JKS PEM
File conversion

Convert JKS to PEM

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Is it possible to convert JKS to PEM?
Yes - JKS converts to PEM.

Extract certificates/keys to PEM by first converting JKS -> PKCS#12 with keytool, then using OpenSSL ('openssl pkcs12 -in out.p12 -out cert.pem'). KeyStore Explorer can also export individual entries as PEM directly.

Also to PEM: REQ · PPK · PFX

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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How to convert JKS to PEM

Converting a .JKS file to .PEM lets you open the content in software that prefers the .PEM format, though some details may change compared with the original. We are still putting together the list of programs that handle .JKS files.

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

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