5 best JAR file opener software [Windows 10/11 & Mac]

by Teodor Nechita
Teodor Nechita
Teodor Nechita
Software Managing Editor
Eager to help those in need, Teodor writes articles daily on subjects regarding Windows, Xbox, and all things tech-related. When not working, you may usually find him either... read more
Affiliate Disclosure
  • JAR files are a staple of anyone that works using Java for programming.
  • Anyone can open this format, but only if they use dedicated JAR opener software.
  • We've compiled a list of the best software that opens JAR files, each with its own features.
  • The list includes native JAR file openers, Archive openers, and even a universal file opener.
JAR file opener

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JAR files are a sub-type of archive file that deals with Java content (Java Archive), and like all archive formats, it is used to aggregate Java metadata into a single file to facilitate transfers and distribution.

The are used a lot by coders that work using the Java format, and given the popularity of the format, there are also plenty of tools that can open such files.

However, it becomes hard to choose the best of anything when there are too many choices, and that is why we’ve decided to list the best tools that you can use to open JAR files.

The entries were chosen based on multiple criteria, including effectiveness, price, how easy it is to use, system requirements, all so that you can make a more informed decision before choosing one or another.

Which are the best tools to open JAR files?


Since JAR files are basically built on the ZIP format, the go-to solution would be to use the best tool on the market that also deals with opening ZIP files, and that is WinZIP.

Not only does this tool help you open and extract the data out of JAR files, it also lets you archive it back into whatever archive file format you want, including formats that are exclusive to WinZIP.

The product is lightweight, and integrates with your OS‘ context menus upon installation, allowing you instant access to WinZIP’s tools as soon as you right-click on a JAR file.



Open, extract, and archive back your JAR and Java data with the help of WinZip’s powerful toolset

Free trialVisit website

Files Viewer Plus

If your JAR files aren’t the only ones that you have problems opening, then a good idea would be to switch from a tool that deals with particular file formats, and go for universal file openers.

In that case, the best choice you should go for is File Viwer Plus, which is currently the world’s best file opener in terms of number of formats that it supports.

All you need to so is install the tool, and select it as the default program when opening JAR files. Once you do that, all you need to do in the future is simply double-click on JAR files and their contents will become available.

File Viewer Plus

File Viewer Plus

Any file format will be available to you once you use File Viewer Plus, including JAR files.

Free trialVisit website

Java Runtime Environment

If you’re only interested in running or opening JAR files, and not developing them, then your next best pick in the list of JAR openers is the native Java Runtime Environment.

Created specifically for such situations, It allow the integration of Java support on your OS, or on your web browser, but only if you’re still running Internet Explorer.

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The UI may seem a bit dated, but the program does its job nonetheless, especially since it is designed to work with Java formats natively, and it’s free as well, which is also a big bonus.

Get Java Runtime Environment


WinRAR has always been the go-to choice for anyone looking to extract archive formats, most probably because it is constantly updated, free, and with an interface that has become a household item for PC users.

Just like WinZip, WinRAR integrates itself with your OS‘ UI, allowing instant access to archiving and extraction tools straight frm the context menues when clicking on an archive.

It has pretty fast work speeds, allowing it to compress and decompress large amounts of data in very short periods of time, without using too many system resources, as you can test for yourself from the Task Manager.

Get WinRAR


If you’re dealing with JAR files, chances are that you’re into coding as well, and if you do, then the best archiving tool that you can use to open JAR files is most likely 7-Zip.

This tool has been around for some time, and while it does come with a traditional UI for beginners, the fine aspects of archiving can be tweaked via detailed commands that you can input in its console.

As far as opening JAR files goes, it can be used to efficiently access its contents, and the only real reason it is last on our list is because the tool ‘s UI-based version isn’t very modern-looking, and may deter certain users.

Get 7-Zip

This concludes our list of best software to open JAR files with. We hope that our entries have allowed you to make a decision regarding which tools you will use, and that they are as varied as possible so that all work styles can be included.

Let us know if there is any other great JAR opener that may have deserved to be added in our list by leaving us your feedback in the comments section below, and we will check it out.

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