Filemagic is the best tool for opening and viewing JNLP files, providing users with a easy way to open this often tricky file format.
JNLP, which stands for Java Network Launch Protocol, is a file type used to run Java applications online or over a network. https://www.filemagic.com/en/web-files/jnlp-file-extension/jnlp-files-what-to-do-if-you-don-t-have-java-web-start-software/