1. Mac
2. Utilities & Operating Systems
3. Maintenance & Optimization
4. Disk Diag Download

Quickly discover and clean up unneeded files.

Disk Diag Editor's review

Disk Diag allows you to quickly scan your hard drive and check for files that can be deleted to free up space, a very useful tool for Macbook Airs or older Macs with limited space. While it doesn't offer more advanced tools for cleaning up hard drives, the interface is very clean, and you can find everything you need in just a couple of minutes rather than waiting for a 30+ minute scan.
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