I have a .cer certificate and I would like to convert it to the .pem format.

If I remember correctly, I used to be able to convert them by exporting the .cer in Base64, then renaming the file to .pem .

How do I convert a .cer certificate to .pem ?

Best Answer

Convert a DER file (.crt .cer .der) to PEM

openssl x509 -inform der -in certificate.cer -out certificate.pem