How to create a .img of a MicroSDXC card?

[FatLouie]

Per the title. I would like to create an .img of a SanDisk MicroSDXC card. I will need to burn this to another MicroSDXC card and be able to post the image on my Google Drive.

This is on my Studio M4 Max, so plenty of ports.

If this request is a better fit in another board, let me know and I will move it to that board.

Thanks, everyone.

 

[Ben J.]

So you're sure you need a .img file?
Standard disk image file on mac nowadays is .dmg.
.img is kind of old.

Disk Utilities lets you create .dmg easily.

 

[FatLouie]

Yep, I had .img on my mind because I am used to dealing with a Linux box. The SD has some corrupt files that needed recovery. I will take a look at DU and see about it, I had not thought of that.

Thanks, I appreciate the advice.

 

[!!!]

Yep, I had .img on my mind because I am used to dealing with a Linux box

Do you mean a raw ISO? I believe DU's "DVD/CR master" (.cdr) file is the same.

The SD has some corrupt files that needed recovery

You may want to look into ddrescue, it's designed for creating disk images (raw, ISO) of disks that may have corruption, especially if they get stuck reading certain blocks.

 

[Nermal]

If you dismount (but not eject) the card from within Disk Utility, you can then use dd at the command-line for that Unix feel 🙂

sudo dd if=/dev/rdiskx of=file.img bs=1M

Substitute the correct number for x. You can use "diskutil list" to find it.

 

[FatLouie]

Got it! Thanks, everyone...Now I am on the right path.