Zipper is an app to unzip files in practically any compression format: zip, alz, egg, tar, tar.gz, tar.bz2, gz, bz2, rar, jar, and lzh. It also lets you work with zip files that have been divided into several parts.
Despite what its name might suggest Zipper isn’t just a tool for zipping and unzipping files. It's also a very comprehensive file explorer with an accesible interface and really interesting features. You can move folders, copy and paste files, rename documents, etc.
Zipper is a really interesting app that lets you quickly zip and unzip files as well as manage all the folders and documents on your device. It even includes a hex editor.