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

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

application/x-dzip is the MIME type for a compressed archive format used by Dzip (version 2.x). It signals that a file is a binary archive meant for bundling data together. Files of this kind carry the extension DZ, which represents a Dzip compressed archive.

This MIME type uses the x- prefix to show it is experimental or vendor-specific. It is not a standard, fully registered type but is used in contexts where Dzip archives are supported.

Compression & Archiving: Reduces file sizes and bundles multiple items into one archive.
Efficient Storage and Transfer: Helps save disk space and speeds up file distribution.
Specialized Software: Requires compatible tools to compress or extract the data.

Software that handles these archives reads the Dzip format to extract and process the contained files. For more on MIME types and their registration, visit the IANA website.

Associated file extensions

.dz

Usage Examples

HTTP Header

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


    Content-Type: application/x-dzip

HTML

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


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

Associated file extensions

.dz

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.