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JAR File Extension

JAR file extension is created by Oracle, also known as Java Archive File. JAR has been classified as Common File Types. This file is saved during a zipped format. you will view the contents by unzipping it with a file decompression program. You can open JAR files in Oracle Java Runtime Environment program.

Java Archive File Type

Java Archive File Type
Extension .jar
Developer Oracle
Popularity 5.0 (1409 Votes)
Mime Type application/java-archive
Default Program Oracle Java Runtime Environment
Category Common File Types
Format Zip
Updated 4/1/2024

What is a JAR File Type?

JAR files may contain .CLASS files, application resources and optional manifest (META-INF / MANIFEST.MF) files. They are compressed by ZIP and can be signed numerically at the apos; help from the apos; tool jars included in the Java SDK. JAR files can be created with jar tool, and can be accessed using Java 'sava.util.jar API.

JAR files are used for some mobile games supported by Java- compatible mobile devices. It is also used by Mozilla Firefox, Thunderbird, SeaMonkey and Sunbird to store themes and add-ons.

Java Runtime is also known as the Java Virtual Machine (JVM) and is a Java Virtual Machine. The original developers of JRE / JVM, Sun Microsystems, were acquired by Oracle.

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Free online JAR Tools & Apps

We have also the free online .JAR (Java Archive File) file extension apps that can allow to view, edit, convert from to JAR, merge, split and compare the JAR files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.

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JAR Files Common Issues

There are few common issues with the Java Archive File .JAR File Extensions while opening the .JAR files on Windows and MacOs, we have solution to those issues such as:

Can't Open JAR Files?

  1. You must have supported software programs installed for Java Archive File on your system such as Oracle Java Runtime Environment.
  2. Associate default Oracle Java Runtime Environment Oracle Java Runtime Environment program for *.jar (Java Archive File) files.

    Associate JAR Default Program on Windows
    1. Right-click a *.JAR (e.g example.jar) file and click Open With.
    2. In the Open with dialog box, click Oracle Java Runtime Environment Oracle Java Runtime Environment program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .jar files.

    Associate JAR Default Program on MacOs
    1. Click *.JAR (e.g example.jar) file and click information -> Open With.
    2. In the programs list, click Oracle Java Runtime Environment Oracle Java Runtime Environment program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .Oracle Java Runtime Environment extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related JAR File Extensions

JAR default file extension is .JAR and other similer related extensions are:

All Platform Software Programs for JAR File Extension

List of all softwares that can open the JAR files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open JAR File on Windows

Software License Developer
ESTsoft ALZip image. ESTsoft ALZip 8 for Windows Freeware ESTsoft
Adobe ColdFusion Builder image. Adobe ColdFusion Builder 2018 for Windows Commercial Adobe
Eclipse Foundation Eclipse image. Eclipse Foundation Eclipse 4 for Windows Open Source Eclipse Foundation
Oracle Java Virtual Machine image. Oracle Java Virtual Machine 8 for Windows Open Source Oracle
Jens Monig Snap! image. Jens Monig Snap! 3 for Windows Open Source Jens Monig
RARLAB WinRAR image. RARLAB WinRAR 5 for Windows Shareware RARLAB

MacOs logo image - FileProInfo.comOpen JAR File on Mac OS

Software License Developer
Adobe ColdFusion Builder image. Adobe ColdFusion Builder 2018 for MacOs Commercial Adobe
Eclipse Foundation Eclipse image. Eclipse Foundation Eclipse 4 for MacOs Open Source Eclipse Foundation
Oracle Java Virtual Machine image. Oracle Java Virtual Machine 8 for MacOs Open Source Oracle
Jens Monig Snap! image. Jens Monig Snap! 3 for MacOs Open Source Jens Monig
Corel WinZip Mac image. Corel WinZip Mac 8 for MacOs Commercial Corel

Linux logo image - FileProInfo.comOpen JAR file on Linux

Software License Developer
Eclipse Foundation Eclipse image. Eclipse Foundation Eclipse 4 for Linux Open Source Eclipse Foundation
Oracle Java Virtual Machine image. Oracle Java Virtual Machine 8 for Linux Open Source Oracle
Oracle Java Runtime Environment image. Oracle Java Runtime Environment 000 for Linux Free Oracle Java Runtime Environment
Jens Monig Snap! image. Jens Monig Snap! 3 for Linux Open Source Jens Monig

Website logo image - FileProInfo.comOpen JAR file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen JAR file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen JAR file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

JAR file extension icon image.About JAR - Java Archive File

FileProInfo is to help you understand about the Java Archive File with *.JAR suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for JAR. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for JAR, please let us know.

Updated 4/1/2024


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