Can we convert JKS to PEM?
We’ve successfully converted an entire JKS into PEM format using keytool, openssl, and the intermediary stage of the PKCS#12 format. We’ve also covered converting a single public key certificate using keytool alone.
How do I convert a JKS file to PEM?

To convert the PEM-format keys to Java KeyStores:
- Convert the certificate from PEM to PKCS12, using the following command:
- Enter and repeat the export password.
- Create and then delete an empty truststore using the following commands:
- Import the CA into the truststore, using the following command:
How extract key and PEM from JKS?
3 Answers
- export the .crt: keytool -export -alias mydomain -file mydomain.der -keystore mycert.jks.
- convert the cert to PEM: openssl x509 -inform der -in mydomain.der -out certificate.pem.
- export the key: keytool -importkeystore -srckeystore mycert.jks -destkeystore keystore.p12 -deststoretype PKCS12.
Is PEM a JKS?
Despite JKS, PKCS#12 is a standardized and language-neutral format for storing encrypted data. The PKCS#12 format is also known as PKCS12 or PFX. PEM (Privacy Enhanced Mail) is also a certificate container format. The PEM files are encoded in Base64.

How do I export a certificate for that key to PEM format?
You can export the certificate of your new app signature from . jks file in two way: Via CMD/PowerShell or Terminal : keytool -export -rfc -alias upload -file upload_certificate. pem -keystore keystore.
How get key from JKS?
Extracting the Private Key With OpenSSL and Keytool
- Convert JKS to the PKCS12 format:
- Exporting the private key from the PKCS12 format keystore:
- Exporting the Public Key:
How can I get private key from JKS keystore?
How to export private key and public key from keystore
- Export the private key from pkcs12 format keystore.
- openssl pkcs12 -in keystore_name.p12 -nodes -nocerts -out private.key.
- Export the public certificate from pkcs12 format keystore.
- openssl pkcs12 -in keystore_name.p12 -nokeys -out public-cert-file.
How do I create a PEM file from a .p12 file?
How to convert a . P12 certificate into a . PEM Certificate.
- Export certificate and key separately. (right-click -> Export -> choose .
- Convert apns-cert. p12 into apns-cert.
- Convert apns-key.
- Remove the encryption from the key apns-key.pem file.
- Merge apns-cert.pem and apns-key-noenc.pem into apns.pem .
- Send apns.
How do I import a certificate into PEM format?
Importing the cacert. pem certificate into the client browser
- Select Tools > Options > Advanced.
- Select Certificates, then click the View Certificates button.
- Click Import and select the cacert.
- When a dialog is displayed, ensure that the following option is checked: Trust this CA to identify websites.
How do I read a JKS file in Keytool?
Java Keytool Commands for Checking
- Check a stand-alone certificate keytool -printcert -v -file mydomain.crt.
- Check which certificates are in a Java keystore keytool -list -v -keystore keystore.jks.
- Check a particular keystore entry using an alias keytool -list -v -keystore keystore.jks -alias mydomain.
Is JKS same as keystore?
keystore and . jks are just file extensions: it’s up to you to name your files sensibly. Some application use a keystore file stored in $HOME/. keystore: it’s usually implied that it’s a JKS file, since JKS is the default keystore type in the Sun/Oracle Java security provider.
How get key from jks?
How do I read a jks file in Keytool?
How do I export a certificate from keystore?
Procedure 9.2. Extract a Self-signed Certificate from the Keystore
- Run the keytool -export -alias ALIAS -keystore server.keystore -rfc -file public.cert command: keytool -export -alias teiid -keystore server.keystore -rfc -file public.cert.
- Enter the keystore password when prompted: Enter keystore password: