.swf Shockwave Flash file
Other formats
| MIME type | application/vnd.adobe.flash.movie |
|---|---|
| Description | Shockwave Flash file |
| Category | Other formats |
| Signature (magic bytes) | 43 57 53 (CWS)46 57 53 (FWS) |
| Other extensions | .spl |
Frequently asked questions
What is a .swf file?
A .swf file is a “Shockwave Flash file” (MIME type application/vnd.adobe.flash.movie).
How do I open a .swf file?
With the program that created the file. On Linux, xdg-mime query default with the MIME type shows the default application, and xdg-open opens the file with it.
How can you tell a genuine .swf file?
By the bytes at the start of the file, the signature (magic bytes): 43 57 53 (CWS) and 46 57 53 (FWS). On Linux and macOS, file --mime-type example.swf checks the real type regardless of the extension.
Which MIME type belongs to .swf?
The MIME type is application/vnd.adobe.flash.movie. In the Apache web server: AddType application/vnd.adobe.flash.movie .swf; in nginx: types { application/vnd.adobe.flash.movie swf; }.