.smi SMIL document
Other formats
| MIME type | application/smil+xml application/x-sami |
|---|---|
| Description | SMIL document |
| Acronym | SMIL – Synchronized Multimedia Integration Language |
| Category | Other formats |
| Signature (magic bytes) | 3C 73 6D 69 6C (<smil) |
| Based on | application/xml |
| Other extensions | .kino, .smil, .sml |
Frequently asked questions
What is a .smi file?
The .smi extension is used for several formats: SMIL document (application/smil+xml) and SAMI subtitles (application/x-sami). SMIL stands for Synchronized Multimedia Integration Language.
How do I open a .smi 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 .smi file?
By the bytes at the start of the file, the signature (magic bytes): 3C 73 6D 69 6C (<smil). On Linux and macOS, file --mime-type example.smi checks the real type regardless of the extension.
Which format is .smi based on?
Technically a .smi file is a subtype of “XML document” (application/xml), so programs for that base format can often read it too.
Which MIME type belongs to .smi?
The MIME type is application/smil+xml. In the Apache web server: AddType application/smil+xml .smi; in nginx: types { application/smil+xml smi; }.