Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .jnlp

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .jnlp file?
  • Which program can create the .jnlp file?
  • Where can you find a description of the .jnlp format?
  • What can convert .jnlp files to a different format?
  • Which MIME-type is associated with the .jnlp extension?
Java Network Launch Protocol Descriptor .jnlp file icon

Java Network Launch Protocol Descriptor

JNLP file is a Java Network Launch Protocol Descriptor. In computing, Java Web Start allows users to start application software for the Java Platform directly from the Internet using a web browser. The JNLP protocol, defined with an XML schema, specifies how to launch Java Web Start applications.
Category: Application files
Program name: javaws.exe
Mime-type: application/x-java-jnlp-file
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Java Class
Java Archive
Java Source Code
Java Properties File
Pack200 Archive
Retek Merchandising System Settings
Java JRE Security Settings Data

Other types of files may also use the .jnlp file extension. If you have helpful information about .jnlp extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Java Network Launch Protocol Descriptor
Jumplist Extender Data
WinDev Log
Ingres Journal Data
NirLauncher Package

The .jnlp filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

jlp (1), jnl (1), nlp (1)

Can't open a .jnlp file?

If you want to open a .jnlp file on your computer, you just need to have the appropriate program installed. If the .jnlp association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.jnlp

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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