StuffIt is the right tool for people who just need very basic compression and expansion features. StuffIt let's you create both Zip and StuffIt X archives with or without encryption, and you can open compressed or encoded email attachments and downloads in over 25 formats.
StuffIt Deluxe - Best Features, Best Value
StuffIt Deluxe offers you the most features for the best value.
Everything you can do with StuffIt, PLUS A WHOLE LOT MORE:
Free StuffIt Expander
Access StuffIt files, decompress Zip archives, decompress tar, gzip and bzip archives, and more - supports over 30 formats. Just drag, drop, and you're done!
StuffIt Engine SDK
Put the power and capabilities of StuffIt, the leading compression solution on the Windows and Macintosh platforms, inside your application.