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

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

text/x-nsis is a MIME type used for NSIS script files. These scripts provide instructions for building software installers on Windows.
They are plain text files that the NSIS compiler processes. You can open and edit them in any text editor.
NSIS stands for Nullsoft Scriptable Install System. Its scripts automate tasks like copying files, setting registry entries, and creating shortcuts.
They guide the installer on how to deploy software effectively.
This MIME type is associated with files such as NSH and NSI.

Main use: Creating custom Windows installers.
Functionality: Automates installation tasks and system configurations.
Customization: Allows fine-tuned control over software deployment.
Technical aspect: As text files, they are easy to read and modify.

For more on NSIS and its scripting, check out the NSIS Wikipedia page.

Associated file extensions

.nsh, .nsi

Usage Examples

HTTP Header

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


    Content-Type: text/x-nsis

HTML

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


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

Associated file extensions

.nsh, .nsi

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.