JADX

jadx - Dex to Java decompiler

Command line and GUI tools for producing Java source code from Android Dex and Apk files

Warning

Please note that in most cases jadx can't decompile all 100% of the code, so errors will occur.
Check Troubleshooting guide for workarounds.

Main features:

decompile Dalvik bytecode to Java code from APK, dex, aar, aab and zip files
decode AndroidManifest.xml and other resources from resources.arsc
deobfuscator included

jadx-gui features:

view decompiled code with highlighted syntax
jump to declaration
find usage
full text search
smali debugger, check wiki page for setup and usage

Jadx-gui key bindings can be found here

See these features in action here: jadx-gui features overview

Download

release from github:
latest unstable build

After download unpack zip file go to bin directory and run:

jadx - command line version
jadx-gui - UI version

On Windows run .bat files with double-click
Note: ensure you have installed Java 11 or later 64-bit version. For Windows, you can download it from oracle.com (select x64 Installer).

Install

Arch linux
```
sudo pacman -S jadx
```
macOS
```
brew install jadx
```

Flathub

flatpak install flathub com.github.skylot.jadx

Use jadx as a library

You can use jadx in your java projects, check details on wiki page

Build from source

JDK 11 or higher must be installed:

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-<version>.zip

Usage

jadx[-gui] [command] [options] <input files> (.apk, .dex, .jar, .class, .smali, .zip, .aar, .arsc, .aab, .xapk, .jadx.kts)
commands (use '<command> --help' for command options):
  plugins	  - manage jadx plugins

options:
  -d, --output-dir                    - output directory
  -ds, --output-dir-src               - output directory for sources
  -dr, --output-dir-res               - output directory for resources
  -r, --no-res                        - do not decode resources
  -s, --no-src                        - do not decompile source code
  --single-class                      - decompile a single class, full name, raw or alias
  --single-class-output               - file or dir for write if decompile a single class
  --output-format                     - can be 'java' or 'json', default: java
  -e, --export-gradle                 - save as android gradle project
  -j, --threads-count                 - processing threads count, default: 4
  -m, --decompilation-mode            - code output mode:
                                         'auto' - trying best options (default)
                                         'restructure' - restore code structure (normal java code)
                                         'simple' - simplified instructions (linear, with goto's)
                                         'fallback' - raw instructions without modifications
  --show-bad-code                     - show inconsistent code (incorrectly decompiled)
  --no-xml-pretty-print               - do not prettify XML
  --no-imports                        - disable use of imports, always write entire package name
  --no-debug-info                     - disable debug info parsing and processing
  --add-debug-lines                   - add comments with debug line numbers if available
  --no-inline-anonymous               - disable anonymous classes inline
  --no-inline-methods                 - disable methods inline
  --no-move-inner-classes             - disable move inner classes into parent
  --no-inline-kotlin-lambda           - disable inline for Kotlin lambdas
  --no-finally                        - don't extract finally block
  --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
  --mappings-path                     - deobfuscation mappings file or directory. Allowed formats: Tiny and Tiny v2 (both '.tiny'), Enigma (.mapping) or Enigma directory
  --mappings-mode                     - set mode for handling the deobfuscation mapping file:
                                         'read' - just read, user can always save manually (default)
                                         'read-and-autosave-every-change' - read and autosave after every change
                                         'read-and-autosave-before-closing' - read and autosave before exiting the app or closing the project
                                         'ignore' - don't read or save (can be used to skip loading mapping files referenced in the project file)
  --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-whitelist                   - space separated list of classes (full name) and packages (ends with '.*') to exclude from deobfuscation, default: android.support.v4.* android.support.v7.* android.support.v4.os.* android.support.annotation.Px androidx.core.os.* androidx.annotation.Px
  --deobf-cfg-file                    - deobfuscation mappings file used for JADX auto-generated names (in the JOBF file format), default: same dir and name as input file with '.jobf' extension
  --deobf-cfg-file-mode               - set mode for handling the JADX auto-generated names' deobfuscation map file:
                                         'read' - read if found, don't save (default)
                                         'read-or-save' - read if found, save otherwise (don't overwrite)
                                         'overwrite' - don't read, always save
                                         'ignore' - don't read and don't save
  --deobf-use-sourcename              - use source file name as class name alias
  --deobf-res-name-source             - better name source for resources:
                                         'auto' - automatically select best name (default)
                                         'resources' - use resources names
                                         'code' - use R class fields names
  --use-kotlin-methods-for-var-names  - use kotlin intrinsic methods to rename variables, values: disable, apply, apply-and-hide, default: apply
  --rename-flags                      - fix options (comma-separated list of):
                                         'case' - fix case sensitivity issues (according to --fs-case-sensitive option),
                                         'valid' - rename java identifiers to make them valid,
                                         'printable' - remove non-printable chars from identifiers,
                                        or single 'none' - to disable all renames
                                        or single 'all' - to enable all (default)
  --integer-format                    - how integers are displayed:
                                         'auto' - automatically select (default)
                                         'decimal' - use decimal
                                         'hexadecimal' - use hexadecimal
  --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                      - set '--decompilation-mode' to 'fallback' (deprecated)
  --use-dx                            - use dx/d8 to convert java bytecode
  --comments-level                    - set code comments level, values: error, warn, info, debug, user-only, none, default: info
  --log-level                         - set log level, values: quiet, progress, error, warn, info, debug, default: progress
  -v, --verbose                       - verbose output (set --log-level to DEBUG)
  -q, --quiet                         - turn off output (set --log-level to QUIET)
  --version                           - print jadx version
  -h, --help                          - print this help

