Portable Java - run Java from a flash drive

Portable Java on USB. An Official Java Portable version has been created and released by Portableapps. By installing Java on your USB flash drive, you can bring Java with you to run your .JAR files from the Portable Java installation instead of depending on a local JRE install.

Portable Java

How we installed "Portable Apps Platform",  "Java Portable", and "Java Portable Launcher". Upon completion, you should be able to run Java from a USB stick via the stand alone launcher. Simply perform the following steps in order, using your pen drive as the destination:

  1. Download Portable Apps and install to your USB drive (Platform Only).
  2. Download Java Portable and proceed to install it to your USB.
  3. Download Java Portable Launcher and install it onto the device as well.
  4. Run StartPortableApps.exe from the USB flash drive.
    Java Portable
  5. Click Java Portable Launcher and select a .JAR file to open.
    Select a Jar file to Open
  6. Then Select File > Load (filename) the file you want to run.
    Select File - Load Filename

Enjoy running your Java .JAR files portably from a USB flash drive!

Portable Java Specifications

  • Extracted Size: 108MB before adding any Java Programs
  • Software Authors Website: https://portableapps.com
  • Developer: John Haller
  • License: Open Source
  • Supported OS: Windows