SSL Converter

Change SSL certificate format in seconds

If the SSL Certificate file provided by your Certificate Authority is not compatible with your web server, you have no option but to convert its format. So how do you do it? OpenSSL command is the answer. All you need to do is run these OpenSSL commands on your computer and you'll have your certificate in your desired format.

OPENSSL Commands to Convert PEM

Convert PEM to DER
openssl x509 -outform der -in certificate.pem -out certificate.der
Convert PEM to P7B
openssl crl2pkcs7 -nocrl -certfile certificate.cer -out certificate.p7b -certfile CACert.cer
Convert PEM to PFX
openssl pkcs12 -export -out certificate.pfx -inkey privateKey.key -in certificate.crt -certfile CACert.crt

OpenSSL Commands to Convert DER

Convert DER to PEM
openssl x509 -inform der -in certificate.cer -out certificate.pem

OpenSSL Commands to Convert P7B

Convert P7B to PEM
openssl pkcs7 -print_certs -in certificate.p7b -out certificate.cer
Convert P7B to PFX
openssl pkcs7 -print_certs -in certificate.p7b -out certificate.cer openssl pkcs12 -export -in certificate.cer -inkey privateKey.key -out certificate.pfx -certfile CACert.cer

OpenSSL Commands to Convert PFX

Convert PFX to PEM
openssl pkcs12 -in certificate.pfx -out certificate.cer -nodes

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