Plugin options (-P<name>=<value>):
 1) dex-input: Load .dex and .apk files
    - dex-input.verify-checksum       - verify dex file checksum before load, values: [yes, no], default: yes
 2) java-convert: Convert .class, .jar and .aar files to dex
    - java-convert.mode               - convert mode, values: [dx, d8, both], default: both
    - java-convert.d8-desugar         - use desugar in d8, values: [yes, no], default: no
 3) kotlin-metadata: Use kotlin.Metadata annotation for code generation
    - kotlin-metadata.class-alias     - rename class alias, values: [yes, no], default: yes
    - kotlin-metadata.method-args     - rename function arguments, values: [yes, no], default: yes
    - kotlin-metadata.fields          - rename fields, values: [yes, no], default: yes
    - kotlin-metadata.companion       - rename companion object, values: [yes, no], default: yes
    - kotlin-metadata.data-class      - add data class modifier, values: [yes, no], default: yes
    - kotlin-metadata.to-string       - rename fields using toString, values: [yes, no], default: yes
    - kotlin-metadata.getters         - rename simple getters to field names, values: [yes, no], default: yes
 4) rename-mappings: various mappings support
    - rename-mappings.format          - mapping format, values: [AUTO, TINY_FILE, TINY_2_FILE, ENIGMA_FILE, ENIGMA_DIR, SRG_FILE, XSRG_FILE, CSRG_FILE, TSRG_FILE, TSRG_2_FILE, PROGUARD_FILE], default: AUTO
    - rename-mappings.invert          - invert mapping on load, values: [yes, no], default: no

Environment variables:
  JADX_DISABLE_XML_SECURITY - set to 'true' to disable all security checks for XML files
  JADX_DISABLE_ZIP_SECURITY - set to 'true' to disable all security checks for zip files
  JADX_ZIP_MAX_ENTRIES_COUNT - maximum allowed number of entries in zip files (default: 100 000)
  JADX_TMP_DIR - custom temp directory, using system by default

Examples:
  jadx -d out classes.dex
  jadx --rename-flags "none" classes.dex
  jadx --rename-flags "valid, printable" classes.dex
  jadx --log-level ERROR app.apk
  jadx -Pdex-input.verify-checksum=no app.apk

These options also work in jadx-gui running from command line and override options from preferences' dialog

Troubleshooting

Please check wiki page Troubleshooting Q&A

Contributing

To support this project you can:

Post thoughts about new features/optimizations that important to you
Submit decompilation issues, please read before proceed: Open issue
Open pull request, please follow these rules: Pull Request Process

Licensed under the Apache 2.0 License

License

iot/fork-jadx

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