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

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

The MIME type text/x-brainfuck marks plain text files that contain code written in the Brainfuck language. Brainfuck is known for its tiny set of commands and minimalist design.
It is mostly used for fun coding challenges, academic experiments, and demonstration of computational theory.

• Main Use Case: Identifying files that contain Brainfuck code for proper syntax interpretation.
• Syntax Highlighting: Many code editors use the MIME type to enable specialized highlighting and formatting.
• Recreational Programming: It supports code golf, puzzles, and showcasing Turing-completeness in a compact form.

Files with this MIME type may come with extensions such as B and BF. Their naming reflects historical choices and community standards.
For a broader context on Brainfuck, see its Wikipedia page.

Associated file extensions

.b, .bf

Usage Examples

HTTP Header

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

    Content-Type: text/x-brainfuck
  

HTML

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

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

Associated file extensions

.b, .bf