launch4j ☆

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Description:
Cross-platform Java executable wrapper

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: java wrapper executable windows development

Install: brew install launch4j

About:
Launch4j is a cross-platform wrapper for Java applications. It creates a native Windows executable (.exe) that launches a JAR file, providing a more professional user experience. It allows developers to bundle a JRE, set custom icons, and manage JVM options seamlessly.

Key Features:

Creates native Windows executables from JARs
Bundles a JRE or detects an existing one
Custom application icons and version metadata
Splash screen support and JVM configuration

Use Cases:

Distributing Java desktop applications to non-technical Windows users
Creating professional installers for Java-based software
Managing JVM memory settings and classpath via a single executable

Alternatives:

jpackage – jpackage is built into the JDK but is more complex to configure and lacks some legacy features Launch4j provides easily.

Version History

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