How to Convert ISO to DMG? Complete Guide
Summary: Convert ISO to DMG is a popular search term for users looking to change disk image formats in various operating systems. Frequently, it is the case that users want to convert or move data in one format to another for compatibility purposes, backups, or system installs. This post will take you through what makes you do this conversion, manual methods to convert, and a trusted professional utility which will make the process smooth.
What is an ISO & DMG File?
An ISO file is a very popular format on Windows & Mac systems. It saves an identical copy of the data on a CD, DVD or installation unit in one file. They’re primarily used for operating system installations, backups, and software transfer.
DMG is a disk file format used with macOS devices. Primarily, it is there for deploying Mac applications, system recovery and secure file sharing. It is commonly used for Mac format and would be perfect if you want to burn a disk.
Reasons to Change ISO to DMG
There are crucial points why users want to convert ISO to DMG. Let’s see those factors:
- DMG files are native in Mac OS and used in terms of app installation and creation of a disk.
- It is useful for preparing a bootable installation USB, system recovery CD, or DVD without using a physical disc.
- Developers & IT companies choose DMGs as the format to develop software in.
- This is because DMGs support compression and encryption. So, it ensures that your software remains secret until it’s ready.
- DMG images can take advantage of rich Mac file system features and metadata. providing fine control over disk image structure and access permissions.
| Feature | ISO File | DMG File |
| Supported OS | Windows, Linux, macOS | macOS |
| Native Format | No (on Mac) | Yes |
| Compression | Limited | Supported |
| Encryption | Not supported | Supported |
| Best For | Cross-platform use | macOS installations |
| Metadata Support | Basic | Advanced |
When Do You Need to Change ISO to DMG?
The reason you might want to convert ISO to DMG is that it has better compatibility with Mac. You’ll need to make this conversion when you are installing macOS software, making a bootable installer, or sharing files securely with other Mac users.
It is also suggested for mounting ISO files on macOS which cannot mount an ISO file that was created with encryption or compression, other than Apples Disk Utility.
Convert ISO to DMG Files Using Manual Steps
There are a couple of ways you can change ISO to DMG, through built-in options available for macOS. Here are some of the methods:
#1. Using macOS Disk Utility
If you are working directly on a Mac itself, Disk Utility will give you an easy way to do the conversion:
- Open Disk Utility on Mac.
- Go to File > New Image > Convert.
- Navigate to and choose the ISO file.
- Optionally, select the desired output format as “Compressed” or “Read/Write”.
- Lastly, choose the image format as DMG and click Save.
The process to convert ISO to DMG is done. Now, it can be used to mount in macOS.
#2. Through Terminal Command on Mac
For advanced macOS users, you can convert ISO to DMG directly in the command line.
1. Open Terminal from Applications → Utilities.
2. Enter the following command:
hdiutil convert /path/to/yourfile.iso -format UDRW -o /path/to/output.dmg
3. Replace /path/to/yourfile.iso with the actual ISO path. And, where you want to save the dmg file.
4. When it’s done, you’ll have your ISO file available as a DMG.
Note: It might take longer to convert based on file size and disk speed.
ShortComings During Manual Conversion
These are the points which users generally face while following manual steps. It comes with certain drawbacks:
- Command line may probably need some technical skill and might lead to human errors.
- It is usually not supported, if you process ISOs in bulk or customize the type of output.
- Huge ISO files will either take time to process, or lead to compatibility issues.
- While manual methods don’t provide other features such as compression, encryption, to set output paths.
- Plus, these steps do not ensure you a bootable and fully operational DMG image based structure of an ISO file.
Mistakes During ISO to DMG Conversion
A lot of users have faced the problem such as “image not recognized” & “conversion failed” while dealing with manual solutions. This problem commonly arises from a corrupted ISO file, not enough disk space or improper usage of the command in Terminal. And sometimes the converted DMG would not mount successfully, or even worse. It can’t be worked as a bootable one by manual.
Convert ISO to DMG Format – Smart Alternative Method
Manual techniques could work, but would also need technical knowledge and going to involve a lot of trial and error. Using SysTools ISO converter Tool is the go-to solution which is speedy, effective and accurate conversion mode. There is no command line and complicated setting here. All you have to do is load the ISO file, choose the output profile and get started.
Key Advantages:
- You can handle multiple ISO files at one time with just one process.
- The ISO to DMG converter keeps the original table structure, data and index. So, there is data loss.
- Support Windows and Mac OS and time saving methods. You can easily switch between up to 3 devices.
- Supports all sizes of disk images and is very optimal.
- 24/7 customer support to help resolve any installation or file conversion issues.
It provides superior quality results compared to manual approach and it is easy to use for both individuals and organizations.
Change ISO to DMG File – Software Method
Follow these tool steps to know the functionality in order to complete the conversion process:
1. Download & Install ISO to DMG converter on your desktop.
2. To insert .iso files, click the Add File(s) button.
3. You can add more than one ISO at the same time. Go to that particular folder, click on the Open button.
4. Simply, press Next and it will convert ISO to DMG format in quick time.
5. Then, it will give you the option to export such as convert ISO to 7Z, BIN/CUE, IMG ZIP-ISO.
6. Browse to the location where you want to save your data. Then, hit the Convert button.
7. Your file is converted into a DMG. Just hit the OK button.
8. And if you want an overall report of this conversion, tap the “View Report option.
9. Now, go to the location where you have saved the file.
Concluding Words
If you want to work with your ISO files on macOS, the only way is to convert ISO to DMG. You can take help of manual solution like Disk Utility or Terminal. But, that may be difficult with large or complex ISO files. In that case, you can opt for our professional solution. It guarantees the complete safety of your data during conversion and is ideal for all type of users. It gives you best compatibility with macOS and it can save you from potential problem when mounting and installing. So, picking the right method will be based on file size, technical knowledge and level of accuracy needed.
Commonly Asked Questions – FAQs
In this section, we have taken questions that is asked by the users while they start the process to convert ISO to DMG:
Q1. Does macOS support ISO files natively?
Ans. Yes, macOS does have the ability to mount ISO files but it’s better if you use DMG as it can handle more Mac OS X related features.
Q2. Is it safe to convert ISO File into DMG Format?
Ans. If the ISO is clean and the conversion is done right, then your data is safe.
Q3. Can I convert ISO Files To DMG on Windows?
Ans. No, macOS-only applications are not available on Windows, but professional software that them convert works under both Windows and macOS.
Q4. Does converting will affect your output data?
Ans. No, it doesn’t convert it correctly, its should keep the original data structure.