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OnyX is a completely free Mac cleanup software. It makes it convenient to perform various maintenance and cleaning tasks on Mac. It helps in the accurate identification of problematic files and folders. Download the latest version of OnyX for Mac for free. Read 1284 user reviews and compare with similar apps on MacUpdate.
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OnyX is a utility with many facets, but its central role is to help you to take care of your Mac, ensuring the best possible performance. Starting off the package is a range of verification tools that can be used to check the status of your hard drives and ensure that the structure of your startup volume is correctly configured.
On the hard drive front, there are also a variety of cleanup tools that can be used to clean out unwanted files and claim back some space. By emptying caches, deleting temporary files and wiping out logs, it is possible to claw back many megabytes in a few easy steps.
With the ability to run scripts from within the program, and automate a range of tasks, including cleanup operations, OnyX can be largely left to its own devices once it has been configured to your liking.
Onyx Free Mac Cleaner
The program is a great alternative to working with a large number of individual utilities as it brings together a selection of handy tools into a single interface for ease of access. You can also use the program to access hidden parameters for Finder, the dashboard and other OS X components.
Verdict:
Whether you want to customise the operation of your Mac or help boost it performance while checking for problems, OnyX has all bases covered.
The reasons for purchasing cleaning software are multiple.
People who were using Macs for a long time remember the times when their computers didn’t work correctly in some cases, and they want to run maintenance scripts designed to fix those flaws.
People who don’t have enough space on their drives are looking for ways to clean unnecessary junk and claim the space it took. When there is a demand, there is a supply.
There is a great number of cleaning apps, both free andpaid. Among them, OnyX from Titan Software has the longest history (started in2003) and a very high reputation.
OnyX is a freeware utility for macOS developed by French software developer Joël Barrière. Users use the tool for maintenance and optimization and as a central control panel for configuration.
How to Install OnyX
On its main page, the Titan Software, the maker of OnyX and Deeper apps, warns users to download app versions for specific OS versions.
While most other apps usually forward compatible, the developer chose a different approach. Every time Apple comes with a new version of macOS (former OS/X), the developer releases a new version of their apps.
So, the first thing you need to know is the OS you arerunning on your computer. The easiest way to do is the following:
- Click on Apple icon in the menu bar (top left corner of the screen)
- In the drop-down menu click About This Mac menu option
- The first line in the pop-up screen is the name of the current OS.
- Now, when you know which OS is on the computer, go to the official site. Find the version of the app for your operating system and download it.
Note:only download the app from the french web site. There were cases when hackers infected the software with malware (see below) and placed it on other Mac software download sites.
Find the OnyX dmg file in the Downloads folder with the Finder and double click on the file.
Now, all you need to do is to drag the app to theApplications folder.
Like all other cleaning apps, OnyX requires Full Access tothe disk. Follow the instructions provided by the app and give access. Thisstep is safe.
OnyX Features
The app consists of four main groups. Let’s review each one.
Maintenance
The Maintenance group consists of several subgroups oftasks. Most of the tasks aimed to clean various things on Macs.
Verifying subgroup
The task in this subgroup can verify the structure of thefile system. Honestly, if you are having issues and suspect the problems withthe drive integrity, I’d suggest using the First Aid option in the built-inDisk Utility app.
It is also possible to delete local Time Machine snapshotsfrom this view, but I don’t see a good reason for it. macOS maintains snapshotswithout any problems.
Rebuilding subgroup
The LaunchServices rebuilding task is useful when the user installed and deleted a lot of apps. When the app gets deleted incorrectly (by moving to Trash), the file association still remains.
If you run this task, then all files will lose their associations with apps. So, the next time you double click on .docx file, the system will ask which app you want to use by default. And it will keep asking until all file extensions have corresponding default apps associated.
How useful this feature? I am not sure. If you have files associated with deleted apps, you can always change association in the Finder.
Spotlight index rebuilding may be useful when you often cannot find files on the disk. Once in a while, the Spotlight Search index can get out of sync, and in this case, it needs to be rebuilt. However, I have never needed to do it on any of my five Macs at home.
