Summary: Still worry about your insufficient Mac storage? Want to speed up Mac but don't know how? Get the 6 free Mac cleaners to clear disk space, clean junk or duplicate files to free up your Mac.
Many of us know exactly how to clean Windows computer or Android phone, but when it comes to cleaning Mac, few people know about it. Many Apple users think that, there is no need to clean Mac.
Free Mac cleaner? So what can you do if your Mac starts slowing down? A free Mac cleaner is definitely a great place to start! Before we get onto that, here are 5 things that can slow down your Mac and what you can do to fix it. A full hard drive. A Mac that gets a lot of use can easily stack up programs and files that take up space. Magoshare AweUninser for Mac is the safe and efficient free Mac uninstaller to completely uninstall applications and software on your Mac. It not only can quickly uninstall unwanted applications, but it also can remove all related files including logs, junk files, register files, and other leftovers. The cleaner wants you to install additional software programs to clean Mac of junk files. The cleaner aggressively pushes a subscription or premium license. If you stick to the top 10 best free Mac cleaners described in this article, then you shouldn’t run into any of these issues.
However, with more and more junk files occupying your Mac storage, your Mac will slow down and offer a bad performance. You have to rely on some Mac cleaner software to remove all useless data.
Best Free Mac Cleaners
With so many Mac cleaner tools offered on the market, which one you should use? Do you know how to choose a great Mac cleaner? We have tested more than 20 Mac cleaners and select the 6 best ones for you to choose from. You can pick your preferred Free Mac cleaner to speed up your Mac easily and quickly.
No.1 Free Mac cleaner: CCleaner - Free junk file cleaner
CCleaner is one free and top Mac cleaner to delete cookies, search history, temporary files and junk files from Mac. The specific functions are below:

1. Find and remove useless/junk files with the click of a button so your Mac can run faster. Speed up boot times with easy management of Startup items.
2. Clear up your recycle bin, temporary files and folders, broken permissions and others. If you want to remove installed programs, just click one button.
3. Erase your browser search history and cookies so you can browse any Internet confidentially and your identity remains anonymous.
No.2 Free Mac cleaner: Disk Inventory X – Free disk cleaner for Mac
Disk Inventory X is one disk cleaning software and disk usage utility for Mac. With this free Mac cleaner, you can know where your disk space has gone and clean it safely. Just see more about Disk Inventory X.
1. Disk Inventory X shows the sizes of files and folders in a special graphical way.
2. With this Mac cleaner, you can see different files marked with different colors, to help you easily find what you want to delete.
No.3 Free Mac cleaner: AVG Cleaner – Free hidden clutter cleaner

Mac Cleanup Tool
AVG Cleaner is one free Mac cleaner to clean hidden clutter and forgotten duplicates. You can see the detailed information below:
1. Clear more hidden garbage, log, download history and trash bin for freeing up more space on your Mac.
2. Search more duplicate files, including images, music, videos and folders.
3. Created for Mac and easy to use.
4. There is an anti-virus software called AVG AntiVirus for Mac, you can use it to protect Macs on your and your families.
No.4 Free Mac cleaner: OmniDiskSweeper - Free hard drive cleaner
OmniDiskSweeper is one free Mac cleaner to find and delete big files that taking up hard drive space and also it can help you recover lost disk space.
1. OmniDiskSweeper helps you sort every file on your Mac by size and you can identify the biggest file to delete it.
2. After deleting, remaining space and folders are recalculated.
No.5 Free Mac cleaner: Dr. Cleaner – Free memory, disk, system cleaner
Dr. Cleaner is one free Mac cleaning app to offer Memory Optimization, Disk Cleaning and System Monitoring to keep your Mac optimized for the best performance.

