How do I create an ISO Image on a Mac?

Create a disk image from a disk or connected device

In the Disk Utility app on your Mac, select a disk, volume, or connected device in the sidebar.
Choose File > New Image, then choose “Image from [device name].”
Enter a filename for the disk image, add tags if necessary, then choose where to save it.

How do I create an ISO file with Big Sur Mac?

16 responses

First download macOS Big Sur installer from App Store or if elsewhere and put it in /Applications folder.
Make the tmp volume.
Mounted the disk image.
Used the disk image as destination for creating installer using Mac App Store download.
Convert the tmp image to cdr file.

Can you use Clonezilla on a Mac?

Yes, it’s doable! Testing on a MacBook Pro (Retina, 15-inch, Early 2013), as it’s the oldest Mac I have access to today… I went to https://clonezilla.org/downloads.php and clicked on alternative stable – 20200428-focal, then in the next window left 1, 2, 3 as set and clicked the DOWNLOAD button.

How do I download Big Sur DMG on Mac?

Downloading macOS Big Sur as a DMG File

Get macOS Big Sur from the Mac App Store (you can download other macOS installers from here if needed.
When the download has finished, open the Terminal application.

Is Clonezilla any good?

Clonezilla is powerful and reliable, but lacks polish and will seem daunting and excessive for many general users.

Can you make an ISO file from macOS?

Because the macOS installer application is an .app file and do not arrive as a disk image, to create a MacOS ISO file requires a sequence of steps through the command line, or the use of a third party application. For the purposes here, we’ll walk through how you can make a MacOS Big Sur ISO file by using the terminal.

How do you create a disk image on a Mac?

Disk Utility creates the disk image file where you saved it in the Finder and mounts its disk icon on your desktop and in the Finder sidebar. In the Finder, copy your files to the mounted disk image, then eject it. Restore the disk image to a disk.

How do I create a hybrid disk image?

Hybrid image (HFS+/ISO/UDF): This disk image is a combination of disk image formats and can be used with different file system standards, such as HFS, ISO, and UDF. Click Save, then click Done. Disk Utility creates the disk image file where you saved it in the Finder and mounts its disk icon on your desktop and in the Finder sidebar.

What does partimg mapper do for partition image?

Partition Image Mapper is a tool that allows you to temporarily use the partition image as a real partition. PartIMG Mapper is similar, please refer to Partition Image Mapper for more details. PartIMG Mapper is designed to help users to use it directly on Grub2 without having to boot into Windows.