Rebuilding mailboxes in the Mail app can be useful if you are a Mail power user. If you are using the Mail app extensively, and you noticed that Mail is taking a lot of space and it became slower than rebuilding mailboxes is a good solution.
However, it is better to go directly to the Mail app, and in the menu, choose Mailbox -> Rebuild menu option. The result will be the same.
Rebuilding disk positions on the desktop is a funny option.It resets the disk positions from the Mac memory. I don’t know why anyone wouldneed this.
And finally, it is possible to rebuild dyld’s and XPS cache.If you don’t know what they mean and when they should be rebuilt, then don’trun them. I don’t.
Cleaning subgroup
This is probably the most sought after feature. It allowscleaning some junk from the disk and freeing some space. There are checkboxesto enable when cleaning System, Applications, Internet, and Log Messages. Thereis also the Options tab where one can further fine-tune and select which filegroups could be cleaned.
Generally, cache and log files are safe to delete. When the cache is deleted, the system may experience a temporary slowness while the new cache gets created.
How useful is the cache cleaning? As I mentioned, the cache will be recreated anyway, and in most cases, the space recovered after cleaning will be reclaimed by the new cache. So, in the grand scheme, the cleaning cache is useless.
The only time it makes sense when applications have trouble clearing their caches. So, I think cleaning it twice a year is more than enough.
Misc. options subgroup
This subgroup includes tasks that do not belong to subgroupsdescribed previously.
Maintenance scripts include daily, weekly, and monthly jobs that can also be accessed from the Utilities->Scripts section. There were times when macOS was periodically failing to run them, causing the logs to grow large and take too much space.
Those issues were fixed a long time ago, and if your Mac has the latest OS version running, then do not worry about running them manually.
Junk items task will clear files left from some malware and potentially unwanted applications. It’s interesting that OnyX still categorizes MacKeeper as PUP (potentially unwanted application) similar to some other antivirus apps. However, keep in mind that OnyX is not an antimalware program.
Cleaning Trash may not be a much-needed function. The only time this function is useful when emptying Trash cannot be done from the Finder because of system privileges.
In this case, OnyX could be a real help. It performs a secure delete (overwrites file contents three times, so the file cannot be restored later).
Deleting Fonts cache and Recent items will not provide anymeaningful space increase on the disk.
Utilities
The Utilities group provides easy access to severalfunctions on Mac in one place.
Just like its counterpart in the Maintenance group, the File System check task in Utilities will verify the structure of the file system after locking the entire drive.
During the process, you will not be able to do anything for a long time. So, be careful when invoking this function.
In the Time Machine subgroup, one can delete localsnapshots. However, I have doubts about the usefulness of doing so, since localsnapshots should automatically be dropped after 24 hours.
Manuals subgroup contains a list of UNIX commands with their descriptions. Those descriptions can be obtained when running commands with “–help” attribute in the Terminal.
The Applications subgroup provides shortcuts to some sectionin System Preferences.
Files
Use functions in the Files group to run various operationson files, folders, or disks.
Visibility subgroup
By default, macOS hides system files and folders on the disk. Usually, they have a dot as the first character in their names. In order to show/hide hidden files, use Command + Shift + dot (.) key combination.
To use this feature and hide the file, all you need to do is to change the file name and add a dot. For instance, when changing “NewFile.txt” to “.NewFile.txt” macOS will warn that the file will become hidden.
The Visibility subgroup does what I just described from UI.
Secure deleting
OnyX provides ways to delete files, folders, and Trash securely. When a user deletes a file, the contents of the files remain on the disk. Very often, the file can be recovered by using special tools.
In case of very sensitive information, use Erasing or Trash subgroups and use the Secure Delete option. In this case, the app will overwrite the disk sectors with random data three times to prevent the data from being recovered.
Other subgroups
Other subgroups in the Files group are very niche andaddress some rare problems. Read more about them in the documentation, but I amnot sure if 99% of users would ever need them.
