What is MIME type "application/dart"?

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

application/dart is the MIME type for files that contain source code written in the Dart programming language.

It tells tools like web servers, editors, and build systems how to handle Dart code. The file uses the extension DART to signal its content and purpose.

Main use: Recognizing Dart source files so that the correct rules and features are applied.
Usage scenario: Enabling syntax highlighting, linting, and compilation in code editors and development tools.
Practical integration: Supporting app development with frameworks like Flutter and web programming where Dart code is compiled to JavaScript.

This MIME type is essential for ensuring that Dart files are correctly processed. For more details, check out the Dart official website.

Associated file extensions

.dart

Usage Examples

HTTP Header

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


    Content-Type: application/dart

HTML

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


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

Associated file extensions

.dart

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.