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Basic information about JAR file

When there is a problem with opening files with the file extension JAR（*.JAR or *.jar）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the JAR file yourself.

There are 1 file types using the JAR file extension in our database. In the further part of this page, you will find detail information about all the JAR file with their brief description and a list of programs that support JAR file sorted by operating systems. The table below provides useful information about the JAR file extension. It answers questions such as:

What is the JAR file?
How to open a JAR file?
What programs do I need to open a JAR file?
What programs help to create and edit a JAR file?
How to convert JAR files to another file format?
How to convert another files to JAR file format?

1.Detail information about JAR file extension: Java Archive File

Software programs that will open, edit or convert JAR files
File type	Java Archive File	Category	Executable Files
Developer	Oracle	File format	Zip
Description	JAR file is a Java Archive File developed by Oracle. A JAR file is a Java archive (JAR) file used by the Java Runtime Environment (JRE), a framework used for executing Java programs. JAR files may serve as program libraries or as standalone programs that run if the JRE is installed on the computer or mobile device.
Windows	File Viewer Plus Oracle Java Runtime Environment Corel WinZip 21 7-Zip WinRAR 5 Any Web browser ALZip Eclipse IZArc JAR/JAD to APK Online Converter ZipZag
macOS	Corel WinZip Mac 6 Oracle Java Runtime Environment Apple Jar Launcher Any Web browser WinZip Mac Edition
Linux	Oracle Java Runtime Environment Any Web browser
Android	File Viewer for Android

How to convert JAR files to another file format?

There are 12 records in our database eligible for JAR files to another file format conversion. If you want to achieve JAR to another files conversion, you may use the option.

JAR to AAR	JAR to APK	JAR to CAB	JAR to DEB
JAR to EXE	JAR to IPA	JAR to ISO	JAR to JAD
JAR to JAVA	JAR to SIS	JAR to XAP	JAR to ZIP

How to convert another files to JAR file format?

There are 15 records in our database eligible for another files to JAR file format conversion. If you want to achieve another files to JAR conversion, you may use the option.

APK to JAR	IOS to JAR	EXE to JAR	JAD to JAR
ZIP to JAR	TAR to JAR	CAB to JAR	DEB to JAR
SIS to JAR	IPA to JAR	SISX to JAR	XAP to JAR
CLASS to JAR	RPM to JAR	JS to JAR

Can't open a JAR file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.JAR”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the JAR extension without any issue.

Where I can download the application that support JAR file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.

How to change file associations?

Right-click a file with the extension whose association you want to change, and then click "Open With".
In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
Select the ”Always use the selected program to open this kind of file” check box.

Can I change the extension of JAR files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.

What else may cause problems width open a JAR file?

The reasons for the lack of the ability to open a JAR file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a JAR file. If there is still something wrong, you might want to check:

Whether the JAR file is damaged.
Whether the JAR file is incorrectly linked in the registry entries.
Whether the JAR file extension has been accidentally removed from the Windows registry.
Whether the installation of an application that supports the JAR file format is incompletely.
Whether the JAR file is infected.
Whether the drivers of the equipment used for opening a JAR file are up to date.
Whether your computer has enough hardware resources to open a JAR file.

If the JAR file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.