Home : File Types : JNLP File

.JNLP File Extension

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File TypeJava Web Start File

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CategoryWeb Files


This file is saved in an XML format. You can view the XML structure and contents of the file in a text editor.


File created in the Java Network Launching Protocol (JNLP) format; used for launching and managing Java programs over a network or on the Web (e.g., an applet in a Web browser); can be double-clicked to run the program if the Java Runtime Environment (JRE) is installed.

More Information

JNLP files contain information such as the remote address for downloading the Java program (.JAR file) and the initial class to run. They are saved in an XML format and can be viewed or edited with a text editor.

NOTE: The JRE includes Java Web Start technology, which opens JNLP files and runs the specified instructions.

Program(s) that open .JNLP files
Microsoft Windows LogoWindows
Oracle Java Web Start
Any text editor
Mac OS X LogoMac
Oracle Java Web Start
Any text editor
Linux LogoLinux
Oracle Java Web Start
Any text editor
Updated 3/25/2013