Step 1Click “Utilities” and then “Terminal” to open “Terminal” on your Mac. You can take the following guide to do it. You can also rely on the command line to convert DMG to ISO on Mac. Convert DMG to ISO with the command line. Please note that you can't boot your Mac from bootable USB made from an ISO file, which means you'll have to convert it back to DMG prior to that. Since ISO is a better format for Windows, you can also convert the DMG to the ISO format and then use the ISO disk image to create the bootable USB. Convert DMG to ISO and Create macOS Boot USB from Windows. Hdiutil convert apple.dmg -format UDTO -o apple.iso.
Assuming that you have a disk image called apple.dmg in the current directory, type. If you have a large DMG file, a progress bar will show until. If the DMG archive is password protected, DMG Extractor will prompt you for its password: DMG Extractor will load the file you selected. Click the 'Open' menu icon on the top-left of the window. Open a terminal window from Finder Applications Utilities Terminal. Once installed, DMG Extractor will run automatically.
How To Convert DMG Files To ISO Files On Mac Method 1: Using the Mac terminal. Forget downloading the shareware apps that promise to convert DMG files to ISO, you can do it right from Mac OS X’s command line, for free, using the. Perhaps your Mac doesn’t have a writable media drive, or it’s not up to speed, or the multitude of other reasons you’d want to have or burn an ISO from a PC rather than a DMG on your Mac.