How do I Open a JNLP File online in Windows and MAC with a free .jnlp opener

  • Type: System Protocol
  • Description: Java Web Start Java Networking Launching Protocol
  • Extension: .JNLP
  • Format: Binary
  • Developer: Java


Did you receive an attachment with the .JNLP extension? Here you will learn how to open, create, view, edit and convert a .JNLP file. We will see how to instructions and recommend programs readers, viewers, editors and software related to this format.


What is a JNLP File

JNLP stands for Java Networking Launching Protocol and is a special file which is in an XML format.

This is used for launching as well as managing java applications of programs from the web browser itself.

These files are used specifically for stand alone applications and not for Java applets.

They are used to run or execute these applications over a network from within the browser using the Java Web Start.

How to open JNLP Files


You can do it following these steps:

  1. Search for your .JNLP files
  2. When you find it, Tap on it (mobile device) or double click on it (computer).
  3. Select the program from the drop down list.
  4. Confirm your selection.


Category: Data Files.
File format: Proprietary.
Open with Windows: Java Web Start or a supporting Web browser
Open with Linux: Java Web Start or a supporting Web browser

How to convert JNLP files

It is not possible to convert this format to another type. We don’t have any information about an online converter. Also, there are not specific programs in our database to convert this format.


It is safe to delete it?

No, you can’t delete it. It is a system file There is not any risk for your computer or mobile device.


How to create it

You can create i tusing java software.


If you have more information about this JNLP extension please contact with us through the contact page. Thanks in advance for all your help.