Extract Any File
The 1.0 version of Extract Any File for Mac is available as a free download on our website. The program lies within System Tools, more precisely File Compression. This free Mac application was originally designed by Pocket Bits LLC.
From the developer:
Extract Any File is an application that offers an easy way to unarchive any type of archive file format, including, but not limited to ZIP, RAR, 7-Zip, Tar, and Gzip. Using the application is easy. All you need to do is drag and drop the files you wish to extract. Batch unarchiving is fully supported.
You may want to check out more software for Mac, such as RAR Extractor Plus, CM PDF Page Extractor or Url Extractor X, which might be similar to Extract Any File.