Kai Kramer

Kai Kramer maintains KeyStore Explorer, a lightweight open-source utility that rewraps Java’s command-line keytool and jarsigner chores inside a friendly graphical workspace. Security engineers, Android developers, and DevOps teams launch the program when they need to create or import RSA, DSA, or EC key pairs, build self-signed certificates, sign JAR, APK, or WebStart bundles, inspect PEM, PKCS #12, JKS, or BKS keystores, change alias passwords, or convert between formats without memorizing dozens of cryptic switches. Drag-and-drop navigation exposes certificate chains, validity windows, fingerprint algorithms, and extensions in a spreadsheet-style grid, while pop-up wizards automate CSR generation, CA replies, and timestamping through RFC 3161 servers. Context menus let users append intermediate certificates, append CRL distribution points, or switch to stronger signature algorithms in a few clicks, and the built-in integrity checker flags expired, soon-to-expired, or weak (< 2048-bit) keys before they reach production. Because the tool is a pure Java application, it launches identically on Windows, macOS, and Linux workstations that already ship a JRE, making it a portable companion for ad-hoc signing tasks on build servers or locked-down corporate laptops. KeyStore Explorer is offered free of charge on get.nero.com, where downloads are delivered through trusted Windows package sources such as winget, always install the latest release, and can be queued together with other applications for unattended batch installation.