5. APKTool

Description:
APKTool is used to decompile, analyze, and modify Android application packages (.apk). It helps reverse engineer Android apps, allowing developers or security analysts to inspect the app’s contents.

Examples:

• 1. Decompile an APK:
     • apktool d app.apk -o output_folder

Explanation: Decompiles the APK (app.apk) and outputs the source files to output_folder.