What is MIME type "application/x-uha-compressed"?

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

The MIME type application/x-uha-compressed identifies files that use the UHARC compression method. It tells the system that the file is a compressed archive intended to bundle and shrink data.

This format is used to pack many files into one container. It helps minimize storage space and makes transfers easier. Files using this method normally have the UHA extension and require a specialized tool to decompress.

Used to consolidate multiple files into one archive.
Optimizes backups by reducing file sizes.
May need dedicated software to open the compressed archive.
Is niche compared to common formats like ZIP.

For more insight into MIME types and their registration, check the IANA Media Types Listing.

Associated file extensions

.uha

Usage Examples

HTTP Header

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


    Content-Type: application/x-uha-compressed

HTML

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


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

Associated file extensions

.uha

FAQs

What is the application/x-uha-compressed MIME type used for?

This media type represents archives compressed using the UHARC algorithm, typically associated with the .uha extension. It is known for achieving extremely high compression ratios, often significantly better than standard ZIP files, making it popular for compressing large media or game files.

How do I open a file served as application/x-uha-compressed?

You need specialized software to open these archives, such as WinUHA or the UHARC command-line tool. Most standard operating system tools (like Windows Explorer) and common archivers (like WinZip) do not natively support this format without additional plugins.

How do I configure an Apache server to handle .uha files?

To ensure your web server identifies these files correctly, add the following line to your .htaccess file or main configuration: AddType application/x-uha-compressed .uha. This ensures that when a user clicks a link to a UHARC file, the browser prompts them to download it rather than trying to display it as text.

Why use UHARC over standard formats like ZIP?

The primary advantage of application/x-uha-compressed is its superior compression density, which saves significant disk space and bandwidth. However, this comes at the cost of much slower decompression speeds and a lack of native support compared to application/zip.

Do web browsers support application/x-uha-compressed natively?

No, modern web browsers like Chrome, Firefox, and Edge do not have built-in support to open or view UHA files. When a browser encounters this MIME type, it will simply download the file to the user's computer, where a desktop application is required to extract the contents.

What does the "x-" prefix indicate in this MIME type?

The x- prefix signifies that application/x-uha-compressed is a non-standard or experimental subtype that is not officially registered with the IANA. It is a convention used for proprietary formats where the software handling the file agrees on the specific encoding method.

General 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.