StuffIt’s advanced compression technology and enhanced file management features provide faster data transfers, file security, and smaller, space-saving backups. StuffIt offers the best in compression with specialized compressors for MP3s, PDFs, JPEG photos, Apple iWork documents, Microsoft Office files and more! Compress, send, protect and backup your files with StuffIt Deluxe 12!

The ultimate in compression for your Mac!

StuffIt Deluxe's exclusive compression technology and enhanced file management features provide more space on your hard drive; file security and protection; automatic backups to CDs, DVDs or FTP, and easy file transfers to .Mac!

Better than ever compression and expansion

Make more room on your Mac
StuffIt’s advanced technology specializes in the compression of MP3s, PDFs and graphics with no quality loss!

Compress your photos and music
Only StuffIt has the ability to compress JPEG photos by an average of 20 to 30 percent and MP3s by 10 to 15 percent! Store more photos and music on your Mac!

Pixel-perfect graphics savings
StuffIt’s newly-patented technology provides 100% pixel-perfect compression of 24-bit images, including TIFFs, PNGs, BMPs and GIFs. If you deal with print-quality graphics, this can save you gigabytes of disk space.

Optimized for the office
StuffIt has optimized compressors for Microsoft's Word, Excel, and PowerPoint documents. With StuffIt, you can finally email those large PowerPoint presentations! iWorks users aren't left out: StuffIt compresses Pages documents and Keynote presentations as well!

Faster and easier data transfers

Built-in automatic file transfers
StuffIt can upload your archives to a network volume, web server or Apple’s .Mac service. You can send files via email with a single click. Read more about efficient data transfer...

Support for virtually any file format
StuffIt includes support for nearly every compression format you’re likely to encounter, including popular Windows formats such as Zip, RAR, and CAB; and Linux formats such as gzip, Bzip2, and TAR! Overall, StuffIt gives you access to more than 20 compression formats!

Eliminate cross-platform hassles
StuffIt creates and opens 100% Windows compatible Zip archives. Never worry about incompatible archives again. StuffIt will even recompress already existing Zip archives into even smaller sizes! 

File security and backups

Secure your archives
StuffIt’s automatic archive repair abilities ensure your data's integrity over the long haul. Secure your compressed data with password protection and encryption with strong 512-bit encryption for SITX archives and AES 256-bit encryption for Zips.

Complete backup management
StuffIt can easily back up your archives to CDs, DVDs, FTP and .Mac. StuffIt automatically segments large archives across multiple disks based on media capacity.

Seamless integration

StuffIt works the way you work
In addition to its award-winning compression technology, StuffIt’s fantastic workflow features enable you to work faster and smarter, whether you’re using StuffIt to backup important files or send documents over the Internet. Simply click, drag and drop; StuffIt will take care of the rest!

Browse and search within archives
StuffIt’s file management features help you search, preview and access archived data. StuffIt will show you thumbnail previews of images inside archives without having to decompress them first. Easily browse and find the photo you need!