Official Web Site:  http://macitbetter.com/

BetterZip lets you quickly inspect archives without first extracting their contents.

* Extract Only Files You Really Need: If you only need a few files or
  folders from a larger archive, you don't have to extract the whole thing.
  Simply drag the files you need from the BetterZip window to any Finder
  window or the desktop.

* Open Archives Without Extracting: Not only can BetterZip open
  archives without first extracting them but you can also search for a file
  using the iTunes-like interface. BetterZip can open and extract archives 
  with the most common formats: ZIP, SIT, TAR, XAR, GZip, BZip2,
  RAR, 7-Zip, CPIO, ARJ, LZH/LHA, JAR, WAR, CAB, ISO, CHM,
  RPM, DEB, NSIS, BIN, HQX.

* Create Archives: Simply drag files and folders from your hard drives, 
  disks, or network places into your new zip file. You no longer have to
  copy all the files into a temporary folder first. The supported formats are
  ZIP, TAR, GZip and BZip2 compressed TAR, XAR, 7-ZIP, and RAR
  (using the external RAR commandline tool). Large archives can also be
  split.

* Protect Your Data: BetterZip can protect your data with a password and
  create WinZip compatible AES-256 encrypted archives. 7-zip and rar
  archives can also be protected.

* Update Archives: Add new or updated files to existing archives.
  Remove any file or folder from an archive, or even move files around
  inside the archive as if it were a normal folder.

* Make Archives Compatible: Strip Mac specific files and resource forks
  from archives for best compatibility with systems like Windows or
  Linux.

What's New

New Features

* Using the service 'Extract with BetterZip' you can now extract all
  archives in a folder hierarchy.

* If files are selected in the archive window, presets now only extract 
  those instead of all files. Hold down Shift to extract all anyway.

* Enhanced 'replace existing files' dialog: it now allows to merge extracted
  items into existing folders, keep both versions or replace the existing
  version with the one from the archive.

Enhancements

* Enhanced accessibility.

* Improved SIT file handling.

* The favorites sidebar is now populated in the background and there is
  no longer a delay when starting BetterZip.

* Re-added 'Terminate after last window closed' option.

* Enabled the additional parameters field for tar archives.

* Holding down the option key now shows a save panel even for services
  or direct extraction.

* The location preset in the save panel is now by default next to original
 /archive.

Bug Fixes

* Split size is now base 10 (1MB = 1,000,000 Bytes) like the rest of the
  application.

* Search field was invisible on Mac OS X 10.6 under certain conditions.

* The English help was replaced by the French help.

* Fixed the update mechanism. It will work again from now on.

* Fixed a possible crash when creating previews.

* Extracting all archives in a folder didn't work under certain conditions.

* Some strings were not correctly translated in the French localization.

System Requirements:

Intel Mac OS version: Mac OS X 10.6 or later

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