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OnyX for Mac

Maintenance and optimization tool.

Free
In English
4.4
Based on 739 user rates

OnyX overview

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 in version 4.5.9

  • Issue corrected in the authentification dialog
  • Deleting the application caches improved
  • Deleting the screen recordings improved
  • Applications pane in the Utilities toolbar item improved
  • Added PSD format in the screen capture file type
  • Miscellaneous corrections and improvements made
View older OnyX versions

FAQ

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
  1. 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.
  2. Download the Onyx application version for your version of macOS.
  3. Look in your Downloads folder and locate the downloaded installation file, then run it by double clicking on it.
  4. Run through the installation steps.
  5. 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
  1. Open the Onyx app by clicking on the installed Onyx icon.
  2. Once open, click on the Maintenance tab.
  3. Here you will be shown a list of terms under 3 categories: Rebuilding, Cleaning, Misc. options.
  4. Cleaning options are available to clean System, Applications, Internet and Log messages and reports.
  5. Select the items you want to clean, then click on ‘Run Tasks’.
How to use Onyx to make Mac faster
  1. Open the Onyx app by clicking on the installed Onyx icon.
  2. Once open, click on the Maintenance tab.
  3. Go to the Cleaning section and the Misc. options sections and select the appropriate options.
  4. Click on Run Tasks and allow the application to clear all the cache and log files that are slowing your Mac down.
  5. Allow the Tasks to finish and restart your Mac.
How to uninstall Onyx from Mac
  1. Make sure that you have closed Onyx completely.
  2. Click on the Finder in your Dock.
  3. Click on Applications in the Sidebar and find Onyx.
  4. Right click on Onyx and then select Move to Trash.
  5. Navigate to the Trash icon, right click on it and select Empty Trash.
  6. Onyx has now been uninstalled from your system.

OnyX for Mac

Free
In English
Version 4.5.9
Try our new feature and write a detailed review about OnyX

What customer like

Customization
Stability
Performance

What needs improvements

Support
Regular updates

OnyX qualities

Value
4.7
Ease of use
4.2
Features
4.7
Reliability
4.7
Customer support
4.0

Write your thoughts in our old-fashioned comment

MacUpdate Comment Policy. We strongly recommend leaving comments, however comments with abusive words, bullying, personal attacks of any type will be moderated.
4.4

(1306 Reviews of OnyX)

