What is MIME type "application/x-sit"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

application/x-sit is the MIME type that marks a file as a StuffIt compressed archive. It signals that the file bundles multiple items into a single package and is compressed to reduce size.
Files of this type usually use the SIT extension.

• Archiving: It groups several files together for easier storage and transfer.
• Compression: It reduces the overall file size to save disk space and speed up downloads.
• Platform-specific use: Originally common on Macintosh systems, though tools exist for other platforms as well.
• Software requirements: Opening a file of this type typically requires a dedicated decompression tool such as StuffIt Expander.

This MIME type helps operating systems and applications recognize the file’s format automatically and process it correctly. For more detailed information, visit external resources on file types and compression.

Associated file extensions

.sit

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:

    Content-Type: application/x-sit
  

HTML

In HTML, you can specify the MIME type in various elements:

    <a href="file.dat" type="application/x-sit">Download file</a>
  

Server-side (Node.js)

Setting the Content-Type header in Node.js:

    const http = require('http');
    
    http.createServer((req, res) => {
      res.setHeader('Content-Type', 'application/x-sit');
      res.end('Content here');
    }).listen(3000);
  

Associated file extensions

.sit