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

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

application/x-sitx is a MIME type for archives created by the StuffIt X program. It marks files compressed using a proprietary algorithm designed to bundle and reduce file sizes.

When you encounter a file with the SITX extension, it means the file is an archive that may contain many files or folders in one package.

Archive multiple files: Combines many items into a single file for easier handling.
Data compression: Reduces the overall file size for efficient storage and sharing.
File distribution: Keeps related files together when sending over the internet.
Platform-specific use: While widely used on Mac OS, there are PC tools that can extract these files.

For more detailed information, visit the Filext page for SITX.

Associated file extensions

.sitx

Usage Examples

HTTP Header

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


    Content-Type: application/x-sitx

HTML

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


    <a href="file.dat" type="application/x-sitx">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-sitx');
      res.end('Content here');
    }).listen(3000);

Associated file extensions

.sitx

FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.