JARfile extension

Java Archive

Have trouble opening the .jar extension? Don't panic! This page explains jar files and suggests programs you may use to open jar files. You can download these programs through this page!

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What is JAR file?

Файл JAR is the Java archive used by Java Runtime Environment (JRE) to run applications that are written in Java. The archive is packed with zip compression and includes class files (CLASS), as well as can store application resources and a manifest file (MANIFEST.MF). JAR files can also be class libraries, part of applications, or standalone programs. Special software is used for creating Java archives.

More information

You can view the contents of the Java Archive using various archivers that support ZIP compression technology. JAR format often contains various games, programs and applications for mobile devices, it is also possible to open the file on the user's computer but this requires a Java emulator. It is worth noting that it is also possible to convert JAR format to EXE file extension using special utilities. A .jar file can be found along with a JAD file with an identical name, this file format will store all the necessary information which is used when installing an application.


How to open JAR file?

Here are some universal methods of opening a file. Please, use this list of solutions.

Method 1: Correctly fix file association error

By following these steps, the user will be able to fix the jar extension association problem in an instant automatically:

Download Solution

Step 1: Click the "Download Solution" button to download the automatic tool from Appsitory.

Step 2: Now click "Start Scan" to find out all potential problems.

Step 3: Review the resulting scan and click the "Fix Items" option.

Method 2: Download apps that open the jar file

Here is a list of the presented programs that you should use to open/convert the jar file. You can choose the right program for your OS and click on it to start the download. You can also visit the developer's website.

Apps that open JAR files

Method 3: Use Universal File Viewer

The recommended use of Universal File Viewer, a tool for opening over 250 file extensions, complements the list of programs above. This utility is capable of opening your jar file. Download Universal File Viewer to your OS quickly and securely.