jadx – Dex to Java decompiler

Command line and GUI tools for produce Java source code from Android Dex and Apk files. Android application package (APK) is the package file format used to distribute and install application software onto Google’s Android operating system. There are a lot of reasons why you would like to decompile an APK, to learn how an application works, to increase the security and complexity of your code.

Requirment

You need to installed Java Kit.

How to install

git clone https://github.com/skylot/jadx.git
cd jadx
./gradlew dist
(on Windows, use gradlew.bat instead of ./gradlew)

Scripts for run jadx will be placed in build/jadx/bin and also packed to build/jadx-.zip

MAC OS

You can install using brew:

brew install jadx

How to run

cd build/jadx/
bin/jadx -d out lib/jadx-core-*.jar
# or
bin/jadx-gui lib/jadx-core-*.jar

jadx[-gui] [options] input file (.apk, .dex, .jar, .class, .smali, .zip, .aar, .arsc)
options:
-d, --output-dir - output directory
-ds, --output-dir-src - output directory for sources
-dr, --output-dir-res - output directory for resources
-j, --threads-count - processing threads count
-r, --no-res - do not decode resources
-s, --no-src - do not decompile source code
--single-class - decompile a single class
--output-format - can be 'java' or 'json' (default: java)
-e, --export-gradle - save as android gradle project
--show-bad-code - show inconsistent code (incorrectly decompiled)
--no-imports - disable use of imports, always write entire package name
--no-debug-info - disable debug info
--no-inline-anonymous - disable anonymous classes inline
--no-replace-consts - don't replace constant value with matching constant field
--escape-unicode - escape non latin characters in strings (with \u)
--respect-bytecode-access-modifiers - don't change original access modifiers
--deobf - activate deobfuscation
--deobf-min - min length of name, renamed if shorter (default: 3)
--deobf-max - max length of name, renamed if longer (default: 64)
--deobf-rewrite-cfg - force to save deobfuscation map
--deobf-use-sourcename - use source file name as class name alias
--rename-flags - what to rename, comma-separated, 'case' for system case sensitivity, 'valid' for java identifiers, 'printable' characters, 'none' or 'all'
--fs-case-sensitive - treat filesystem as case sensitive, false by default
--cfg - save methods control flow graph to dot file
--raw-cfg - save methods control flow graph (use raw instructions)
-f, --fallback - make simple dump (using goto instead of 'if', 'for', etc)
-v, --verbose - verbose output
--version - print jadx version
-h, --help - print this help
Example:
jadx -d out classes.dex
jadx --rename-flags "none" classes.dex
jadx --rename-flags "valid,printable" classes.dex

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