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FileUtility is an application and service for:

  • Moving the data fork of a file into the resource fork, then deleting the data fork.
  • Listing all resources in a resource fork by ID, type and name.
  • Deleting a file's data fork.
  • Deleting a file's resource fork.
  • Deleting a file, folder or folder contents (i.e. without moving to the trash.)
  • Displaying a file's fork sizes.

Note: It is recommended that you use this program with caution as its operations are undoable.

FileUtility is part of the Limit Point Software Utilities Bundle : more...

What's New

Version 1.0.7:
  • Updated for OS X 10.9 Mavericks


OS X 10.6.6 or later

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FileUtility User Discussion

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Prince_Isaac Member IconComment+299

Please be aware that the link to the dev's site above lands on a page that shows only three OS X apps, none of which are FileUtility. Going to the MAS and clicking on the FileUtility Support link lands on a blank page.

While I haven't used this software, I have used other apps from Limit Point, and I tried to contact the dev, but no answer. I'm just a bit concerned about apps that are recently updated here on MU whose support seems to be invisible.

In the case of Limit Point, I hope this is soon corrected as I do like the several apps that I own from them.

Reply0 replies
Version 1.0.7
Grhsvo Member IconComment+66

I haven't tried it but I can see a defect. The headline says it "deletes resource forks" but the detail description says it "Moves the data fork of a file into the resource fork, then deletes the data fork."

Moving the data fork into the resource fork then deleting the data fork does not delete the resource fork, it just allies it with the data fork. Why would you want to do that?

The reason for deleting a resource fork is to shrink a file size for better use on the web. I need to do this every day.

The utilities I used to use for that purpose ceased to work in OSX so I took the issue up with Lemke Software. Now, GraphicConverter does the job properly though clumsily. OK it's not free (nor is FileUtility) but it's a damned excellent tool that does many things well and the developer is responsive and not greedy. Lemke Software has been a tower of support for the Mac community for many years and I would urge anyone seeking a flexible, comprehensive graphic tool to buy a copy of GraphicConverter.

Reply2 replies
Version 1.0.6

The feature list only mentions a few things, if you take a look at the screenshot you'll see it does more than that.
Simply deleting a resource fork is easy on the command line though. Either of these commands will work:
echo -n "" > myFile/..namedfork/rsrc
xattr -d com.apple.ResourceFork myFile



Just an observation: The app has a feature that reports the sizes of each fork. Now if you have a file with a data fork, and then apply the op that moves the data into the resource fork, deleting the data fork afterwards, and run the op that computes the fork sizes again, you will see that the data fork is empty, but the resource fork size grew by the size of the data fork before it was deleted.

So, the OS functions that compute sizes seem to give the impression the data fork was deleted.

Also, there is a function that deletes the resource fork, or data fork, alone.

I can think of instances where you want to move resources from a data fork into a resource fork, but I am not going to go into that here. Email me and I will give you an explanation.

Finally, note that the app runs as a services too, so that you can invoke its operations using the keyboard, if you set them up in Services Preferences.

Unfortunately, the app doesn't work in batch mode yet.It't not because it can't. It just would have required reworking how any encountered errors are reported. So I moved that to a future update.


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Current Version (1.x)


Downloads 654
Version Downloads 63
License Commercial
Date 23 Jan 2014
Platform OS X / Intel 32
Price $9.99