For a completely software-free alternative, online tools like CloudConvert allow you to upload files and convert them into a RAR archive directly in your browser.
the file and select "Extract Here" to unpack the contents in the current folder, or "Extract to Yak/" to create a new folder for the files. Download Yak rar
A free, highly-rated tool available on the Mac App Store that handles RAR files seamlessly. For a completely software-free alternative
(Optional) Click if you want to encrypt your files for security. Click OK to generate the new archive. Download Yak rar