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

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

application/vnd.ufdl is a vendor-specific MIME type. It defines a file format that holds detailed and structured data for form definitions and layouts.

This MIME type is used in specialized software that manages electronic forms and documents. Files using this type store instructions to render, manipulate, and validate data in forms.

• Exchanging structured form templates between systems
• Maintaining data integrity in digital workflows
• Automating document processing in enterprise environments

Files associated with this type are typically saved with the extensions UFD and UFDL.

This format ensures that complex form data, including layout, field definitions, and embedded instructions, is reliably transmitted between compatible applications.

For further details, refer to the official MIME type registry available at IANA Media Types.

Associated file extensions

.ufd, .ufdl

Usage Examples

HTTP Header

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

    Content-Type: application/vnd.ufdl
  

HTML

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

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

Associated file extensions

.ufd, .ufdl