RAR Extractor is an extractor or file decompressor that's free and very valid, because besides decompressing RAR, it also decompresses a large number of widely used compression formats such as ZIP, 7Z, JAR, ISO, TAR, CAB or LHA.
You see, with RAR Extractor you'll be able to decompress almost any file, and all through a simple, small, and easy to manage interface. To decompress files with RAR Extractor, just select the file in question (or drag and drop it into the program).
Therefore, in addition to ensuring you can decompress files in RAR, ZIP, 7z, and the others aforementioned, with RAR Extractor you'll be sure to lose as little time in the process. It's certainly a great alternative to WinRAR free.