dex2jar

Tools to work with Android .dex and Java .class files — essential for reverse-engineering Android APKs.

Source

• pxb1988/dex2jar
• Wiki · Releases

Components

1. dex-reader/writer — read/write Dalvik Executable (.dex) files
2. d2j-dex2jar — convert .dex to .class files (zipped as JAR)
3. smali/baksmali — disassemble/assemble dex to smali
4. d2j-decrypt-string — decrypt obfuscated strings in dex

Usage

./gradlew distZip
cd dex-tools/build/distributions
# unzip dex-tools-*-SNAPSHOT.zip
sh d2j-dex2jar.sh -f ~/path/to/app.apk
# → app-dex2jar.jar

Open the JAR in jd-gui or a disassembler.

License

Apache 2.0