dex2jar ☆

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Description:
Tools to work with Android .dex and Java .class files

Type: Formula | Latest Version: 2.4@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: android reverse-engineering java decompiler security

Install: brew install dex2jar

About:
dex2jar is a set of command-line tools for converting Android Dalvik Executable (.dex) files into Java bytecode (.jar) and for disassembling .dex files into human-readable smali. This enables developers to analyze, reverse-engineer, or debug Android applications on the Java Virtual Machine. It is an essential utility for Android security research and application interoperability.

Key Features:

Converts .dex files to .jar (Java bytecode)
Includes d2j-smali for disassembling .dex to smali code
Supports decompiling .jar files back to Java source
Cross-platform command-line interface
Open-source and extensible

Use Cases:

Reverse engineering Android applications for security analysis
Debugging Android apps by inspecting Java bytecode
Modifying app logic by editing smali or Java code
Recovering lost source code from APK files

Alternatives:

jadx – Jadx is a popular alternative that offers a graphical user interface (GUI) and direct decompilation to Java source, whereas dex2jar is primarily a command-line suite of conversion tools.

License: Apache-2.0

Dependencies: openjdk

Bottles available for: all

Version History

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