InstallerApp2ISO
InstallerApp2ISO is a Mac utility that converts macOS installer apps into bootable ISO images and can also create VirtualBox VDI disk images.
What is InstallerApp2ISO?
InstallerApp2ISO is a native Mac utility for turning Apple macOS installer applications into bootable ISO images. It is designed for users who need installation media for testing, archiving, or virtual machine workflows, especially when preparing macOS installs for VirtualBox. The app can also generate a VDI disk image for booting a macOS virtual machine with an APFS file system. Its workflow centers on selecting a supported macOS installer app and producing the disk image files needed for VM setup or installer reuse. InstallerApp2ISO is published by Bryan Christianson and is aimed at technically comfortable Mac users working with macOS deployment and virtualization tasks.
Key features
- Create a bootable ISO image from a macOS installer application
- Generate a VirtualBox VDI disk image for macOS virtual machine setup
- Work with Mojave-era and later macOS installer workflows
- Help prepare installation media for VirtualBox-based testing
- Support virtualization setups that use APFS file systems
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Safety overview
Status: Mostly safe
InstallerApp2ISO is a legitimate utility for creating installer and virtual machine disk images on Mac. For that job, it may need access to macOS installer apps and enough disk space to write large image files. The main practical risk is using the wrong source installer or overwriting files in a working folder, so save output to a location you recognize and keep backups of any important VM files. It is not the kind of app most people need running all the time.
Recommendation: Keep InstallerApp2ISO if you actively create macOS installer ISOs or VirtualBox images. If you no longer use it for virtualization or installer-media tasks, removing it is usually reasonable and should only affect those workflows and any related helper files you created with it.
Common paths
/Applications/InstallerApp2ISO.app
Preference paths
~/Library/Preferences/net.whatroute.installerapp2iso.plist
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