What is MIME type "application/vnd.kde.kontour"?

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

application/vnd.kde.kontour is the MIME type for files created by the KDE Kontour application.
It stores mapping data and digital contours. The format packages coordinates and styling details for maps.
Files of this type use the KON extension.
This structured format ensures that software correctly identifies and processes the map and contour data.
For more details, check out the KDE official site.

Associated file extensions

Usage Examples

HTTP Header

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


    Content-Type: application/vnd.kde.kontour    
  

HTML

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


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

Associated file extensions

FAQs

What is an application/vnd.kde.kontour file?

This MIME type represents vector graphics files created by KDE Kontour, a vector drawing application that was part of the KOffice suite. These files, typically ending in the .kon extension, store digital contours, mapping data, and vector illustrations specific to the KDE desktop environment.

How do I open a file with the .kon extension?

You need software from the KDE ecosystem to open these files, specifically the legacy Kontour application or its successor, Karbon (part of the Calligra Suite). Since this is a specialized format, standard image viewers on Windows or macOS will likely not recognize it without specific KDE libraries installed.

How do I configure Apache to serve .kon files correctly?

To ensure your web server delivers the correct headers, add the MIME type definition to your .htaccess file or main configuration. Use the following line: AddType application/vnd.kde.kontour .kon.

Can web browsers display application/vnd.kde.kontour files?

No, modern web browsers do not support rendering KDE Kontour files natively. If a user navigates to a URL pointing to this MIME type, the browser will trigger a file download rather than displaying the vector image.

How can I convert a KON file to a web-friendly format?

You should open the file using the original KDE Kontour or Karbon software and export the project to a standard format like SVG (image/svg+xml) or PDF. This ensures the vector data can be viewed across different platforms and browsers.

What does the 'vnd' in the MIME type mean?

The vnd prefix stands for vendor, indicating that application/vnd.kde.kontour is a vendor-specific file format developed by KDE, rather than a generic industry standard. See more about specific file associations at KON.

General 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.