What is MIME type "application/vnd.shx"?

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

MIME type: application/vnd.shx is assigned to the index file used in shapefile sets for GIS. It is linked to the SHX file. This file works with the geometry file (SHP) and the attribute data file (DBF).

It stores pointers for shapes. Without it, GIS software would scan the entire geometry file to locate features. Its role ensures faster data access and smooth map rendering.

Main use: Quickly locating vector shapes in mapping software.
Supporting role: Linking shape geometry with attribute info in complete GIS datasets.
Operational benefit: Enhancing performance by avoiding full file scans.

For more on shapefiles, visit Wikipedia.

Associated file extensions

.dbf, .shx, .shp

Usage Examples

HTTP Header

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


    Content-Type: application/vnd.shx

HTML

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


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

Associated file extensions

.dbf, .shx, .shp

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.