How to Clean & Optimize Mac to Speed up Performance

clean-optimize-mac

Last updated on May 3rd, 2025 at 7:27 am

If you are short on time:

Manually cleaning disk storage could be an option, but it consumes a lot of time & efforts. To save time and get accurate results, it is always suggested to use the best Mac cleaner software. These smart cleaning software helps you clean & optimize Mac to speed up performance. One such tool is CleanMyMac X that offers advanced cleaning modules to free up disk space on Mac. You can download this powerful Mac cleaner now:

Overview

If your Mac is running slow, then it is time to clean & optimize it for better performance. The primary reasons behind sluggish Mac performance could be over occupied disk space, software & hardware issues, malware issues, and device settings issues. Now that we know over occupied disk space is one possible reason behind slow system performance, you should consider cleaning & optimizing  disk storage for seamless Mac performance. 

What is the solution to clean disk space in Mac?

As we have discussed, using the best Mac cleaner software is the easiest & safest solution to boost Mac performance, next thing you should try is manual cleaning. In this article, we have discussed multiple ways to clean & optimize Mac following built-in features & utilities.  

Ways to Disk Clean up & Optimize Mac

The primary steps to clean Mac includes cleaning up disk storage using built-in features, emptying Trash, uninstalling unnecessary apps & programs, managing login items, and cleaning cache files. Let’s discuss more methods here. 

Step 1: Clean up Disk Storage

If you are on macOS Sierra or later versions, then you find a built-in feature to check and manage storage space effortlessly. It helps you check total occupied disk space and also helps you manage it. To free up disk space in Mac, select Apple Menu and go to About This Mac > Storage. Here, you can hover over these pointers to check space occupied by them.

Clean up Disk Storage

Now to free up disk space in Mac, click on Manage button. Now you will find different recommendations to clean & optimize Mac for better performance. It also helps you move your files to iCloud and save space on the local storage driver.

free up disk space Mac

Here, you will find four options to optimize your storage. If you have already turned on some recommendations, then you will see fewer recommendations. These four recommendations include:

  • Store in iCloud to move your data to iCloud
  • Optimize Storage to remove unnecessary junk from Mac
  • Empty Trash Automatically to remove Trash items automatically after 30 days
  • Reduce Clutter to manage and delete data that is no longer needed.

Now if you find manual cleaning tool complicated task, then we suggest using the best Mac cleaner tools. Working on advanced algorithms, CleanMyMac X helps you clean & optimize Mac to speed up performance. It is compatible to all Mac versions. If you are looking for a complete set of cleaning & optimization tools, then consider Setapp to boost your productivity.

Important features of CleanMyMac X

  • It helps you remove unused apps.
  • You can use CleanMyMac X to empty out the Trash.
  • You can compress old files to free up disk space.
  • It helps you clean system logs, temporary files, and old iOS backups.
  • You can run disk utility to verify and repair Permissions.
  • It helps you protect your Mac from malware threats.

Step 2: Empty the Trash

Whatever you delete on your Mac goes directly to the Trash folder. It remains here occupying valuable storage space, until you empty Trash folder or you have set it to clean automatically after specified time. To empty Trash, follow these steps:

  • Click and hold on the Trash can icon in the Dock.
  • Click Empty and then Empty Bin when prompted.
Empty Bin

Step 3: Remove obsolete old Mail Attachments

If you have mistakenly downloaded mail attachments such as images, documents, etc. on your Mac, then it is time to get rid of it to free up valuable disk space. To do this, press Command + Space to make the search field appear. Here, you need to type Mail Downloads to check these obsolete downloads in the Mail Downloads folder. Now open the folder and find & delete all junk files.

Step 4: Uninstall Unnecessary Apps

This is another effective step to clean and optimize Mac to speed up performance. You install a lot of apps over a period of time and stop using many of them after some time. To uninstall unnecessary apps on Mac, follow these steps:

  • Open Finder and select Applications.
  • Select the app that you want to delete.
  • Once selected, press Command + Delete.
  • Now open Trash and Empty it to remove the app completely.

Even though the app is uninstalled, still there remain certain associated files of the app on your system. It not only occupied valuable disk space, but it also affects your system performance negatively. To get rid of this digital junk, you can consider using CleanMyMac X for deep cleaning.

Step 5: Manage Login Items

A lot of applications run during startup unnecessarily causing long boot time. You can remove these applications from login items to save system resources. To do this, follow these steps:

  • Go to System Preferences > Users & Groups.
  • Select your nickname on the right.
  • Select Login Items tab.
  • Select the program that you want to remove.
  • Once selected press the “-“ sign below.

Step 6: Clear Cache

Cache files accumulate in tons on your system and occupy GBs of disk space. To delete user cache files on Mac, follow these steps:

  • Select Go to Folder in the Go menu in Finder.
  • Now type ~/Library/Caches and hit enter.
  • Now copy all the content from here to different folder in case you need it later if something goes wrong.
  • Next is to open each folder and clean out everything from it.

Note: Remember you need to clean content within the folders not the folders itself.

Next, you need to repeat the same steps above, by substituting:

~/Library/Caches with /Library/Caches

Once done empty the Trash and restart your Mac. Now your system will create fresh cache files.

