You can use to verify the startup disk and the structure of its system files

OnyX for Mac

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OnyX 3.1.8

  -  31.63 MB  -  Freeware
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of OnyX 3.1.8.


For those interested in downloading the most recent release of OnyX for Mac or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


We would love to hear from you

If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download OnyX 3.1.8

  • OnyX 3.1.8 Screenshots

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    OnyX 3.1.8 Screenshot 1
  • OnyX 3.1.8 Screenshot 2
  • OnyX 3.1.8 Screenshot 3
  • OnyX 3.1.8 Screenshot 4

What's new in this version:

- Built with Xcode version 8
- Deleting the system archived logs improved
- Deleting the Internet cache improved
- Deleting the cookies improved
- New option to correct the localization of folders' names
- New option: Turn on/Turn off the graphic effect when showing Launchpad
- New option: Turn on/Turn off the graphic effect when hiding Launchpad
- New option: Turn on/Turn off the graphic effect when changing pages in Launchpad
- Integrates version 3.14.2 of SQLite 3
- Integrates new version of Network Link Conditioner

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