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OnyX is a multifunction utility that you can use to verify the startup disk and the structure of its system files, to run miscellaneous maintenance and cleaning tasks, to configure parameters in the Finder, Dock, Safari, and some of Apple's applications, to delete caches, to remove certain problematic folders and files, to rebuild various databases and indexes, and more.

What's New

Version 3.2.3:
  • Bug corrected that occurred when displaying the menu-bar icons
  • Deleting the Internet cache improved
  • Deleting the temporary items improved
  • New option: Dwell Control menu-bar icon
  • New option: Keychain menu-bar icon
  • Fax menu-bar icon removed
  • HomeSync menu-bar icon removed
  • Icon previews added to the menu-bar icons


  • macOS 10.12 or later

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4.6 994


Current Version (3.x)


Downloads 4,808,654
Version Downloads 10,046
License Free
Date 05 Feb 2017
Platform Intel 64 / OS X
Price Free
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