# Android APK

## apktool

A tool for reverse engineering 3rd party, closed, binary Android apps. It can decode resources to nearly original form and rebuild them after making some modifications; it makes possible to debug smali code step by step. Also it makes working with an app easier because of project-like file structure and automation of some repetitive tasks like building apk.

{% embed url="<https://www.kali.org/tools/apktool/>" %}

```
apktool d Directory\ file.apk
```


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