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Mount .NRG image file on OSX 10.6 [Resolved]

I have a Nero Disk Image(.nrg) File and I would like to mount it on OSX to copy it's contents. I've tried to rename to .iso and to use NRG2ISO with no luck.

Any tips ?

Question Credit: George Profenza
Question Reference
Asked September 10, 2019
Posted Under: Apple
5 Answers

A little googling led me to this thread on

It appears that if the ISO is a single session CD image you can just knock the first 600 bytes off with a terminal command and it'll be readable as an ISO (change file type to .iso after performing the command).

I'd recommend making a backup of the .nrg file before trying this though!

$ dd if=image.nrg of=cdrom.iso bs=512 skip=600

(↑ credit to balamw on macrumors forums)

Also, If you're just looking to extract pictures from the disk, File Juicer may also be worth a look!

credit: Jari Keinänen
Answered September 10, 2019

Had the same experience as the OP. Tried using nrg2iso, tried renaming the file to .iso and also tried the dd command from that MacRumors thread. Nothing worked.

However, I then found nrg4iso which worked perfectly! The project has been abandoned since 2007 but it still works.

credit: mluisbrown
Answered September 10, 2019

dd variant not work for me. So, i find another one with poweriso:

Use: ./poweriso convert ~/Desktop/image.nrg -o ~/Desktop/image.iso -ot iso

credit: user141023
Answered September 10, 2019

With .nrg images from audio CDs, the solutions proposed in the other answers do not work (e.g. failing with Source is a Nero DAO (Disk at once) with 1 session(s) ).

However, the commercial Deamon Tools are now available for Mac OSX. Using these, you can mount the .nrg as an Audio CD.

credit: Jan Eglinger
Answered September 10, 2019

There are not many options on Mac for this purpose. I think AnyToISO is good freemium choice. Its freemium version supports up to 870 MB.

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credit: itsnotmyrealname
Answered September 10, 2019
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