OnyX

What does Onyx for Mac do

OnyX is maintenance application that helps keep your Mac in tip top shape. It a multifaceted application that checks the health and structure of your Mac’s start-up disk. It is able to check the integrity of system files and take corrective action when issues are detected. It cleans cache files that slow your Mac over time, and cleans unwanted files and folders, rebuilds indexes and databases.

How to install Onyx on Mac

Each version of macOS has a specific version of Onyx. Trying to use a non-compatible version with the wrong version of Onyx will result in the application not working correctly.
Download the Onyx application version for your version of macOS.
Look in your Downloads folder and locate the downloaded installation file, then run it by double clicking on it.
Run through the installation steps.
The application is now installed.

Is Onyx safe to use on Mac

Yes, Onyx is very safe to use on your Mac. It gives users an easy way to clean up their own Mac without needing to learn how to enter in complex commands or call in someone else to do it for you. You can clean up unwanted system files and keep your operating system in good working order to keep things running along smoothly.

How to clean Mac with Onyx

Open the Onyx app by clicking on the installed Onyx icon.
Once open, click on the Maintenance tab.
Here you will be shown a list of terms under 3 categories: Rebuilding, Cleaning, Misc. options.
Cleaning options are available to clean System, Applications, Internet and Log messages and reports.
Select the items you want to clean, then click on ‘Run Tasks’.

How to use Onyx to make Mac faster

Open the Onyx app by clicking on the installed Onyx icon.
Once open, click on the Maintenance tab.
Go to the Cleaning section and the Misc. options sections and select the appropriate options.
Click on Run Tasks and allow the application to clear all the cache and log files that are slowing your Mac down.
Allow the Tasks to finish and restart your Mac.

How to uninstall Onyx from Mac

Make sure that you have closed Onyx completely.
Click on the Finder in your Dock.
Click on Applications in the Sidebar and find Onyx.
Right click on Onyx and then select Move to Trash.
Navigate to the Trash icon, right click on it and select Empty Trash.
Onyx has now been uninstalled from your system.

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User Ratings

Castle-Rose

May 26 2023

4.4.0

5.0

Version: 4.4.0

This is simply a MUST HAVE when you own a Mac. The best fix it utility when something isn't working and you're not sure why. I haven't worked on a Macintosh without it since Mac OS X 10.6.

ivryernest

Mar 28 2023

4.3.8

Version: 4.3.8

Merveilleuse application ! Chaque fois que je l'utilise, j'ai le sentiment d'avoir fait une bonne chose !

dandidcom

Jan 12 2023

4.3.5

Version: 4.3.5

Anyone know if there is a setting in the Ventura version of Onyx to STOP the system from creating 'versions' of a file? I have a 4Gb CAD file I'm working on that insist on Spinning beach ball saving (allegedly in the background) apx every 5 minutes and takes it 20 seconds to do, its super annoying slow down every few minutes. Check the file and the 'last saved' date keeps updating as it does it. If Drop box is running the problem test worse as it uploads each time, plus then downloads on all my other machines, its a royal P.I.T.A. ?

zlazkow

Jan 4 2023

today's version 4.3.5 is for Ventura Only! Does not install on Monterey. Application is greyed out and crossed out before dragging the icon into application folder.

Onyx is still the only tool you need to keep your Mac in tip-top shape! I'm using it since 2008.

Derekcurrie

Dec 21 2022

4.3.3

4.0

Version: 4.3.3

v4.3.3 is for macOS 13 Ventura ONLY. - - The latest version for macOS 12 Monterey is 4.2.6.

Baribeault

Nov 1 2022

4.3.0

1.0

Version: 4.3.0

I've been running OnyX for years and just ran the Ventura version on my M1 MBA. It ran for about 1/2 and stalled when rebuilding my Spotlight index. I needed to force quit and prayed nothing was messed up. So far, everything seems fine. So there are issues with this version.

mattofbass

May 26 2022

4.1.9

Version: 4.1.9

Will Onyx work with Mac M1 Thank You

tombrown1949

Apr 20 2022

4.1.8

Version: 4.1.8

I was having a problem with my mac and disk utility wasn't fixing it. I downloaded OnyX and after letting it run OnyX fixed my problem. Thanks!

jbrowaeys

Apr 15 2022

I get the message disk needs to be repaired running disk utility with OnyX 4.1.8 for macOS Monterey 12 but disk utility can't find anything

Satcomer

Apr 9 2022

4.1.7

Version: 4.1.7

Love this app! You guys are right on money!

mojo108

Jan 30 2022

4.1.5

Version: 4.1.5

Can you run OnyX on an external hard disk? My back up disk has corrupted and Disk Utility has failed to repair it!

Hydester

Jan 3 2022

4.1.4

Version: 4.1.4

My Mac was very laggy, especially when clicking on links to open in other apps. With some trepidation, I ran the maintenance schedule with default boxes checked. Got the spinning wheel of death after re-start. Left it a long time to do its stuff. Forced a restart and my Mac has been running *miles* better ever since. In short, it has worked brilliantly, but gave a nerve-wracking journey. I wouldn't have risked it if I hadn't done extensive back-ups on CCC & Time Machine. *MAKE SURE YOU USE THE VERSION FOR YOUR OS*

marcel52-1

Dec 25 2021

Runs only on OSX 12.x. There are many Mac users who still use version 11 or 10. This is not user friendly.

Midman46

Nov 7 2021

4.1.0

Version: 4.1.0

onyx 4.1.0 tells me that the startup drive needs to be repaired . disk utility says there is nothing wrong . i think a update is needed . I have been using onyx for years with no issue , this is my first comment .

nobody2011

Nov 1 2021

The link here on Macupcate.com is wrong, correct link is https://www.titanium-software.fr/download/12/OnyX.dmg

Macinman

Oct 31 2021

4.0.1

Version: 4.0.1

For those on Monterey, the Monterey version of Onyx is now available from the developer's website. I saw it tonight, and installed.

Oct 25 2021

4.0.0

Version: 4.0.0

v4.0.1 is out. It's what now downloads from the link above. "• Added option to turn on/turn off the expanded Save As dialog • Issue corrected that sometimes prevents launching the application • Deleting the junk items improved • Source code improved"

rengarcia7

Oct 24 2021

I cannot seem to install OnyX due to an error message I keep getting that reads: "The disk needs to be repaired". ' To repair your startup disk, restart your computer while holding down Command-R, then select Disk Utility.' " I've run disk repair from within Utility, but with no success.

Eric•Woehler

Jul 4 2021

3.9.7

Version: 3.9.7

5 star app, been using it for many years on laptops and minis - multiple generations of hardware and OSs. Excellent software, reliable and worth running about once/week to clear caches and reset various parameters not normally done by simple restart. Highly recommended! 5 stars - no hesitation!