Apktool M is a versatile Android application tool that enables users to decompile and compile Android installation packages (.apk), including system applications, without requiring root access. This comprehensive tool features a customizable text editor with syntax highlighting, tooltips, and Java source code viewing capabilities. It supports various installation file formats including .apk, .apks, .xapk, and .apkm, and comes with a feature-rich file manager. Notable functionalities include Antisplit for merging Android App Bundle files, custom signature creation and app signing, and quick editing of application properties such as names, package names, and icons without rebuilding. The tool is completely free, contains no advertising or analytics, and maintains compatibility with devices running Android 4.0 and above.