You've probably encountered archive files before. A mutual type of annal file is a ZIP file. Another type of archive file you lot might come beyond is a JAR file. We'll take a look at what this file is and the all-time apps to open up JAR files on Windows.

Annal files like Nada files and JAR files provide a fashion to packet multiple files as a single file, decreasing the corporeality of space needed to store them. JAR stands for Java Archive. It'southward a packet file format used to combine multiple Java class files and their associated resources like text and images into a single file.

Indeed, JAR files were originally developed and then end users could download Java applets and their components in a single HTTP request.

If you effort to open a JAR file without having a compatible programme installed that can open that file type, you might see an error maxim, "Unable to access JAR file." In that example, try one of the apps below to open a JAR file on your Windows computer.

JAR files can be opened in two means:

  1. Open and scan the file contents
  2. Run the JAR file in Java (execute)

We will take a look at apps to aid you lot scan and examine the contents of JAR files.

Apps to Open up JAR Files on Windows

There are several programs you tin can use to browse and view JAR file contents on a Windows computer. We'll run through a few of them. You lot might even find you already have an app capable of opening JAR files on your figurer.

1. WinRar

WinRar is shareware that you tin download and run for free, but it volition persistently remind you to buy a license. In any case, download WinRar, install it, and utilise it to open a JAR file. Once you've opened the JAR file with WinRar, you can excerpt its contents.

ii. seven-Nothing

Similar to WinRar, 7-Nil is an archive viewer and extractor that you tin use to open up JAR files. Unlike WinRar, vii-Zip is costless and open source. Download information technology for Windows here. One time y'all've installed it, you lot can open a JAR file, extract it, and view the files the archive contains. Only right-click on the JAR file, choose Open With and select seven-Zip File Managing director.

If you don't see the pick to open the file with 7-Zip File Manager, select the Cull another app option, and choose vii-Goose egg File Manager from the listing:

Select the Always use this app to open .jar files option to brand 7-Zip the default JAR file viewer.

Apps to Open up a JAR File Online

When all else fails, you can ever use an online tool to open a JAR file. There are several to choose from. All of the online tools listed beneath let you to drib a JAR file into the website and download the contents. This is a proficient option if you lot don't run across these archives oft and don't want to install new software.

3. Online Annal Extractor

The Online Archive Extractor is a browser-based tool you can utilize to excerpt several kinds of archive files, including JAR files. The site is secure, and, since the tool works locally within the browser (i.due east., non server-side), you can balance assured that your files won't be sent over the net. You'll besides discover that extracting JAR files using the Online Archive Extractor is speedier than some other archive extractors since virtually no data is being transferred online.

iv. AppsCMS JAR File Opener

The JAR File Opener from AppsCMS works a picayune differently than the Online Annal Extractor. Information technology does transfer your file to its servers. They exercise, however, assure users, "Nosotros store your Jar files merely for a very short duration for extracting content and then delete the files. Nosotros do not shop whatever of your JAR or contents of your JARs." Since information technology's online as well, this pick will also piece of work for opening JAR files on Mac, Linux, Ubuntu, and all flavors of Windows.

5. Online Java Decompiler

The Online Java Decompiler is fabricated available by Leonardo Santos of Brazil. His tool decompiles .jar and .class files online. Information technology's a elementary tool that does exactly what information technology says it does. Most of the files you extract from a JAR file will be text files, but some may be other types of files that require additional apps to view them.

6. EzyZip's Extract Jar File Tool

EzyZip's Extract Jar File Tool has a few more bells and whistles than the other online JAR file openers. Some files extracted with the tool can exist previewed inside the browser, and you besides have the pick to save multiple files and folders into a target folder of your choosing all at once.

7. FreeFileConvert

The last entry in our list is a little different than the others. The Convert JAR to Aught tool from FreeFileConvert converts your JAR file into a ZIP file you tin can open natively in Windows. The JAR file you desire to convert tin can be on your computer or in a cloud service like Google Drive or Dropbox. Additionally, if you have the URL of a JAR file you can enter it and utilize this tool to convert information technology to a ZIP file.

Running JAR Files with the Coffee Runtime Environment

So far, nosotros've discussed ways of viewing JAR files. If yous want to run those files, y'all'll need to employ the Coffee Runtime Environment. Check out our article on how to run JAR files on Windows to larn how to install Java on your computer and run JAR files in the Java Runtime Environment.