It may take very long to scan all files, but it does a very decent job after that.ĭupeCheck " drop a file on it and it will use your Spotlight index to see if you have a potential duplicate somewhere." That's about this nice open source app. It offers a node-view of folders and you can select to " delete all files in a folder that have duplicates elsewhere, or vice versa" as well as hand-picking. Very simplistic but efficient if you're sure on what you're doing.Ĭhipmunk scans duplicates and let you choose which ones you want to trash. MrClean is a free tool that just scans for folders for duplicates and trash them. It offers basic and advanced modes, several different strategies and criterias. You can specify where to scan for what kind of duplicates. TidyUp is a very well known app in this subject. Anyway, I'm listing my choice of apps considering which ones I was able to try. There are many commercial options, some may be better than the listed below, I haven't tried them all. XSlimmer is currently discontinued.Īnother approach is looking for duplicate files. So, this strips all of them to shrink to only your computer needs. Universal Binaries, that is, use a lot of space for storing files to run in several different architectures and languages. It remove "unnecessary" code from "fat" binaries and Strip out unneeded languages, as it says on the website. CleanMyMac has a free trial which will only clean up to 500 MB. It scans through the files and also uses some knowledge base it has. They basically gather some known things about the system that can be bloating your disk all in one nice interface so you can see and decide what to delete.ĬleanMyMac lists caches, logs, language files, universal binaries, development "junk", extensions and applications. There is also a different approach, of apps for scanning specific expected places and files for space usage in non-optimal ways. So each one has its advantages and highlights, I'm still not sure if there's one that comes on top. You can then just delete (move to trash) anything listed. You choose the folder or disk to analyse, it will order them by disk usage after taking its time to calculate. OmniDiskSweeper is non-graphical and very similar to Finder's column view. It's the most complex, but not all complete. It has a Finder plugin and the most options between the 3 on preferences. The grahpics isn't as good as GrandPerspective neither the list as good as OmniDiskSweeper, but it does a good job mixing both. It also is able to save the scanned data for archiving or comparing multiple windows.ĭisk Inventory X also uses the Treemap graphical scheme but along side a list view of folders and files. GrandPerspective is only graphical, using the Treemap, it can measure files by logical or physical methods before scanning, show/hide package contents and change color scheme on the fly. Here's a brief list of apps for checking the disk usage: It's generally a good idea to pay close attention for using the sudo options below so the software can have access to every file, which will likely include some big hidden ones. This has many parts and those are all softwares I could try myself somehow. I understand this is a little bit offtopic from the question, but it's in tune with the answers. So, following, there are those options and some of them I got from the answers already provided here. I've had a very similar issue, and so I decided to compile several methods for solving it. See System data storage is huge (This is not part of the question but I can't think of anywhere else to place this as applies to all answers.) They will need to be granted Full Disk Access and to see files that cannot be read by the current user will need root privileges - so version from App Store will not provide complete results. Apple have increased control of what can be seen by Apps so the apps listed as answers will not work fully without some extra configuration. Does this make sense? Is there a tool that I can run to determine where this space is going? Assuming it is FileVault, should I try to disable it? What's the best way to turn of FileVault on a nearly full computer? Warning about answers and new macOSįor users of Ventura and newer macOS. One possibility that I can think of is that FileVault has some sort of disk leak, allocating but not freeing files. It's possible that it's a rogue iTunes podcast or a huge software update that my Mac is automatically downloading - would either of these reclaim the space upon a restart? However, I can't identify anything in my personal activity that consumed that space. Curiously, restarting the computer will enable me to recover gigabytes of space (this past time, it was able to recover about 2.2GB). Every few days I get notices on my MacBook that it's running or run out of hard drive space.
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