Freeware Mac Cleaner
1. Smart and accurate selection for duplicates scan and remove on Mac with OS X 10.6.6 or later.
2. Scanned big files and junk files will be deleted easily from your Mac.
3. You can easily view real-time network usage and CPU usage in the Menu bar.
No.6 Free Mac cleaner: Disk Drill
Disk Drill is one very popular free Mac cleaner app. Actually, it is a professional data recovery tool for Mac, which carries some disk cleaning functions. It has the capability to analyze Mac storage space, locate unused, large, and duplicate files and so on. In this way, it enables you to free up your Mac storage effortlessly.
1. Monitor the health of your Mac storage and offer timely alerts.
2. Find and remove duplicate files in multiple locations on Mac.
3. Analyze disk space, locate unused files and space hogs, free up storage.
Professional Mac cleaner recommendation:
With the best 6 Mac cleaner apps above, you can handily remove some junk files and optimize your Mac performance. But some of them only offer trial features. Here you are recommended to directly choose the professional Mac cleaner below:
Mac CleanerFree Mac Cleaner Program
- Scan and delete junk files including cache data and logs, email attachments, unwanted iTunes backup and app localization.
- Delete large and old documents and selectively remove worthless files.
- Clean duplicated files or folders on Mac.
- Uninstall apps and clean associated files safely.
- Monitor Mac system in disk utilization, battery status, memory performance and CPU usage.
- Compatible with iMac, Mac Pro, MacBook (Air/Pro) in the latest macOS Monterey.
FAQs of Free Mac Cleaner
How do I clean and optimize my Mac?
Download and install Aiseesoft Mac Cleaner. Click Cleaner and you can clean up your Mac by cleaning system junk, iPhoto junk, email junk, similar photos, iTunes junk, trash bin, large & old files and more.
Why is my Mac so slow?
The reason that why is your Mac so slow may includes there is no enough hard drive or RAM on Mac. Or there is too many startup items or icon clutter on desktop. Perhaps your macOS is outdated and you should update it.
Does Catalina slow down your Mac?

No. Catalina won’t slow down an old Mac. You can check to make sure if your Mac is compatible with macOS Catalina.
By now, 6 free Mac cleaners have been shared here. You can choose your preferred Mac cleaner according to your need. Please share it in comment if you have any better Mac cleaner recommendation. Check ere if you want to speed up your slow iPhone.
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December 29, 2020 17:50 / Updated by Louisa White to Mac Cleanup
Mac OS X Lion (version 10.7; marketed as OS X Lion) is the eighth and current major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers.
A preview of Lion was publicly unveiled at Apple's 'Back to the Mac' event on October 20, 2010. It brings many developments made in Apple's iOS, such as an easily navigable display of installed applications, to the Mac, and includes support for the Mac App Store. On February 24, 2011, the first developer's preview of Lion was released to subscribers of Apple's developers program. Other developer previews were subsequently released, with Lion Preview 4 being released at WWDC 2011.
Lion achieved golden master status on July 1, 2011, followed by its final release via the Mac App Store on July 20, 2011. Apple reported over 1 million Lion sales on the first day of its release. As of October 2011, Mac OS X Lion has sold over 6 million copies worldwide.
Like PC, Mac also needs regular cleanup. The purpose of course is to make our Mac work smoothly and efficiently. Windows users have it very easy because they have Ccleaner. For those who are very familiar of Ccleaner, it's a free utility software that clears all unnecessary junk files to free up hard disk space, especially cache files or temporary internet files. These types of files literally take over your disk space so they need to be disposed, and that is what Ccleaner is for. Luckily, Mac users can use free Mac cleaner - EaseUS CleanGenius to clean your Mac junk files and free up disk space to boost the Mac's speed and improve its system performance.
Mac cleaner software - EaseUS CleanGenius
EaseUS CleanGenius is a free Mac cleaner software for Mac OS X 10.7 and later. All types of Mac machine are supported like Mac Mini, Macbook Air, Macbook Pro, iMac, Mac Pro. It provides the following features:
Fast clean: EaseUS CleanGenius offers an easy way to clean the system caches, system logs, user logs, user caches, system junk files, user downloads folder, trash, Safari internet cache and more just by one click. It thus offers an easy way to keep your Mac clean and healthy and lets it run smoother and faster.
App uninstall: EaseUS CleanGenius also offers applications uninstall. When you drag an application to the Trash, its preferences, cache and log files still remain on your drive and waste valuable disk space. With EaseUS CleanGenius, you can completely remove applications and their associated files.
Disk space monitor: Show disk space and warn you when disk space is running low so that you can clean your Mac in time to free up more dissk space.
Disk ejector: Safely eject your mounted drives, such as external storage disks, CD and DVD disks, SuperDrive, network storage, disk images.
Browser Plug-ins Cleanup: Support to clean up and remove browsers such as Safari, Chrome or Firefox plug-ins, cache and cookies. Your browsing histories, bookmarks and downloaded files won't be cleaned.