Disk Inventory X
Disk Inventory X: A free, open-source Mac utility for visualizing storage use by folder and file kind. Ranked #94 of 104 in Disk Space Analyzers by our editors (3.0/10); pricing: Free plan; best for free Mac treemap and file-kind analysis.
At a glance
- Editor score3.0 / 10
- PricingFree plan
- Best forFree Mac treemap and file-kind analysis
- Free planYes
- Paid fromFree
- Desktop platformsmacOS
- Facts checked23 Sep 2026
Where it wins
- Treemap shows storage use proportionally across files and folders
- Synchronized hierarchy, treemap, and file-kind views
- Search, inspection, mounted-volume scanning, and Trash actions
Where it doesn't
- Available for macOS only
- Interactive analysis is prioritized over report export
- Original 1.3 build targets macOS 10.13–10.15
Our verdict on Disk Inventory X
Disk Inventory X is a free, GPL-licensed macOS utility for understanding how storage is distributed across files and folders. Its treemap visualization gives larger areas to larger items, while synchronized hierarchy, treemap, and file-kind views provide several ways to examine the same storage layout. It suits Mac users who want a visual disk audit, including people investigating large folders, reviewing mounted volumes, or locating files by kind.
Its standout feature is the combination of treemap exploration and file-kind analysis. Sortable file-kind statistics show how storage is divided by type, and a selection list can display files of a chosen kind or all kinds. Search within that list narrows the view, while the inspector provides detailed information about a selected file or folder. Folder zooming and refresh operations support focused exploration, and selected files or folders can be moved to Trash.
Disk Inventory X keeps its scope narrow: storage visualization and inspection on macOS. It can scan folders and mounted volumes, but it does not extend to cross-platform use or AI-assisted analysis. The original project lists version 1.3 for macOS 10.13–10.15, while a separate community revival provides Disk Inventory Xs for Apple Silicon Macs. Choose it if you want free, open-source, visual disk analysis on a Mac. Consider an alternative if you need broader platform coverage, report-oriented workflows, or installed-application size reporting.
Your product? Our editors can test Disk Inventory X in depth and publish a review, labelled as paid · from $149/mo →
Disk Inventory X pricing
Disk Inventory X fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Desktop platforms | macOS |
| Treemap view | Yes |
| Application sizes | Not verified |
| File-type breakdown | Not verified |
| External drive scans | Not verified |
| Exportable reports | Not verified |
| Scan scope | Not verified |
| Deployment | Desktop |
| Platforms | macOS |
| Built for | Solo (editorial estimate) |
| Pricing | Free plan |
| Website | diskinv.github.io |
| Facts checked | 23 Sep 2026 |
Alternatives to Disk Inventory X
- TreeSizeA broad Windows analyzer with strong free features and tiered automation tools.9.3
- WinDirStatA classic Windows analyzer with treemaps, file breakdowns, duplicate detection, and CSV export.9.1
- FilelightA free, open-source disk analyzer with strong KDE integrations and ring-based visuals.9.0
See all Disk Inventory X alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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