DiskWarrior also helps to rebuild HFS+ catalogs in addition to the already mentioned Drive Genius.īest of luck - keep looking if you find defrag isn't what the doctor ordered on your mac. Defragging Mac computers became less important with the release of Mac OS X 10.2, an operating system version from way back in 2002. Back up to time machine and an erase install / migration back cures that issue without needing to spend money on a live tool. The HFS+ filesystem directory / catalog itself can become fragmented over a long time but you can fix that easily. Mac OS X automatically defragments files that are likely to cause a slowdown in addition to automatically optimizing hot (often used) files to a fast and not-fragmented part of the drive. It is a useful tool to defrag and optimize your computer.
#Defragment program for mac for mac os
There aren't many apps that do this on mac since actual filesystem fragmentation both rare and rarely a cause of measurable slowdown. For Mac OS defragment disk, you can rely on iDefrag to work efficiently. You don’t need to rearrange the files on the drive as macOS does that for you - just keep 20 GB free or 25% free if you can, and the system optimizes the file location automatically. If you installed the macOS Big Sur Upgrade on a compatible Mac and did. Android, Mac and Windows with professional photo editing tools. A Synology NAS with a data port and its Disk Station Manager software up to date. It rebuilds the catalog (filesystem) that tracks the files. No need to download or use desktop software like Microsoft Paint, Photoshop or GIMP to.
On APFS - you don’t need to defragment anything.
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