JMkvpropedit v1.5.2 A batch GUI for mkvpropedit (part of MKVToolNix) written in Java. It should work on Windows, Linux and other *nixes (not tested). Requires Java 8 or newer. Source and downloads at: https://github.com/BrunoReX/jmkvpropedit Note: Be sure to enable "JavaSoft (Oracle) registry keys" if you install Java on Windows from adoptium.net or similar.