What is MIME type "image/jpeg2000"?

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

image/jpeg2000 is a MIME type that designates images using the JPEG 2000 standard. It is a modern image format known for its efficient compression and high quality.

This format employs a wavelet transform to compress images. It offers both lossy and lossless methods. These features help maintain image detail while reducing file size.

Efficient Compression: Delivers high quality at smaller file sizes.
Dual Compression Modes: Supports both lossless and lossy compression.
Professional Imaging: Used in tasks like high-resolution editing and digital archiving.

Files using this MIME type typically use the JP2 extension.

For more technical details, check out Learn more about JPEG 2000.

Associated file extensions

.jp2

Usage Examples

HTTP Header

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


    Content-Type: image/jpeg2000

HTML

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


    <a href="file.dat" type="image/jpeg2000">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', 'image/jpeg2000');
      res.end('Content here');
    }).listen(3000);

Associated file extensions

.jp2

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.