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

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

application/x-sbx is a MIME type for files that follow the SeqBox container format.
It signals that the file bundles sequential data in one package. This helps programs recognize and process the file as a container of related data segments.

Bundled Data: Combines multiple data elements into a single file.
Sequential Storage: Keeps data in a defined order for easier parsing.
Specialized Use: Often used by custom applications or enterprise systems that handle containerized information.

Files using this MIME type typically have the extension SBX.
The "x-" prefix indicates that the format is experimental or proprietary rather than standardized by bodies like IANA.
For more details on MIME types and their use in software, you can explore resources such as the IANA Application Media Types.

Associated file extensions

.sbx

Usage Examples

HTTP Header

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


    Content-Type: application/x-sbx

HTML

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


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

Associated file extensions

.sbx

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.