Step 7: Delete old DMGs

Disk Image files are next space hogs that occupy a lot of space. To clean these unnecessary junk files, open Finder, type disk image and press Enter. On the window that appears, you need to delete all files with .dmg extension. Once done, empty your Trash.

Step 8: Remove Duplicates and other Junk Files

The last step you should follow is to delete other junk files on your Mac. It may include duplicate files, old iOS backups, obsolete large files, old downloads, and more. To delete old iOS backups, go to Apple menu > About This Mac > Storage. Click the Manage button and select iOS files. Next is to select the old backup files that you wish to delete and click Delete.

If you are looking for instant results, you can use Gemini 2 that helps you find & delete all duplicate files automatically. You can use this app to recover disk space instantly.

To delete other junk files, you can always use CleanMyMac X. If you are on Windows, you can try CleanMyPC that is also offered by MacPaw.

Conclusion

Now this was a quick discussion on how to clean & optimize Mac to speed up performance. Do try these steps and don’t forget to share your experience in the comments below.

Author Bio:

Dinesh Lakhwani

Dinesh Lakhwani, the entrepreneurial brain behind “TechCommuters,” achieved big things in the tech world. He started the company to make smart and user-friendly tech solutions. Thanks to his sharp thinking, focus on quality and the motto of never giving up, TechCommuters became a top player in the industry. His commitment to excellence has propelled the company to a leading position in the industry.

Popular Post

Recent Post

Top 15 Microsoft Defender Tips And Tricks [2025]

By TechCommuters / May 14, 2025

Microsoft Defender is a powerful security tool built into Windows. It protects your computer from viruses, malware, and other online threats. Many people don’t realize how capable this free security solution has become in recent years. Microsoft Defender tips and tricks can transform your PC security experience. The built-in protection has evolved from basic antivirus […]

6 Best Windows Defender Settings For Security

By TechCommuters / May 12, 2025

Protecting your computer is more crucial than ever. Cyber threats lurk everywhere, aiming to steal your data. Windows Defender provides solid security, yet many users overlook its most effective settings. Windows Defender has become a strong security solution, offering features once exclusive to paid software. With the right settings, you can enhance your protection at […]

How To Fix MSMPeng.exe Antimalware Service Executable High CPU

By TechCommuters / May 10, 2025

Is your computer running slow? Is your fan making loud noises? You might be facing the msmpeng.exe antimalware service executable high CPU problem. This is a common issue. The msmpeng.exe process can sometimes use too many of your computer’s resources. This makes everything else run slowly. Many people get frustrated when they see msmpeng.exe antimalware […]

Top Ways To Protect Windows From Malware

By TechCommuters / May 8, 2025

Keeping your Windows computer safe is crucial, don’t you think? The internet is full of risks that can harm your device. But knowing how to protect your system from malware can save you from major headaches. Every day, thousands of new malware threats surface, putting unprotected computers at serious risk. Malware is harmful software designed […]

How To Uninstall Third-Party Antivirus Software on Windows: Complete Removal

By TechCommuters / May 5, 2025

Removing antivirus software from your Windows computer can sometimes be tricky. Isn’t it?  Well, many third-party antivirus programs embed themselves deep in your system. They don’t always uninstall completely with regular methods. Don’t worry. This guide will help you fully remove any antivirus software from your Windows PC. When you need to uninstall third-party antivirus […]

Top 10 Free Antivirus for Windows PC/Laptop for Virus Protection

By TechCommuters / May 1, 2025

Agree or not, your Windows PC or laptop needs strong virus protection. The best free antivirus for Windows PC can keep your data safe without costing you money. Computer virus protection is not just an option – it’s a must for everyone who uses a computer. Many people think they need to pay for good […]

Everything You Need To Know About Universal Graphic Driver | Pros, Cons, Tips & More

By TechCommuters / April 29, 2025

Outdated graphics drivers can cause visual hiccups, poor performance, and incompatibilities with the newest software in today’s tech environment. Updating your drivers regularly is essential for preserving system stability and maximizing the capabilities of your hardware. With the potential to streamline driver management across various platforms and devices, universal graphic drivers have become a ground-breaking […]

How To Update Video Drivers on Windows 11/10: Complete Guide (2025)

By TechCommuters / April 25, 2025

Is your game experience simply dragging? Are you having problems with your display or graphical lag? Video drivers that are out-of-date or corrupt are frequently the cause. Thanks to these crucial software elements, your operating system and apps can interact with your graphics card more efficiently. It is, therefore, essential for every PC user to […]

Acronis True Image Cyber Protection: Complete Review

By TechCommuters / April 22, 2025

Data protection is more important than ever. Our computers and devices hold precious photos, important documents, and work files that we can’t afford to lose. Hackers, system crashes, and accidental deletions pose real threats to our digital lives. This is where backup and protection software becomes essential. Acronis True Image Cyber Protection stands out in […]

How to Update Display Driver on Windows 11/10 [Easiest Ways]

By TechCommuters / April 18, 2025

You might already be aware that between your graphics card and Windows OS, your display driver serves as an essential channel for communication. A driver that is out of date or corrupt can cause several annoying problems, ranging from slow performance and visual abnormalities to complete system instability. Maintaining the most recent versions of your […]