Disk Inventory X: What It Is & How to Use It

Limited disk space is rough. One minute, you’re nostalgically browsing through old vacation photos and the next, you don’t have enough space to pirate Drake’s new album. Macs have the power to store tons of virtual necessities, so where did all that storage go?

Disk Inventory X is a free disk usage utility for OS X. It displays your disk’s contents using treemaps, so you can visualize exactly how much space your Drake obsession is costing you and which forgotten files you may want to delete. The utility is a great tool for managing storage—here’s how to use it:

Install Disk Inventory X

The program is free to download here.

Choose a volume to inspect

You can choose to visualize your computer’s disk or any drive connected to it, as well as any individual folders within that space.

Open the volume…

Loading might take a few moments, depending on how big the volume is. Once loaded, it will look like this:

As you can see, the program splits your files into groups and color-codes them. Fancy, right? Let’s go into more detail:

Hover over squares to see which files they represent:

Click to show the file in the drop-down on the left, which is organized by most-to-least space used.

Or, use the drop-down to explore:

The selection box is organized by most-to-least storage taken up. (As you can tell, I’m a fan of Arcade Fire) The information box goes into more detail regarding your selection. Clicking on a folder or file highlights it on the map.

Make an informed decision about how to clean up your disk.

What will be the first to go—your “Cute Animals” folder or Katy Perry discography? The choice is between you and Disk Inventory X.

(Of course, if you can’t bear to part with any of your files, you could always invest in a TarDisk!)

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