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Contents. Overview Stuffit.sit application/x-stuffit application/x-sit SITD, SIT2, SIT5 (depending on file version) com.stuffit.archive.sit UTI conformation public.date public.archive com.allume.stuffit-archive Developed by Raymond Lau (creator), currently Smith Micro Initial release 1987; 31 years ago ( 1987) files, including StuffIt was originally developed in the summer of 1987 by Raymond Lau, who was then a student at in New York City. It combined the capabilities of utilities such as with newer similar to those used in. Compared to existing utilities on the Mac, notably, StuffIt offered 'one step' operation and higher compression ratios. By the fall of 1987 StuffIt had largely replaced PackIt in the Mac world, with many software sites even going so far as to convert existing PackIt archives to save more space. StuffIt soon became very popular and was formed to market it (the last release by Lau was version 1.5.1). They split the product line in two, offering StuffIt Classic in and StuffIt Deluxe as a commercial package.
Deluxe added a variety of additional functions, including additional compression methods and integration into the Mac Finder to allow files to be compressed from a 'Magic Menu' without opening StuffIt itself. StuffIt was upgraded several times, and Lau removed himself from direct development as major upgrades to the 'internal machinery' were rare. Because new features and techniques appeared regularly on the Macintosh platform, the shareware utility emerged as a competitor to StuffIt in the early 1990s.
A major competitive upgrade followed, accompanied by the release of the freeware, to make the format more universally readable, as well as the shareware StuffIt Lite which made it easier to produce. Prior to this anyone attempting to use the format needed to buy StuffIt, making Compact Pro more attractive. This move was a success, and Compact Pro subsequently fell out of use. Several other Mac compression utilities appeared and disappeared during the 1990s, but none became a real threat to StuffIt's dominance. The only ones to see any widespread use were special-purpose 'disk expanders' like and SuperDisk!, which served a different niche. Apparently as a side-effect, StuffIt once again saw few upgrades.
The changed in a number of major revisions, leading to incompatible updates. Clixxpixx designsuite download software for mac. PC-based formats long surpassed StuffIt in terms of compression, notably newer systems like. These had little impact on the Mac market, as most of these never appeared in an easy-to-use program on the Mac. With the introduction of, newer Mac software lost their forks and no longer needed anything except the built-in utilities like.
Numerous programs 'wrapping' these utilities were distributed, and since these files could be opened on any machine, they were considerably more practical than StuffIt in an era when most data is cross-platform. With the release of OS X Public Beta, released StuffIt 6.0 which runs under OS X, with Expander no longer relying on the StuffIt Engine™. Stuffit X.sitx application/x-stuffitx application/x-sitx SITX com.stuffit.archive.sitx UTI conformation public.date public.archive com.allume.stuffit-archive Initial release 2002; 16 years ago ( 2002) Type of format files, including Although it was late to market, introduced the completely new StuffIt X format in September 2002 with StuffIt Deluxe 7.0 for Macintosh. It was designed to be extendable, support more compression methods, support long file names, and support Unix and Windows file attributes. StuffIt X improves over the original StuffIt format and its descendants by adding multiple compression algorithms such as, and to -type compression. It also added a 'block mode' option and several encryption options.
In January 2005, compression was added as a StuffIt X compression option (see the related 'SIF Format' below). From the mid-1990s until the 2005 acquisition by, coinciding with the release of 'Tiger,' StuffIt Expander came bundled with the Macintosh operating system.
Although Mac files generally did not use, one of StuffIt's primary uses was to allow Mac files to be stored on non-Mac systems where extensions were required. So, StuffIt-compressed files save the resource forks of the Macintosh files inside them, and typically have the extension.sit. Newer (non-backwards compatible) Stuffit X-compressed files carry the file extension.sitx. Encrypted StuffIt archives created with the now-discontinued Private File utility will have.pf extensions. StuffIt-compressed ShrinkWrap will carry.img or.image extensions. However, a version of StuffIt is needed to mount the images or convert them to a newer format readable in. Offers free downloads of for Mac and Windows, which expands (uncompresses) files compressed using the StuffIt and StuffIt X format, as well as many other compressed, encoded, encrypted and segmented formats.
The application permits the compressing of files into the StuffIt X format. The StuffIt and StuffIt X formats remain, unlike some other file compression formats, and charge for its use in other programs. Given this, few alternative programs support the format. There was also an 'self-expanding' variant of StuffIt files with a.sea extension that runs as an executable.
A utility called unsea exists to turn such an executable into a vanilla sit file. StuffIt Image Format (SIF) Early in 2005, a new compression system was released that regularly obtained compression in the order of 25% (meaning a compressed file size 75% of the original file size) without any further loss of image quality and with the ability to rebuild the original file, not just the original image. (-like programs typically achieve JPEG compression rates in the order of 1 to 3%. Programs that optimise JPEGs without regard for the original file, only the original image, obtain compression rates from 3 to 10% (depending on the efficiency of the original JPEG). Programs that use the rarely implemented option available to the JPEG standard typically achieve rates around 12%.) The new technique was implemented as a StuffIt X format option in their StuffIt Deluxe product. They have also proposed a new image format known as SIF, which simply consists of a single JPEG file compressed using this new technique.
Smith Micro Stuffit Deluxe 11 0 2 For Mac Download
Pending filing of their patent, they retain knowledge of the details of this algorithm as a trade secret. Notable features Duplicate Folding. Main article: Duplicate Folding™ is a feature which saves even more space by only keeping one copy of a duplicate file in an archive. Issues Backwards compatibility Changes to the Stuffit compression software, claimed by the developer to be upgrades, frequently render previous versions of Stuffit unable to decompress newer archives without first downloading or purchasing the new version. This incompatibility can be inconvenient for work flows where timely execution is of importance.
Though users are able to create archives in a legacy format, this functionality is not clearly exposed. StuffIt Wireless On July 5, 2005, announced their acquisition and intention to expand the new JPEG recompression technique to wireless platforms and other file formats. The initial press release and preliminary information saw the first use of the title “StuffIt Wireless.” Alternatives macOS includes which is compatible with the ZIP, gzip, and bzip2. In versions since (Panther), it now preserves in the ZIP format, so Stuffit is no longer a requirement for Mac file compression. ZIP is also a de facto standard, making it more widely accepted for archives and sharing.
While StuffIt used to be a standard way of packaging Mac software for download, macOS native compressed have largely replaced this practice. StuffIt might still be used in situations where its specific features are required (archive editing/browsing, better compression, JPEG compression, encryption, old packages). An open source alternative might be, even if it doesn't support newer StuffIt file formats. Some 3rd-party software, such as the replacement, use the Stuffit SDK to gain all the features of Stuffit. See also. Notes. 2008-11-16 at the., explains how to open StuffIt and StuffIt X archives on Linux.
Smith Micro Stuffit Deluxe 11.0 2 For Mac
Gilchrist, Jeff. Archived from on 2011-08-31. Retrieved 2011-08-15. CS1 maint: Archived copy as title. StuffIt: No encryption; StuffIt X: Partial Prior to version 5.0, the Windows version of Stuffit was known as Zip Magic.
The Zip Magic name made a brief return in version 9.0, which was available as either Stuffit or Zip Magic, though the product was exactly the same either way. Stuffit has no connection with the current product known as ZipMagic, with no space. External links.