Macromedia Flash 1
Unknownother · also known as SWF (1)
The Adobe Flash format, SWF, previously known as Shockwave Flash or Macromedia Shockwave Flash, and alternatively known as the Small Web Format, is a file format primarily designed for creating interactive multimedia applications. The format iterates rapidly, often in line with new releases of Adobe Flash or Adobe Air. Prior to version 6 all SWF files were uncompressed, however version 6 introduced the option of using zlib compression. Version 13 introduced the option of using LZMA compression.
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| Extensions | .swf |
|---|---|
| MIME types | application/x-shockwave-flash |
| Signatures | 46575301 at byte 0 (SWF 1) |
| PRONOM | fmt/104 |
| Wikidata | Q29011079 |
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From PRONOM, Wikidata. Updated 2026-10-20.