Parameters
The Parameters group is designed to be all in oneconfiguration panel. For instance, from here, users can change:
- The default number of Recent items from 10 to another number
- Saving screenshots from PNG to another format, e.g., JPEG
- Remove Restart and Shut Down menus from the Apple menu bar
- Change the hover effect on Dock icons
- Set the lock screen message
While it may be fun to customize the way Mac operates, it ispossible to mess up the system with modifications completely. Fortunately,there is the Restore Defaults button, which supposed to rollback all parameterchanges.
Info
And finally, there is the Info group, which provides usefulinformation about Mac hardware and software.
How to Use OnyX For Mac
The first function I used with OnyX was supposed to make the least impact on my Mac. I wanted to clear Recent Items.
In the Maintenance tab, I unchecked all boxes except Misc. options -> Recent items.
Then I clicked on Run Tasks.
OnyX displayed to warnings: The computer needs to restart,and OnyX will quit all applications.
In both cases, I hit the Continue button.
The app quickly ran the script and rebooted my Mac. However, my laptop didn’t start. Instead, I’ve got dreaded Folder with Question Mark on the screen.
Fortunately, I knew how to solve the issue.
I rebooted my Mac again and held the Option key, and thenclicked on my Machintosh drive to start.
So, if you wonder how to use OnyX, let me state two rulesyou need to follow:
- Before making any changes, ALWAYS take a Time Machine backup. OnyX is a very powerful app that can do a lot of damage if used incorrectly. It’s a low-level tool, and it’s like a “rope long enough to shoot yourself in the foot.”
- Read the help about the function before invoking it.
Is OnyX for Mac Safe?
There are two parts to answer this question.
- Is OnyX malware or not?
- Is using OnyX can destroy the system?
The answer to the first question is yes; OnyX is safe to download and install. However, download from the official site only: https://www.titanium-software.fr/en/OnyX.html.
Never download software from sites such as MacUpdate, which often bundle Mac software with Adware. And sometimes, it may get even worse.
According to Malwarebytes, the OnyX download media from MacUpdate was bundled with malware. This malware turned Apple computers to bitcoin miner, so instead of doing what you want your computer would be busy with mining bitcoins for someone which resulted in the computer being unusable for the owner.
Onyx Mac App
The answer to the second question is it depends. OnyX app comes with a lot of options that could completely destroy the macOS.
In the hands of someone who doesn’t know UNIX on the expert level, the tool is very dangerous. And in most cases, the novice users may have to reinstall the OS in order to go back to the normal state.
OnyX vs. CleanMyMac
Comparing OnyX and CleanMyMac is like comparing apples and oranges. The apps provide mostly different functionality.
The only intersection is the Cleaning part. Both apps allow for cleaning fonts, caches, and logs.
In this area, CleanMyMac X does a better job by displaying more granular information without overwhelming users with low-level information. Also, explanations in CleanMyMac X when to invoke certain tasks are much clear compared to OnyX.
Bottom line:If you are looking for cleaning software, go with CleanMyMac. Users with expert knowledge of macOS would be better with OnyX.
How to Uninstall OnyX correctly
Do not remove OnyX by moving the app to Trash. When the app starts, it creates a number of files in various folders, which will stay there forever in this case.
If you have CleanMyMac X, then use it to uninstall OnyX. Otherwise, download the AppCleaner and use it to delete any app on Mac.
OnyX for Mac Review: Takeaway
Onyx For Mac Free Download
Pros
Onyx Freeware Mac
- The main plus of OnyX is its price: it’s free, unlike other similar applications. However, the developer appreciates donations.
- Also, the program has been created and maintained since 2003. So it is stable and mostly bug-free.
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Cons
Titanium Software Onyx
- Since OnyX provides access to a lot of low-level functions, it is expected the users must be above-average when it comes to the macOS knowledge.
- It is possible to mess up the system completely, so taking backups before making any changes is highly suggested.
- The app contains a set of scripts and tasks which were needed in older versions of Macs. Many of them became obsolete in newer macOS versions.