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DiskWave is a free utility to help you determine where most of your hard drive space is consumed.

DiskWave was formerly known as WhichSize.

The program scans your hard drive to compute the size of all folders and sub folders. The results are stored in memory, which allows faster navigation than the built-in "compute all sizes" option in the Finder. You can easily identify useless directories and delete them.

What's New

Version 0.4.0:

New features:

  • Added support for scan complete Notifications on Mac OS X 10.8.
  • Removed some legacy code to support 10.5 and PowerPC and migrated to 10.6 SDK.
  • Removed support for WhichSize updates.

Bug fixes:

  • Fixed AddressBook console warnings when opening the "Add Location" file panel. This is caused by a class name collision.
  • more...


  • Mac OS X 10.6 or later
  • 64-bit processor

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Current Version (0.x)


Downloads 25,262
Version Downloads 14,098
License Free
Date 10 Aug 2012
Platform Intel 64 / OS X
Price Free
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