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:

  1. Convert the certificate from PEM to PKCS12, using the following command:
  2. Enter and repeat the export password.
  3. Create and then delete an empty truststore using the following commands:
  4. Import the CA into the truststore, using the following command:

How extract key and PEM from JKS?

3 Answers

  1. export the .crt: keytool -export -alias mydomain -file mydomain.der -keystore mycert.jks.
  2. convert the cert to PEM: openssl x509 -inform der -in mydomain.der -out certificate.pem.
  3. export the key: keytool -importkeystore -srckeystore mycert.jks -destkeystore keystore.p12 -deststoretype PKCS12.


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

  1. Convert JKS to the PKCS12 format:
  2. Exporting the private key from the PKCS12 format keystore:
  3. Exporting the Public Key:

How can I get private key from JKS keystore?

How to export private key and public key from keystore

  1. Export the private key from pkcs12 format keystore.
  2. openssl pkcs12 -in keystore_name.p12 -nodes -nocerts -out private.key.
  3. Export the public certificate from pkcs12 format keystore.
  4. 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.

  1. Export certificate and key separately. (right-click -> Export -> choose .
  2. Convert apns-cert. p12 into apns-cert.
  3. Convert apns-key.
  4. Remove the encryption from the key apns-key.pem file.
  5. Merge apns-cert.pem and apns-key-noenc.pem into apns.pem .
  6. Send apns.

How do I import a certificate into PEM format?

Importing the cacert. pem certificate into the client browser

  1. Select Tools > Options > Advanced.
  2. Select Certificates, then click the View Certificates button.
  3. Click Import and select the cacert.
  4. 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

  1. Check a stand-alone certificate keytool -printcert -v -file mydomain.crt.
  2. Check which certificates are in a Java keystore keytool -list -v -keystore keystore.jks.
  3. 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

  1. 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.
  2. Enter the keystore password when prompted: Enter keystore password:
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