Disk Inventory X was kind of nice, but it is painfully slow.
Are there any modern and faster alternatives?
I only care about the disk space, and not about the file type stats and about the graph which Disk Inventory X displays.
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OmniGroup offers a free utility called OmniDisksweeper which lists files/folders sorted by size.
OmniDiskSweeper is really great at what it does: showing you the files on your drive, in descending order by size, and letting you delete them easily! It scans your disks as quickly as possible and shows you the facts — if a file doesn't make the cut to stay, just click the big Delete button and be done with it. It's a fast, easy way to find those large files cluttering up your drive and clearing them out for new, better things. Make sure you want them gone, though. There's no going back
I think Disk Inventory is as fast or slow as any of the others. If the disk is big, it's slower than on a little one, and of course, on an SSD it is really fast. Although it is from 2006, I think it isn't bad coded, and it still works on my 10.9.
It gives more info than you need, but you can ignore that, as long as you find what you need. I guess what takes time is the reading of the disc, an app without the details of kind of info won't, as far as I think, really take much less.
I am using it for ages now, there was a time in Mavericks it didn't work, now it goes well. I haven't tried GrandPerspective, it seems to make the same (with more alternatives which you anyhow don't seem to need), but is fresher.
macOS comes with an in-built app from
Storage Management, which is a part of
System Information package. In different tabs it shows you the largest apps installed, as well as a folder viewer with their sizes listed. A special tab shows the largest files over all of your folders, which I find very practical.
Storage Management open
Spotlight Search by hitting
Storage Management and hit
You can find more information here.
I can heartily recommend ncdu if you're looking for a text (ncurses) based alternative. One of the fastest I've found.
Use onboard tools:
Step 1: Open Finder
Step 2: In the menu bar select View → as List
Step 3: In the menu bar, select View → Show View Options
Step 4: Check the box next to Calculate all sizes
Thanks to brew formulae,
installation commands for quick copy-paste:
brew install ncdu
sample screenshot for ncdu:
brew install baobab
sample screenshot for baobab:
The thing I liked most about it is that it shows a clear status of the ongoing scan, as well as a time estimate for when it is expected to finish. The others I tried at best just show a "spinny" and you have no idea if the program is stuck or what.
This was actually a game changer in my case for two reasons: