You want to be sure your deleted data is really gone. Your Mac has become too expensive to repair, and it’s time to recycle. You work with top-secret non-disclosure agreements. You’re selling an old Mac or a used hard drive. Here’s a quick look at some top reasons to erase your Mac’s free space: Why erase free space on your Mac hard drive? Let’s take a look at how to erase free space and securely erase the hard drive on your Mac. Which app should you use? There is a free Shredder tool that is a part of CleanMyMac X - you may use this simple eraser to do the job.

In this way files are “shredded” digitally. On macOS, secure erase means your data is replaced with a random set of zeroes and ones.

Unless, of course, you erase your Mac's free space. Meaning, they can be fully or partially reconstructed if your Mac ends up in the wrong hands. Data privacy has never been more important, but surprisingly, not everyone realizes that your Mac is not entirely erasing that data when you delete a file.ĭid you know? Deleted files are identified as free space, available to be written over with new data. Unless you securely clean your free space or wipe your hard drive, there's potentially a lot of recoverable personal data floating around.Īre you looking to erase the free space on your Mac ? You've come to the right place. That's like throwing away 800 laptops every second. It's estimated that every year globally, we generate 40 million tons of electronic waste.

Free mac space cleaner