vSphere ESXi Image Builder is a set of vSphere PowerCLI cmdlets that you can use to manage vSphere image profiles and VIB packages, such as driver VIBs and update VIBs. You can also use vSphere ESXi Image Builder cmdlets to export an image profile to an ISO or offline depot ZIP file that you can use to install ESXi with a customized set of updates, patches, and drivers.