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KeyStore Explorer is a free GUI replacement for the Java command-line utilities keytool and jarsigner.
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KeyStore Explorer

Build Status Release Downloads License

KeyStore Explorer is a free GUI replacement for the Java command-line utilities keytool and jarsigner.

Official website:



  • Create, load, save and convert between various KeyStore types: JKS, JCEKS, PKCS#12, BKS (V1 and V2) and UBER
  • Change KeyStore and KeyStore entry passwords
  • Delete or rename KeyStore entries
  • Cut/copy/paste KeyStore entries
  • Append certificates to key pair certificate chains
  • Generate RSA, ECC and DSA key pairs with self-signed X.509 certificates
  • Apply X.509 certificate extensions to generated key pairs and Certificate Signing Requests (CSRs)
  • View X.509 Certificate, CRL and CRL entry X.509 V3 extensions
  • Import and export keys and certificates in many formats: PKCS#12, PKCS#8, PKCS#7, DER/PEM X.509 certificate files, Microsoft PVK, SPC, PKI Path, OpenSSL
  • Generate, view and sign CSRs in PKCS #10 and SPKAC formats
  • Sign JAR files
  • Configure a CA Certs KeyStore for use with KeyStore operations


To do a clean build, issue the following command:

$ ./gradlew clean build

This runs the unit tests and compiles a new kse.jar into build/libs. You can then update an existing KSE installation by replacing its kse.jar with this one.

The build.gradle file contains further instructions for building the platform specific distribution packages. In a nutshell:

For the ZIP package:

$ ./gradlew zip 

For the Windows installer:

$ ./gradlew nsis

For the MacOS application:

$ ./gradlew appbundler


We encourage you to contribute to KSE! Please check out the Contributing to KSE guide for guidelines about how to proceed.


GNU General Public License v3.0

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