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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 3.2.2:
  • Deleting the logs improved
  • Deleting the system archived logs improved
  • New replacement icons
  • Integrates new version of Network Link Conditioner
  • Integrates version 3.15.2 of SQLite 3
  • Slideshows added in the Animated desktop background option
  • Misc. minor corrections
  • Help improved and reindexed


  • macOS 10.12 or later

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4.5 993


Current Version (3.x)


Downloads 4,794,859
Version Downloads 10,302
License Free
Date 02 Jan 2017
Platform Intel 64 / OS X
Price Free
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