Open JAR file

The most common choise: Compressed Java archive

How to open Compressed Java archive .jar files

jar file icon Have you had trouble opening the jar file on your computer? What are jar files? We explain what they are and recommend software that we know will open them.

What is jar file?

JAR files are Java archives typically used for distributing or installing Java applications, but also for storing other content.

Compressed Java archive description

JAR (Java Archive) file is a package file format typically used to aggregate many Java class files and associated metadata and resources (text, images, etc.) into one file for distribution.

JAR archive is is used to store compiled Java classes and associated metadata that can constitute a program. They are essential for packaging, downloading, and using Java applets and applications.

Suggested software to open jar file


Software set used to develop and run applications written in Java source code

Java Development Kit (JDK)

A software used to develop Java applications and applets


A multi-language software development environment

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

We can help you to open your file

Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

Only original software

Every software listed in our database is verified and ve provide link to the developer or to the software own website, which should hopefuly be enough for you to download the most recent version of the program.