  • Comments

  • User Ratings

tjohnston23
tjohnston23
May 16 2024
4.5.7
0.0
May 16 2024
0.0
Version: 4.5.7
I had to reload the program and I lost the option to delete my imessages and empty my trash. the dashboard is completely different from what I previously had. I am using version 4.5.7.
ERNEST UNGUREANU
ERNEST UNGUREANU
Mar 11 2024
4.5.6
5.0
Mar 11 2024
5.0
Version: 4.5.6
La meilleure (et de loin) application de ce genre !
Derekcurrie
Derekcurrie
Oct 14 2023
4.5.1
4.0
Oct 14 2023
4.0
Version: 4.5.1
v4.5.1 is ONLY for macOS 14.x Sonoma. The 13.x Ventura version is currently v4.4.4, available at the dev site.
Castle-Rose
Castle-Rose
May 26 2023
4.4.0
5.0
May 26 2023
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.
ERNEST UNGUREANU
ERNEST UNGUREANU
Mar 28 2023
4.3.8
5.0
Mar 28 2023
5.0
Version: 4.3.8
Merveilleuse application ! Chaque fois que je l'utilise, j'ai le sentiment d'avoir fait une bonne chose !
DFlow
DFlow
May 20 2024
4.5.7
5.0
May 20 2024
5.0
Version: 4.5.7
ERNEST UNGUREANU
ERNEST UNGUREANU
Mar 11 2024
4.5.6
5.0
Mar 11 2024
5.0
Version: 4.5.6
tjekov37
tjekov37
Nov 13 2023
4.5.2
3.0
Nov 13 2023
3.0
Version: 4.5.2
Satcomer
Satcomer
Oct 30 2023
4.5.2
5.0
Oct 30 2023
5.0
Version: 4.5.2
mo dape
mo dape
Oct 30 2023
4.5.2
5.0
Oct 30 2023
5.0
Version: 4.5.2
lfwx
lfwx
Oct 5 2023
4.5.0
5.0
Oct 5 2023
5.0
Version: 4.5.0
Tony-Aguila
Tony-Aguila
Oct 2 2023
4.5.0
5.0
Oct 2 2023
5.0
Version: 4.5.0
tomowawa
tomowawa
Sep 15 2023
4.4.2
5.0
Sep 15 2023
5.0
Version: 4.4.2
paveltrojak
paveltrojak
Sep 12 2023
4.4.2
5.0
Sep 12 2023
5.0
Version: 4.4.2
kom
kom
Jul 26 2023
4.4.1
5.0
Jul 26 2023
5.0
Version: 4.4.1
Aeschylus
Aeschylus
Jul 12 2023
4.4.1
5.0
Jul 12 2023
5.0
Version: 4.4.1
Castle-Rose
Castle-Rose
May 26 2023
4.4.0
5.0
May 26 2023
5.0
Version: 4.4.0
iLeopard
iLeopard
Apr 30 2023
4.3.9
5.0
Apr 30 2023
5.0
Version: 4.3.9
LKN G-Man
LKN G-Man
Mar 17 2023
4.3.7
5.0
Mar 17 2023
5.0
Version: 4.3.7
MQLe
MQLe
Mar 16 2023
4.3.7
5.0
Mar 16 2023
5.0
Version: 4.3.7
BillL3505
BillL3505
Jan 30 2023
4.3.6
5.0
Jan 30 2023
5.0
Version: 4.3.6
didifri
didifri
Jan 30 2023
4.3.6
5.0
Jan 30 2023
5.0
Version: 4.3.6
mfosgate
mfosgate
Dec 22 2022
4.3.4
5.0
Dec 22 2022
5.0
Version: 4.3.4
Baribeault
Baribeault
Nov 1 2022
4.3.0
1.0
Nov 1 2022
1.0
Version: 4.3.0
Frankp
Frankp
Nov 1 2022
4.3.0
5.0
Nov 1 2022
5.0
Version: 4.3.0
RavenNevermore
RavenNevermore
Oct 26 2022
4.2.5
5.0
Oct 26 2022
5.0
Version: 4.2.5
Sigil
Sigil
Aug 13 2022
4.2.2
5.0
Aug 13 2022
5.0
Version: 4.2.2
xouzouras
xouzouras
Jul 23 2022
4.2.1
5.0
Jul 23 2022
5.0
Version: 4.2.1
Packshot
Packshot
Jun 23 2022
4.2.0
5.0
Jun 23 2022
5.0
Version: 4.2.0
ajsalz89
ajsalz89
Feb 27 2022
4.1.6
5.0
Feb 27 2022
5.0
Version: 4.1.6
Frank-O'Connor
Frank-O'Connor
Feb 20 2022
4.1.6
5.0
Feb 20 2022
5.0
Version: 4.1.6
Lightning
Lightning
Feb 19 2022
4.1.6
5.0
Feb 19 2022
5.0
Version: 4.1.6
Diefis
Diefis
Jan 27 2022
4.1.5
5.0
Jan 27 2022
5.0
Version: 4.1.5
wgite56
wgite56
Jan 3 2022
4.1.5
5.0
Jan 3 2022
5.0
Version: 4.1.5
Hydester
Hydester
Jan 3 2022
4.1.4
5.0
Jan 3 2022
5.0
Version: 4.1.4
caseworkz
caseworkz
Jan 3 2022
4.1.4
5.0
Jan 3 2022
5.0
Version: 4.1.4
marcel52-1
marcel52-1
Dec 25 2021
4.1.4
1.0
Dec 25 2021
1.0
Version: 4.1.4
baxsur
baxsur
Dec 9 2021
4.1.4
5.0
Dec 9 2021
5.0
Version: 4.1.4
Bbug
Bbug
Nov 21 2021
4.1.1
5.0
Nov 21 2021
5.0
Version: 4.1.1
bing-3
bing-3
Nov 6 2021
4.1.0
3.0
Nov 6 2021
3.0
Version: 4.1.0
micorp-2
micorp-2
Sep 23 2021
3.9.9
5.0
Sep 23 2021
5.0
Version: 3.9.9
erdember
erdember
Jul 14 2021
3.9.7
5.0
Jul 14 2021
5.0
Version: 3.9.7
Derekcurrie
Derekcurrie
Jul 4 2021
3.9.7
4.0
Jul 4 2021
4.0
Version: 3.9.7
danielmollerperia
danielmollerperia
Jun 13 2021
3.9.6
5.0
Jun 13 2021
5.0
Version: 3.9.6
Rachael74
Rachael74
Jun 2 2021
3.9.6
3.0
Jun 2 2021
3.0
Version: 3.9.6