

If not, install it using your distribution’s native package management system. We’re going to use dmg2img to convert the DMG to an ISO image. In order to do this, we’re first going to convert the image to a format that’s a little more universal: ISO. We want to copy a DMG image to a USB drive and keep it as verbatim as computationally possible. If the DMG was intended to be bootable then the resulting USB will be bootable. This guide covers the verbatim copying of a DMG image to a USB thumb drive using only Linux (no need to find a Mac). Open Finder and then open Disk Utility by clicking Go Utilities Disk Utility When Disk Utility opens, click the Convert icon on the toolbar When prompted, browse to the ISO file you would like to convert, select it and click the Convert button Now you will be prompted for a name. Once the file has downloaded, open your Downloads folder, right click on the file, and select extract all from the context menu. First head over to this website and grab yourself a copy of dmg2img by clicking on the win32 binary link.

Here’s how to convert a DMG file into an ISO file that can be mounted on a Windows PC. Converting DMG to ISO on a Windows box: The free copy of PowerISO is crippled at 300MB for converting files, so it requires a buy of $29.95 to convert any files over 300MB. In the Terminal window, execute this command: hdiutil convert /path/to/example.dmg -format UDTO -o /path/to/example.iso. Open a Terminal instance by clicking Applications Utilities Terminal. It uses the hdutil program to convert the DMG file into its ISO equivalent. When converting some DMG file to ISO, please note that the resulting ISO is of HFS+ file system (Apple). DMG: Apple Macintosh OS X Disk Copy Disk Image File, uses compression and encryption. Debian (Ubuntu) Linux image, compressed format. If you want to change the encryption, click the Encryption pop-up menu, then choose an encryption type.Įnter a new name for the image in the Save As field, click Save, then click Done.File Extract/Convert to ISO on Windows & macOS.

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. When you use a master disk image to create other DVDs or CDs, all data is copied exactly.

It includes a copy of all sectors of the disk image, whether they’re used or not. Read/write: Allows you to add files to the disk image after it’s created.ĭVD/CD master: Can be used with third-party apps. Read-only: The disk image can’t be written to, and is quicker to create and open.Ĭompressed: Compresses data, so the disk image is smaller than the original data. In the Disk Utility app on your Mac, choose Images > Convert, select the disk image file you want to convert, then click Open.Ĭlick the Image Format pop-up menu, then choose a new image format.
