CleanMyMac X: The Ultimate Mac Cleaner and Optimizer

Keeping your Mac clean and running smoothly is something every macOS user has to think about sooner or later. Over time, your system accumulates gigabytes of junk files, outdated caches, unused applications, and login items that silently slow you down. CleanMyMac X by MacPaw is the most popular and trusted Mac optimization utility on the market, designed to help you reclaim disk space, boost performance, and keep your Mac in top shape — all with a beautiful, intuitive interface.

In this guide, you will learn what CleanMyMac X can do for your Mac, how to and use its core features, and why millions of users consider it an essential part of their macOS toolkit. Whether you're a casual user or a power developer, CleanMyMac X has something genuinely useful to offer.

• CleanMyMac X is a comprehensive Mac cleaner and performance optimizer developed by MacPaw, trusted by over 30 million users worldwide.
• The Smart Scan feature performs a full system check in minutes, identifying junk files, malware, and performance issues in one click.
• CleanMyMac X can safely remove system junk, mail attachments, iTunes leftovers, and large unused files to up significant disk space.
• The built-in Malware Removal module scans for macOS-specific threats including adware, ransomware, and cryptocurrency miners.
• The Application Uner completely removes apps and all their associated files, unlike dragging apps to the Trash.
• The Speed module lets you manage login items and launch agents that slow down startup and background performance.
• CleanMyMac X is available as a subscription via the MacPaw website or as a one-time purchase through the Mac App Store.

You'll need a Mac running macOS 10.15 Catalina or later. CleanMyMac X works on both Intel and Apple Silicon (M1/M2/M3) Macs. An internet connection is required for and activation.

What CleanMyMac X Does

1. and CleanMyMac X
2. Run a Smart Scan
3. Clean System Junk
4. Run Malware Removal
5. Use the Application Uner
6. Optimize Speed and Startup
7. Analyze Disk Space with Space Lens

You can get CleanMyMac X directly from the MacPaw website or from the Mac App Store. Head to macpaw.com/cleanmymac and click the Free button. The app offers a fully functional trial, so you can explore all features before committing to a subscription.

Once the .dmg file s, open it from your s folder, drag CleanMyMac X into your Applications folder, and launch it. On first launch, macOS will ask you to grant the necessary permissions — these allow the app to scan system directories and remove files safely.

If you prefer the Mac App Store version, simply search for CleanMyMac X in the App Store app. Note that the App Store version has a slightly reduced feature set due to Apple's sandboxing restrictions, so the direct MacPaw is recommended for full functionality.

The centerpiece of CleanMyMac X is the Smart Scan. It's the first thing you see when you open the app, and it's designed to give you a complete picture of your Mac's health in a single click.

Click the large Scan button on the Smart Scan screen. CleanMyMac X will simultaneously check three areas:

• Junk — system cache, temporary files, mail attachments, and other clutter
• Protection — scans for malware, adware, and other macOS threats
• Speed — identifies startup agents and heavy resource consumers dragging down performance

The scan typically completes within 30 seconds to a couple of minutes depending on your drive size. Once done, CleanMyMac X presents you with a clear summary of what it found, with a single Run button to apply all recommended fixes. You're always in control — you can review each category before confirming.

Most users are surprised to discover anywhere from 3 GB to 20+ GB of junk on a Mac they thought was running cleanly. This is completely normal, and CleanMyMac X handles it safely without touching any of your personal documents or important system files.

For a more targeted clean, use the System Junk module in the left sidebar. This goes deeper than Smart Scan and breaks down every category of removable clutter on your Mac.

Click Scan in the System Junk section. CleanMyMac X will identify and categorize:

• System Cache — temporary files created by macOS itself that accumulate over time
• User Cache — cached data from apps like browsers, Xcode, and Spotify
• Language Files — localization files for languages you'll never use, bundled inside most applications
• Mail Attachments — ed attachments stored in the Mail app's local cache
• Trash Bins — empties the trash on all connected drives, not just your main one

You can review each category and deselect anything you'd prefer to keep. When you're ready, click Clean. CleanMyMac X applies the cleaning safely, and you'll see the exact amount of space recovered displayed prominently on screen.

Running System Junk cleaning once a month is a good habit. Developer machines especially — with heavy Xcode, npm, and pip cache usage — can accumulate several gigabytes of junk per week.

Many Mac users assume they're immune to malware. In practice, macOS-specific threats — including adware, browser hijackers, cryptocurrency miners, and spyware — are increasingly common. CleanMyMac X includes a powerful Malware Removal module that maintains an up-to-date database of known Mac threats.

Navigate to Malware Removal in the sidebar and click Scan. The scanner checks for:

• Adware and browser extensions injecting ads into your browsing
• Cryptocurrency mining scripts running silently in the background
• Ransomware and trojans targeting macOS
• Potentially unwanted programs (PUPs) bundled with software

If threats are found, CleanMyMac X presents them clearly with a description of what each does, and lets you remove them with a single click. The malware database is updated regularly as part of your CleanMyMac X subscription.

