@fidm/x509
Pure JavaScript X509 certificate tools for Node.js
https-pem
Self-signed PEM key and certificate ready for use in your HTTPS server
@metcoder95/https-pem
Self-signed PEM key and certificate ready for use in your HTTPS server (fork from https-pem)
p12-pem
Extracts the certificate and the private key from a p12/ pkcs12 file