER2GcNn+7WhTJTYP G3ZuvLmyUNkqpK9Mfv1451HvVAXzMrpa3UUbk7yvZBQyaqu0B04nR+2pFcZl8usp 5Au+jsJZ3SzstI09VwEv12mSsevBicMMchy3z5BKEuAX01fQouuDnrWRnYW1xg7X JmS5CtYwGL+NYkz913C2UnogvlJQrFsr5S+FLjhlBJSo356V0vrPKqwPBveTuZL2 n6IJ2CZoq1Z7G7a49H79sO693KKy4KK5BTXavRXk6BfUgc/nRgFH7ZQbTAftrcMZ 5u0HHaI= -----END CERTIFICATE-----

ShowCert displays the contents of the Certificate you entered, for example: Certificate: Data: Version: 3 (0x2) Serial Number: 14606606025021484805 (0xcab516ca677c6f05) Signature Algorithm: sha256WithRSAEncryption Issuer: countryName = US stateOrProvinceName = Ohio localityName = Cincinnati organizationName = your company name here commonName = yourdomain.com emailAddress = you@yourdomain.com Validity Not Before: Mar 11 13:41:02 2017 GMT Not After : Apr 10 13:41:02 2017 GMT Subject: countryName = US stateOrProvinceName = Ohio localityName = Cincinnati organizationName = your company name here commonName = yourdomain.com emailAddress = you@yourdomain.com