Unlike heavyweight antivirus suites, the Malware Removal module in CleanMyMac X is lightweight and does not run constant background processes that eat up your CPU. It's designed to scan on demand while staying out of your way the rest of the time.

One of the most commonly overlooked features of CleanMyMac X is its Application Uner. When you drag an app to the Trash manually, macOS removes the .app bundle — but it leaves behind support files, caches, preferences, and logs scattered throughout your Library folder. Over time these orphaned files accumulate significantly.

Click Uner in the sidebar. CleanMyMac X will scan all ed applications and display them with their total on-disk footprint, including all associated files. You can:

• Select one or multiple apps to completely un, including all leftover files
• Filter by All Applications, Unused (apps you haven't opened in months), or 32-bit apps no longer compatible with modern macOS
• Remove only the leftover files from apps you've already deleted manually

The difference in recovered disk space compared to manual unation is often surprising. A 200 MB application may leave behind an additional 500 MB to 1 GB of support files. CleanMyMac X ensures complete removal every time.

Resetting Apps to Factory State

The Uner also includes a Reset option, which wipes all of an app's preferences and caches without uning the app itself. This is extremely useful when an app starts misbehaving and you want to restore it to a fresh state — without losing the application itself.

A slow Mac at startup is one of the most frustrating things for everyday users. Applications love to add themselves to your login items, and background agents quietly pile up over the years. The Speed module in CleanMyMac X tackles this directly.

Click Speed in the sidebar, then click Scan. The module identifies:

• Login Items — apps that launch at startup, many of which you probably don't need running immediately
• Launch Agents — background processes ed by apps to run services constantly
• Heavy Memory Consumers — apps currently using excessive RAM that you might want to quit
• Hung Applications — processes that have frozen but are still consuming system resources

You can toggle individual login items on or off with a simple switch. Disabling even three or four unnecessary startup items can reduce your boot time by 20–40 seconds. CleanMyMac X also provides a Free Up RAM button that flushes inactive memory and gives a quick performance boost — especially useful after a long development session with many apps open.

Sometimes the biggest storage hogs on your Mac aren't cache files — they're old projects, forgotten s, or media files buried deep in your folder structure. The Space Lens module in CleanMyMac X gives you a beautiful interactive visualization of your entire disk.

Click Space Lens in the sidebar and click Scan. After scanning, you'll see your disk represented as a sunburst chart, with each segment representing a folder. Larger segments mean more storage consumed. You can click into any segment to drill down through your folder hierarchy, instantly identifying which directories are eating the most space.

This is particularly useful for:

• Finding old virtual machine images or disk archives you forgot about
• Locating huge Xcode simulators or build artifacts consuming tens of gigabytes
• Discovering duplicate media or old s you no longer need

Once you've identified what to remove, you can delete files directly from within the Space Lens interface without switching to Finder.

CleanMyMac X includes an Updater module that scans all your ed applications and checks them against the latest available versions. This covers both Mac App Store apps and apps ed from the web, giving you a single place to keep everything current.

Click Updater in the sidebar. Apps with available updates are listed with their current and new version numbers. You can update individual apps or click Update All to update everything at once. This is far more convenient than manually visiting each application's website or settings menu to check for updates.

Keeping applications up to date is one of the most important security practices for any Mac user. Outdated apps are a frequent attack vector for malware. The CleanMyMac X Updater makes this habit effortless.

Once CleanMyMac X is ed, it adds a lightweight menu bar icon that gives you at-a-glance system health information without opening the full app. Clicking the menu bar icon shows you:

• Current CPU usage and which process is consuming the most
• Available RAM and a one-click Free Up button
• Disk space remaining on your startup drive
• Battery health status
• A quick scan shortcut

This is one of the most practically useful features of CleanMyMac X for developers and power users. You can monitor your system at a glance while working, and take action instantly when something looks wrong — without interrupting your workflow.

CleanMyMac X is available in two purchasing options:

• Annual subscription — available from the MacPaw website, covering one, two, or five Macs. This gives you access to all features including the malware removal database updates.
• Mac App Store purchase — available as a subscription from the App Store. Slightly limited in scope due to Apple's sandboxing, but convenient for those who prefer App Store billing.

A fully functional trial is available for from macpaw.com/cleanmymac. The trial lets you scan your Mac and see exactly how much junk and how many issues are found, so you know exactly what you're getting before purchasing.

CleanMyMac X is also included in Setapp, the subscription service for Mac apps by MacPaw. If you already use Setapp, you get CleanMyMac X as part of your existing subscription at no additional cost.

CleanMyMac X is one of those rare utilities that genuinely earns its place on every Mac. Its combination of system cleaning, malware protection, application management, speed optimization, and disk visualization tools makes it the most comprehensive Mac maintenance app available. The interface is clean, the scans are fast, and the results speak for themselves.

Whether you're a student trying to squeeze more life out of an aging MacBook, a developer dealing with gigabytes of build artifacts and caches, or simply someone who wants their Mac to stay as snappy as the day they bought it — CleanMyMac X delivers.

the trial at macpaw.com/cleanmymac and run your first Smart Scan. The results might surprise you.