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.
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