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	Very Common Common Average Uncommon Rare 5.0 (1442 Votes) Thank you for voting!Already voted, thanks!
Mime Type	application/java-archive
Default Program	Oracle Java Runtime Environment
Category	Common File Types
Format	Zip
Updated	12/1/2024

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.

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.

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.

Open JAR File on Windows

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

Open JAR File on Mac OS

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

Open JAR file on Linux

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

Open JAR file on Web

	Software	License	Developer

Open JAR file on iOS

	Software	License	Developer

Open 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.

About JAR - Java Archive File

Updated 12/1/2024

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