RAR Expander for Mac is a utility to create and uncompress files in RAR archives. Supposedly fully compatible with WinRAR, RAR Expander for Mac is a clean, simple app that installs in a few seconds and works flawlessly in the testing we did. Notably, RAR Expander for Mac also supports AppleScript, so you can create shell utilities to handle packing and unpacking RAR files in a larger environment.
RAR Expander for Mac works with both single and multi-part RAR archives. It also supports password-protected RAR files. To use RAR Expander for Mac you can either open the app and provide the path to the RAR file or source files, or you can drag and drop the RAR file (or source files) on the app icon. Either way, RAR Expander for Mac worked quickly, and didn't hiccup once on the dozens of files we imported from WinRAR. Moving files created by RAR Expander for Mac to Windows also created no bad behavior when opening those files with WinRAR. The archiving and expanding happens fast on the Mac, and you can set preferences for default directories and audible signals when the app finishes its task.
RAR Expander for Mac is one of those simple apps we take for granted once we have them, but wish we had when we don't have them. It worked easily, quickly, and silently. If you ever have to work with RAR files, RAR Expander for Mac is a winner of an app.