What is MIME type "image/vnd.dwf"?

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

image/vnd.dwf is a label for files that use Autodesk’s Design Web Format. They carry detailed design data in a compact and secure form. Files with this MIME type use the DWF extension.

This format supports sharing intricate design details without sharing the original heavy CAD files. It preserves both the graphics and metadata. This helps when precise review or printing is needed.

Learn more about this format at FileXT.

Associated file extensions

.dwf

Usage Examples

HTTP Header

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


    Content-Type: image/vnd.dwf
  

HTML

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


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

Associated file extensions

.dwf

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.