Stellar Drive Defrag 3.0

Systematize the fragmented data on Mac drives.
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Latest version:
3.0 See all
17.5 MB


Perform defragmentation to increase the integrity of drives in your Mac and free additional space. Analyze the current volumes and partitions, then reorganize them to avoid fragmentation, preserving the entirety of data and the original file locations.

Stellar Drive Defrag is a handy Mac application that helps you optimize your system by searching for pieces of fragmented data and organizing them in an efficient manner. This defragmentation tool can prove to be quite useful, especially if you have recently installed and uninstalled multiple programs and noticed a decrease in the performance of your system.

In order to start optimizing your system, the first thing you will need to do, after launching Stellar Drive Defrag, is to select the source volume. Once the analysis is completed (might take some time), you can either choose to display a layout of the data and quickly perform a full or a quick defragmentation, optimize your volume or defragment the metadata.

By switching to the "Files" view, the application allows you to select specific files to defragment along with their associated metadata for an easier and smoother data access.

If you are worried that your drive will reach a critical temperature during the defragmentation process, yon can rest assured, because Stellar Drive Defrag comes with a reliable monitoring tool that will instantly pause the process the moment the disk temperature reaches the specified limit. This way, your hard disk will have the necessary time to cool off so that you can safely resume the defragmentation process. more

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Review summary


  • Supports file defragmentation
  • Built-in disk temperature monitor
  • Intuitive and friendly interface


  • Can only defragment one volume at a time

Comments (2)

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This was exactly the same thing that happened to me! I have not called to ask for a refund but I will be unless I am able to reach someone in technical that can help resolve this issue! Very non-user friendly. So honestly I cannot even rate how it works since I have not been able to get it work yet.

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I tried this on my iMac Mountain Lion and it was a disaster. User Manual was blank, buttons to continue each process were missing and had to create a boot disk which was a nightmare. Asked for the promised refund and this was their reply:
"We would like to inform you that we cannot consider your refund request as according to our refund policy, a refund can only be processed in case, if we are not able to provide you any support or if there is any bug found in our software."

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