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    • File extension .JAR
    • Dateiendung .JAR
    • .JARファイルの拡張子
    • Extension de fichier .JAR
    • Extension de archivo .JAR
    • Estensione del file .JAR

How to open file with .JAR extension?

Don’t you know what program to use to convert the .JAR file? Do you want to convert a .JAR file into a different format? Below you will find helpful information.

File extension .JAR

Full Name Developer Category
Compressed Archive Format Package For Java Classes And Data Format Oracle Executable Files
.JAR

The JAR (Java Archive) file extension is associated with the Java Runtime Environment (JRE). It is a platform independent file format used to combine multiple class files and associated metadata time into one file for distribution. JAR files are not dependent on any specific hardware or operating system, and can be used in any Java environment. It works like a ZIP file, by compressing more than one files into a single unit for easier management and storage.

Technical Details

A JAR file is based on the popular ZIP format, and can be created with applications like WinZip, WinRAR, or 7-zip. It is slightly different though, as it contains the specific data needed by the Java Runtime. The manifest file within a JAR contains attribute/value pairs which contain certain settings that can influence the behavior of a Java application when it runs. Typically, the manifest will include the version of Java used to create the JAR and its name, along with other information.

Similar File Extensions

JAR, WAR, EAR, SAR, HAR, TAR, and zip.

Programs for WINDOWS system
  • Java Runtime Environment Java Runtime Environment
  • WinZip WinZip
  • Web browser Web browser
  • Eclipse Eclipse
  • 7-zip 7-zip
  • JAR/JAD to APK Online Converter JAR/JAD to APK Online Converter
  • ALZip ALZip
  • IZArc IZArc
  • WinRAR WinRAR
  • ZipZag ZipZag
Programs for MAC system
  • WinZip WinZip
  • Java Runtime Environment Java Runtime Environment
  • WinZip Mac Edition WinZip Mac Edition
Programs for LINUX system
  • Java Runtime Environment Java Runtime Environment
  • Web browser Web browser

After installing the required software, the operating system will usually automatically associate an unknown file type (in this case .JAR) with the new application. If this does not happen, we can help the system a bit by selecting the software for it, which it should always use to open files with the .JAR extension.

When choosing the software we can select the system to use this software every time.

Remember!
Using it for the first time it is good to check whether the .JAR file opened in the application can be read by us and opens in a way that allows us to use it. If everything is in order, select this option the next time you open a file with the .JAR extension. However, if the file has not opened correctly, we have to look for a different software, with which we can open files with the .JAR extension. Select a different software from our list and install it on your computer. After the software is installed, repeat inspection openings of a .JAR file. Sometimes you have to repeat the operation several times.

Other instructions

If none of the programs listed by us to work with the .JAR file has not meet your expectations, you can try searching other websites. But remember to avoid downloading programs "that can open any file". These applications not only have very limited functionality, but may also expose you to expense tens of dollars when purchasing a license.

In the vast majority of cases you will find the program dedicated to support the .JAR file, or any other file format. In addition, there is a chance that it will be a free program, and its functionality (concerning the .JAR file) will be extended to the maximum.

It is also good to check

  • if the .JAR file has no errors
  • or if it has been copied (or downloaded by the browser) thoroughly
In such a case it is best to try to download the .JAR file again from the same source on the Internet (or look for another source). If you received the file from another person, ask this person to re-send it. However, if the file was copied from some media, repeat the copying operation.

Author’s guidelines

img
Mr B. Adam

Author of the guidelines / Founder of FileExtension.info
New technologies enthusiast, helping to solve problems with the files.

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Similar file extensions

  • File extension .JARDESC
  • File extension .JARVIS
  • File extension .JAX
  • File extension .JAR
  • File extension .JA

Conversion of a JAR file

  • JAR to ZIP
  • JAR to APK
  • JAR to JAD
  • JAR to CAB
  • JAR to CAB
  • JAR to CLASS
  • JAR to CLASS
  • JAR to DEB
  • JAR to EXE
  • JAR to ISO
  • JAR to JS
  • JAR to SIS
  • JAR to SISX
  • JAR to JAVA
  • JAR to RPM
  • JAR to TAR
  • JAR to IPA
  • JAR to IOS
  • JAR to AAR
  • JAR to RAR
  • JAR to XAP
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