Disk Inventory X
Disk Inventory X is a macOS disk usage utility that scans folders and volumes, then shows storage use in a visual treemap and sortable lists.
What is Disk Inventory X?
Disk Inventory X is a macOS utility for finding what is using space on your drive. It scans folders and volumes, then presents the results in a graphical treemap alongside file and folder lists so you can quickly spot large items. The app is useful for storage cleanup, troubleshooting low disk space, and understanding how space is distributed across a Mac. It includes sortable views, file-kind statistics, and commands to open items from the scan results. Disk Inventory X is published by Derlien and is designed as a focused desktop utility rather than a cloud service or background system tool.
Key features
- Scan folders and volumes to measure disk usage
- View storage distribution in a graphical treemap
- Sort files and folders by size in list views
- Browse file-kind statistics to find large categories of data
- Open scanned items from the results for closer inspection
- Refresh scans to update results after changes
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Safety overview
Status: Mostly safe
Disk Inventory X is a legitimate disk analysis utility for Mac, and reading file and folder sizes is normal for its purpose. Because it inspects storage contents, it may expose file names and locations while you use it, so avoid scanning sensitive areas when sharing your screen. Older releases from the publisher note that the app was not signed or notarized for at least one release, which can trigger a macOS warning on first launch. Download it only from the publisher's site and use it as a read-focused storage viewer unless you intentionally choose file management actions.
Recommendation: Keep Disk Inventory X if you use it to investigate low disk space or manage storage visually. If you no longer use it, you can remove it without affecting macOS, though you will lose its scan views and convenience for locating large files.
Common paths
/Applications/Disk Inventory X.app
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