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

OnyX for Mac

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OnyX 2.8.3

  -  12.69 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 2.8.3.


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 2.8.3

  • OnyX 2.8.3 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    OnyX 2.8.3 Screenshot 1
  • OnyX 2.8.3 Screenshot 2
  • OnyX 2.8.3 Screenshot 3
  • OnyX 2.8.3 Screenshot 4

What's new in this version:

- Deleting the logs improved
- Deleting the diagnostic reports improved
- New option: Change notification’s display delay
- New option: Show/hide the iBooks Debug menu
- New option: Turn on/turn off the interface Leopard style
- New option: Tone down the Dock's opaqueness
- New option: Turn on/turn off the Safari Debug menu
- Color Picker application added in the Utilities > Applications pane
- Some bugs corrected
- Parameters pane improved
- Added preference to display OnyX messages in the Notification Center
- New version of sqlite3
- Chinese Simplified translation added
- Trash tab temporarily deleted
- Trash Option temporarily deleted in the Automation pane

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