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skylot

skylot/jadx

Command-line and GUI tools that decompile Android Dex, APK and related files into readable Java source code.

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What is it?

jadx converts Dalvik bytecode from APK, dex, aab, apks, apkm, xapk and zip files into Java source code. It can also decompile Java bytecode (jar, class, aar) and smali files, and decodes AndroidManifest.xml and other resources from resources.arsc.

The project ships a command-line tool and a GUI (jadx-gui). The GUI provides syntax-highlighted code view, jump to declaration, find usage, full-text search and a smali debugger. The CLI offers options for output format, decompilation mode, deobfuscation mappings and Gradle project export.

The project notes that it cannot decompile every method perfectly, so some output may contain errors. It can also be used as a library in Java projects.

Key features

  • 01Decompiles APK, dex, aab, xapk and other Android packages to Java
  • 02Decodes AndroidManifest.xml and resources from resources.arsc
  • 03Includes a GUI with syntax highlighting, search and jump to declaration
  • 04Supports a smali debugger in the GUI
  • 05Includes a deobfuscator and supports common mapping formats
  • 06Can export decompiled output as a Gradle project

Use cases

  • Inspecting how an Android app works without access to its source code
  • Analyzing APK files for security review or reverse engineering
  • Studying obfuscated Android apps with the built-in deobfuscator
  • Embedding decompilation into Java tooling via the library API

Topics

FAQ

What is jadx?
Command-line and GUI tools that decompile Android Dex, APK and related files into readable Java source code. jadx converts Dalvik bytecode from APK, dex, aab, apks, apkm, xapk and zip files into Java source code. It can also decompile Java bytecode (jar, class, aar) and smali files, and decodes AndroidManifest.xml and other resources from resources.arsc.
Is jadx free to use? What license does it have?
jadx is open source under the Apache-2.0 license. Check the license terms before using it in commercial products.
Is jadx still maintained?
Actively maintained. The last commit to jadx was on Oct 14, 2026.
What can I use jadx for?
Inspecting how an Android app works without access to its source code Analyzing APK files for security review or reverse engineering Studying obfuscated Android apps with the built-in deobfuscator Embedding decompilation into Java tooling via the library API
Where can I get jadx?
The source code and installation instructions are on GitHub: https://github.com/skylot/jadx

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