Here are ways that you can convert dmg files to iso files on Mac OSX, Windows and Linux.
Anything that can help me convert.dmg files to.iso, that isn't limited by file size and works on Windows 10? 3 points 3 years ago edited 3 years ago. Is it a DVD movie disc image? Disk Utility can do convert dmg to cdr and then to iso. Guide below: Mount the DMG disk image you want converted to CDR format. #1 Power ISO: The Best DMG to ISO Converter. It's the most efficient and accessible tool to convert DMG files into ISO files. It's free to use the application, but there is its premium version as well. In the paid premium version your DMG files will get converted to ISO files automatically with least manual input. Convert DMG to ISO options. When trying to convert a DMG to a ISO or CDR file for MacOS X, we have two options available. The first one is by using just Disk Utility, a preferred method if you don’t like working with Terminal. The second method is by using the command line by using Terminal.
Oct 03, 2017 Creating Bootable USB From ISO on Mac OSX. Insert your USB flash drive and use disk utility to format it (press command space to open spotlight search and type Disk Utility). Select the flash drive, choose edit erase and format to MSDOS. Convert ISO to IMG Format. Once you’ve downloaded your ISO to your machine you will want to open.
Nov 16, 2017 Nov 16, 2017 3:11 PM in response to l1lN1ckl1l In response to l1lN1ckl1l I have the same problem, I want to open some old.smi images from OS9. When I use Disc Utility ImageConvert the.smi files are grayed out and cannot be selected. So you downloaded an.iso image, and now you want to convert it to.dmg format? How can I convert.dmg to a Windows-compatible.iso on Mac? Don’t bother downloading any third party software, you can easily convert.dmg to.iso or.iso to.dmg format using the Terminal or Disk Utility on Mac OS X. Most of Mac operating systems and applications are distributed in dmg files. On Windows PC, it is very convenient to manipulate dmg files with PowerISO. You can open dmg file, convert it to iso file, or burn it to a CD / DVD disc. To convert it to iso file, please follow the steps, Run PowerISO. Choose 'Tools.
Before we start, let’s download a dmg file from the public domain. I found one on Apple’s article about The XMLHttpRequest Object website while I was learning Ajax and that can be downloaded from this link. This is just a 150KB dmg file and will be handy if you want to have something to test with while you’re following this tutorial.
1. Open a terminal window from Finder > Applications > Utilities > Terminal.
2. Assuming that you have a disk image called apple.dmg in the current directory, type
hdiutil convert apple.dmg -format UDTO -o apple.iso
3. This will actually create a file called image.iso.cdr in the current directory (even though we asked for the output to be image.iso). This file can be safely renamed to image.iso, copied to a Windows server or machine, and burned with your CD/DVD burner of choice.
Generally, the command hdiutil can be used this way:
hdiutil convert /path/to/filename.dmg -format UDTO -o /path/to/savefile.iso
1. DMGConverter is a disk image (.dmg, .cdr, .iso) creation and conversion tool which is simple and easy to use. It is a very useful tool for the collective processing of more than one file and every folder, and it can deal with all the fundamental processing with the drag & drop of the file/folder. For Mac Only.
This is for Windows users who might have downloaded a dmg file and wondering how to extract the content, or not even knowing how and what to do with the dmg file. I’ve been there at a certain stage. the sharewares mentioned are fully functional and allows you to use the “convert dmg to iso” function even when it’s not registered yet.
1. Download MagicISO, install and run program.
2. Click to open dmg file.
3. Click to open “Properties” dialogs.
4. Uncheck Apple HFS and Apple HFS+
5. Check “ISO 9660” “Joliet” “UDF”
6. Click OK
7. Click to save as to iso image, or click to burn to CD/DVD without saving.
UltraISO basically does the same thing, but it can save you time from doing step 3 to 6 compared to method 1.
I’ve heard and read that some people had been able to convert dmg files into iso files using dmg2iso (freeware). I’ve tried dmg2iso, converted my dmg file to iso without problem, but the converted iso file is corrupted and can’t be open by any tools (Daemon Tools, Alcohol, MagicISO, UltraISO and ISOBuster) that I’ve tested. It might work for you, but no guarantees.
ISOBuster is pretty similar to MagicISO and UltraISO. But too bad that the function to “convert dmg to iso” is restricted and won’t be functional until you buy the software.
Free open-source app AcetoneISO provides a great deal of disc image manipulation tools not found in the Gnome desktop. It can mount/unmount a variety of image formats (ISO, DMG, MDF, NRG, BIN, NRG), convert images, create, encrypt, and decrypt ISOs, play DVDs (with the required codecs installed), and much more. It is particularly useful for mounting proprietary formats found in Windows and Mac boot discs. AcetoneISO is a one-stop-shop for all of your CD/DVD image manipulation needs, and is a free download for Linux only. This works on all famous linux distro such as Ubuntu, SUSE, Fedora, Mandrake, and Redhat.
So there you have it, and this should get you covered no matter what operating system you’re using.