Small Web Format (SWF)
Adobe-swf icon.png
Filename extension
Internet media type
Magic numberCWS,FWS[1] or ZWS[2]
Developed byFutureWave Software,
later taken over by Macromedia and
Adobe Systems
Type of formatVector graphic animation
Container forShockwave Flash, later called Macromedia Shockwave Flash then Adobe Flash.

SWF (/ˈswɪf/ SWIF)[3] is an Adobe Flash file format used for multimedia, vector graphics and ActionScript.[4] Originating with FutureWave Software, then transferred to Macromedia, and then coming under the control of Adobe, SWF files can contain animations or applets of varying degrees of interactivity and function. They may also occur in programs, commonly browser games, using ActionScript.

Programmers can generate SWF files from within several Adobe products, including Flash, Flash Builder (an IDE), Adobe Animate (the replacement for Adobe Flash as of Feb. 2016), and After Effects, as well as through MXMLC, a command-line application compiler which forms part of the freely-available Flex SDK. Although Adobe Illustrator can generate SWF format files through its "export" function, it cannot open or edit them. Other than using Adobe products, one can build SWFs with open-source Motion-Twin ActionScript 2 Compiler (MTASC), the open-source Ming library and the free-software suite SWFTools. Various other third-party programs can also produce files in this format, such as Multimedia Fusion 2, Captivate and SWiSH Max.

The term "SWF" has originated as an abbreviation for ShockWave Flash.[5] This usage was changed[by whom?] to the backronym Small Web Format to eliminate confusion with a different technology, Shockwave, from which SWF derived.[6][7] There is no official resolution to the initialism "SWF" by Adobe.[8]

  1. ^ "SWF File Format Specification Version 10" (PDF). Archived from the original (PDF) on 2012-01-31. Retrieved 2012-02-26.
  2. ^ "SWF File Format Specification Version 19" (PDF). Archived from the original (PDF) on 2013-02-02. Retrieved 2013-02-17.
  3. ^ "Adobe Flash Player Administration Guide for Flash Player 10.1" (PDF). Adobe Systems. 2010-06-10. p. 1. Retrieved 2011-03-10.
  4. ^ Open Screen Project Archived 2014-08-18 at the Wayback Machine
  5. ^ Mark Schaeffer (2007). Adobe Flash CS3 Professional How-Tos: 100 Essential Techniques. Adobe Press. ISBN 978-0-13-270129-7.
  6. ^ "SWF Definition from PC Magazine Encyclopedia". Retrieved 2013-11-02.
  7. ^ Jennifer Niederst (2001). Web Design in a Nutshell: A Desktop Quick Reference (2nd ed.). O'Reilly Media, Inc. p. 438. ISBN 978-0-596-00196-4.
  8. ^ http://blogs.adobe.com/jd1/archives/2007/07/swf-stands-for.html. Retrieved 2016-09-15. Missing or empty |title= (help)

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