jadx

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

Main features:
- decompile Dalvik bytecode to java classes 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