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.

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.

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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

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.

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:

• 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

Clean up Gigabytes of Junk

MacBooster 8 scans every corner of your Mac and safely removes unnecessary files including 20 different types of junk listed below. Free up your Mac hard disk and give your more space to run your Mac smoothly. This is particularly helpful for Mac users with smaller SSD hard disks. Learn more >

Boost your Mac to peak performance

Mac gets slower and slower due to Mac disk issues. MacBooster 8 can optimize Mac hard disk and fix disk permission issues. Make sure your disk will always be the excellent status and boost your Mac to peak performance. Learn more >

Remove Malware and Virus

With greatly expanded virus and malware database, MacBooster 8 is the best anti-malware to keep your Mac away from virus, phishing attacks, spyware, malware, and all kinds of online threats while feeling safe about your personal data. Learn more >

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The Internet is something of a security minefield which is easy to get in trouble. The enhanced protection will clear the malicious tracking data to better protect your privacy and password for all kinds of accounts, leaving no rooms for all threats. Learn more >

Memory Clean to Speed Up Mac

Mac can slow down as more stuff is running in the system and the RAM is cluttering up. By using MacBooster 8 Memory Clean App, you can choose to close those apps taking up the memory and free up inactive memory for other tasks. Learn more >

MacBooster Mini Comes with Powerful functions

The MacBooster Mini, which is standing by at the menu bar, offers more than what you can imagine. It shows you the usage of the memory and the status of network and firewall. At the same time, it offers you one click to clean memory, Cache, trash and optimize DNS. With the Lightning Booster mode, it can provide you with a faster online surfing experience.

Speed Up Downloads Mac Os

More Amazing Tools Available

Startup Optimization

Manage your startup items to increase OS X boot speed

Performance Boost

Optimize your Mac and offer the fast speed

Large Files Cleaner

Find and remove large files for more space

Uninstaller

Remove unwanted apps with just one click

Macbook Slow

Memory Clean

Clean Mac memory to speed up

Duplicates Finder

Locate and smartly delete duplicates on Mac

User Review

Michael Kern

Got this product for my older mac to help speed it up. This product found errors and fixed them quickly and gave me the option to free up memory which greatly helped my aging mac function better.

Aaron Takizad

I've used MacBooster 8 on Mac OS X for several years and strongly recommend it. It's my all-in-one maintenance tool, keeping my machines constantly running like new.

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I'm an app junkie, and...I LOVE MacBooster! It actually makes cleaning up your mac FUN. It's EASY to use, It's super-FAST, & has a BEAUTIFUL interface.

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Great app. Excellent features. Keeps my mac up to speed and running beautifully always! Would definitely recommend

Mogens Bandholm

I’ve been using ASC for a number of years on my PC - and I missed it when I changed to MAC. But now I’m back on track again using a tool giving the optimal conditions run my MAC.

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William Cody Winter

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Finally Advanced SystemCare is here on OS X as MacBooster, so we can keep our systems optimised and clean.