Mac laptop being optimised and cleaned for better performance using CleanMyMac, Local Nerd IT support

9 May 2026

How to Keep Your Mac Running Fast with CleanMyMac (Without Breaking It)

Mac running slow? Learn how CleanMyMac helps keep your Mac fast and clean. Used by Local Nerd on our own devices.

Macs are known for being reliable - but over time, they can still slow down.

Apps build up, storage fills up, and hidden system clutter starts to affect performance.

The tricky part is knowing what's safe to clean... and what isn't.

That's where tools like CleanMyMac come in.

Why Macs Slow Down Over Time

Even well-maintained Macs accumulate:

  • Temporary system files
  • Unused applications
  • Background processes
  • Large hidden files
  • Old updates and caches

All of this can impact performance, storage, and responsiveness.

Why You Need to Be Careful

Not all "cleanup" tools are safe.

We've seen many cases where people use the wrong apps or manually delete files - and accidentally cause problems with macOS.

That's why we recommend sticking to trusted tools.

What Is CleanMyMac?

CleanMyMac is a well-known Mac maintenance tool designed to safely clean, optimise, and maintain macOS systems.

It's designed to remove unnecessary files while protecting important system components.

Why We Recommend CleanMyMac

At Local Nerd, we use CleanMyMac on our own macOS devices.

It's one of the few tools we trust because it's:

  • Safe to use
  • Easy to understand
  • Effective without being aggressive

1. Frees Up Storage Space

Quickly removes junk files, old caches, and unnecessary data.

2. Improves Performance

Helps your Mac run smoother by reducing background clutter.

3. Removes Apps Properly

Uninstalls applications completely - including leftover files.

4. Simple Maintenance Tools

Includes tools for managing startup items and system health.

Who Should Use It?

CleanMyMac is especially useful if your Mac:

  • Feels slower than it used to
  • Is running low on storage
  • Has lots of old apps installed
  • Hasn't been maintained in a while

Try CleanMyMac

If you want to keep your Mac running smoothly, you can check it out here:

Download CleanMyMac

This is an affiliate link, which helps support Local Nerd at no extra cost to you.

Prefer Help Instead?

If you'd rather have everything checked and optimised properly, Local Nerd can help clean up and improve your Mac safely.

Book Local Nerd support


People Also Ask

Is CleanMyMac safe to use?

Yes. CleanMyMac is widely regarded as a safe and reliable Mac maintenance tool when used correctly.

Does CleanMyMac actually speed up your Mac?

It can improve performance by removing unnecessary files and reducing system clutter.

Can I clean my Mac manually instead?

You can, but it's easy to delete the wrong files. Tools like CleanMyMac make it safer and easier.

Do Macs really need cleaning software?

While macOS manages itself well, additional tools can help maintain performance over time.

Can Local Nerd help optimise my Mac?

Yes. Local Nerd can clean, optimise, and improve Mac performance safely.

Local Nerd recognizes the Gadigal and Wangal peoples as the traditional custodians of the land, respecting their enduring connection to the area we live and work.