System Requirements

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Hardware / Operating System

Any computer that can run a Standard Java Runtime Environment can run Jacksum. See also the system requirements for the JRE.

Java Runtime Environment

In order to run Jacksum, you need a Java Runtime Environment (JRE). You can get it for free for your platform/operating system. It is required to have at least the JRE version 1.3.1. However, it is recommended to install JRE 8 or later. For Windows, Linux, Mac OS X and Solaris please click on the icon below. For other operating systems, please ask your operating system vendor for a suitable JRE.

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Integration in the Filebrowser/Filemanager

The integration of Jacksum is supported by an installer for the following file browsers/file managers: Microsoft's Windows Explorer, Apple's Finder (Mac OS X 10.2+), and on  Linux/Unix those are Dolphin, Konqueror, Krusader, Nautilus, ROX-Filer, Thunar, Xfe and many more.

Disk space

In addition to the disk space requirement by the JRE, it is required to have not more than 1 MB diskspace for Jacksum.


You should have at least 128 MB physical memory installed, see also the system requirements for the JRE.


The Team

The long list of contributors can always be found in the latest download package and in the copyright section. The founder and lead for this project is Johann N. Löfflmann from Germany. Since 2002 he has been working with very talented people all around the world in order to improve Jacksum further.

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