Jar2Exe 2.2.4

Regular Expression Laboratory ❘ Freeware ❘
Windows

Effortlessly Convert Java JAR Files with Jar2Exe

Boris Weber

02/14/2025

Jar2Exe simplifies the process of converting Java JAR files to executable Windows applications, offering a user-friendly interface and robust conversion options.

Jar2Exe is a tool to wrap jar files into binary exe files for Windows and Linux.

To start java from generated exe files is more convenient: 1) Easy to start, generated exe files will find JRE on host by itself. 2) Easy to configure, generated exe files are configurable for Java vm parameters or options defined by Jar2Exe. 3) Safe to redistribute, jar files are encrypted and hidden into exe file. So the java program cannot be extracted and decompiled. 4) Function enhancement, generated exe files have many function enhancements, such as you can run java program as a Service on Windows and Linux without developing with OS.

About Jar2Exe itself: 1) Jar2Exe supports Wizard Mode and Command Line Mode to run. 2) Jar2Exe runs on Windows, but Jar2Exe can generate exe files for Windows and Linux. 3) 32 bits and 64 bits supported, 64 bits edition of Jar2Exe can generate both 32 and 64 bits exe files. 4) Jar2Exe can generate "Console", "Windows GUI", "Service" 3 types of applications. 5) It supports to pack depended jar files into a single exe file.

The develop license is free. If you want to redistribute generated exe files to your customers as a product, you need to purchase Jar2Exe. Without purchase, you are allowed to use Jar2Exe for developing, test and demonstration.

Overview

Jar2Exe is a Freeware software in the category Web Development developed by Regular Expression Laboratory.

The latest version of Jar2Exe is 2.2.4, released on 06/11/2019. It was initially added to our database on 10/12/2012.

Jar2Exe runs on the following operating systems: Windows.

Jar2Exe has not been rated by our users yet.

Pros

Allows converting Java JAR files into executable files for easier distribution
Supports various platforms including Windows, Mac, and Linux
Provides options for customizing the executable file such as setting file information and icon
Offers different compression levels for the executable file size optimization
Simple user interface for easy operation

Cons

May have limitations with advanced features compared to other similar tools
Limited free version with more advanced features available in paid versions
Possible compatibility issues with certain Java applications or environments

FAQ

What is Jar2Exe?

Jar2Exe is a tool developed by Regular Expression Laboratory that allows you to convert Java jar files into executable files for Windows, Linux, and Mac.

How does Jar2Exe work?

Jar2Exe wraps the Java jar file along with a Java runtime environment into a single executable file. This allows users to run Java applications without requiring a separate installation of Java on their system.

What platforms does Jar2Exe support?

Jar2Exe supports Windows, Linux, and Mac platforms for converting Java jar files into executable files.

Can I customize the executable generated by Jar2Exe?

Yes, Jar2Exe offers customization options such as setting custom icons, executable names, version information, and other properties for the generated executable.

Is Jar2Exe free to use?

Jar2Exe offers a free trial version with limited features. To access all functionalities and remove limitations, users can purchase a license.

Is Jar2Exe's output file standalone?

Yes, the output generated by Jar2Exe is a standalone executable file that includes the required Java runtime environment, making it independent of the user's installed Java version.

Can I convert multiple jar files at once using Jar2Exe?

Yes, Jar2Exe allows batch conversion of multiple jar files into executable files, saving time and effort for users handling multiple Java applications.

Does Jar2Exe offer technical support?

Yes, Regular Expression Laboratory provides technical support for users of Jar2Exe to assist with any issues or questions regarding the software.

Can I redistribute applications converted with Jar2Exe?

Yes, users can freely distribute and share applications converted using Jar2Exe without any additional licensing requirements.

Does Jar2Exe support obfuscation of Java code?

No, as of the current version, Jar2Exe does not offer built-in support for obfuscating Java code. Users looking for obfuscation would need to use external tools before converting their jar files.

Boris Weber

I am an editor at UpdateStar. I started as a support engineer, and am now specialized in writing about general software topics from a usability and performance angle among others. I telecommute from UpdateStar’s Berlin office, when I am not working remote as a digital nomad for UpdateStar. When I'm not analyzing the latest software updates, you can find me exploring new cities, immersing myself in local cultures, and discovering innovative tech trends across the globe.

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Latest Version
2.2.4

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