OnyX 3.3.9 – Maintenance and optimization tool.

OnyX 3.3.9

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.

Note:OnyX is a free application, you can go to the official website to download.

What’s New

Version 3.3.9:

  • Update routine improved
  • Deleting the Internet cache improved
  • Deleting the fonts cache improved
  • Reading information optimized
  • Many corrections and improvements made


macOS 10.12, 64-bit processor


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