What is MIME type "text/x-mask"?

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

text/x-mask is a MIME type used for files that store masking instructions in a plain text format. Unlike many standardized formats, the x- prefix indicates it is experimental or niche.

This format enables software to interpret clear text directives that define which areas of data or an image should be hidden, modified, or emphasized. Editing these files is simple with any text editor and can tailor the operation of a masking process.

• Mask Data Storage – It holds rules and parameters for masking specific parts of content.
• Flexibility – Its plain text nature allows easy modifications for tweaking mask operations.
• Software Configuration – Some applications use it to configure which image areas or data points get processed.

The format is associated with files using the file type MASK. This association helps systems recognize and properly process the masking instructions embedded in the file.

For more details on MIME types and file handling, check additional resources like the IANA MIME Media Types.

Associated file extensions

.mask

Usage Examples

HTTP Header

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

    Content-Type: text/x-mask
  

HTML

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

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

Associated file extensions

.mask