git/ files are already stored compressed, so there’s not much to be gained there, hence an overall savings of only 4% in the repo. The results really shouldn’t be surprising. Let’s look at compression stats ( -v, indirectly) for PHP files ( -t php) and then the whole directory: (Also available through Homebrew.) Wanting to try it out, I for some reason decided to try to compress the 1.5GB git repo I spend most of my time in at work. Compress Video On Macīut, enter afsctool. One thought on “ macOS / OS X disk compression ” Keir Thomas on at 5:11 pm said: Interesting stuff, but unfortunately afsctool does not work on Sierra (macOS 10.12). Filmora Video Editor is one of the most powerful video editing. It seems like Apple’s intention was for this to be used for shipping system files, and not applied to user files, as evidenced by the fact that it’s virtually impossible to even figure out if it’s enabled, much less a checkbox to simply turn it on for the filesystem.įilmora Video Editor for Mac. While reading about AppNap and the fun tricks Apple employs to improve battery life, I happened across something I never knew: the HFS+ filesystem supports transparent compression.