A free tool to reset the permissions on a file, folder or application.

v. 1.0 (Intel version)

There was a PPC/Intel version 1.0, dated 2009, for Mac OS X 10.4 and
above, but it is no longer available.

Version 2.1, dated 2021, that requires macOS 10.13 at least can be
downloaded from the [developer's webpage][1]

Compatibility
Architecture: x86 (Intel:Mac)

Mac OS X 10.5 at least

  [1]: http://ohanaware.com/permissionsreset/