System Tools › File Compression

Enolsoft MagicUnarchiver for Mac is a fast file extractor and compressor.

Free

It lets you view, upload, and share files from your Synced Server account.

The tool makes viewing and extracting archives really easy.

PDFCompressor makes it simple to reduce the size of single or multiple PDF files.

MultiDeco provides several decompression models in one program.

Express Zip Software compresses folders and files easily.

Archive all online accounts to your Mac.

Unzip entirely or partially, preview and compress files on Mac.

App that allows you to compress and decompress documents.

It is a powerful and reliable application that helps you unzip archives.

Free

Compress files to RAR archives and create segments of a chosen split-size.

Creates ZIP archives and encrypts them with passwords.

Free

Lets you shrink SparseImage and ImageBundle files--which expand during usage.

Compresses your files to save disk space for future projects.

Splits and merges back your documents on Mac OS X.

Free

Extract and create archives with support for a wide range of formats.

Free

Extends Mac OS X's native file handling capabilities via 3rd-party file systems.

Command line disk imaging program

compression & expansion utility for cpt files

Free

Utilities to compress in tar.bz2

Create, open & convert between DMGs, ZIPs, TARs and others.

Free

Create and manage Zip archives.

Create Windows-friendly ZIP archives.

Free

Powerful unarchiving utility that can open over 25 formats.