Open JAR file

JAR files: what are they and how do I open them?

jar file icon Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

Compressed Java archive

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

Further details:

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.

Open file with:

Java icon


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

Java Development Kit (JDK) icon

Java Development Kit (JDK)

A software used to develop Java applications and applets

Eclipse icon


A multi-language software development environment


Small program for fixing broken JAR associations


Java JAR archives packaging tool

Apache Tomcat icon

Apache Tomcat

Open source software implementation of the Java Servlet and JavaServer Pages technologies

Eclipse IDE for Java Developers icon

Eclipse IDE for Java Developers

IDE for making applications based on Java

JAR/JAD to APK Online Converter

Online JAR to APK web service

WinRAR icon


One of the oldest and most popular shareware file archiver and data compression utility

IZArc icon


A freeware archive utility that supports many archive formats

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.jar" has the file extension "jar". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.