ApplicationBinary

`application/java-archive`

Java Archive (JAR)

Reference for application/java-archive, the MIME type for Java JAR files containing compiled classes and resources.

MIME Type Detector

Drop a file to detect its MIME type — no upload, runs in your browser

📄

Drop any file here or click to choose

Expected extensions: .jar, .war, .ear

HTTP Content-Type Header

HTTP Header

Content-Type: application/java-archive

Associated File Extensions

.jar.war.ear

Quick Facts

MIME Type	application/java-archive
Category	Application
Type	Binary
Extensions	.jar, .war, .ear

Common Usage

JAR files package compiled Java classes, resources, and metadata into a single ZIP-based archive. They are used for distributing Java libraries and applications, deploying web applications (WAR), enterprise applications (EAR), and managing dependencies in Maven and Gradle projects.

Code Examples

HTML

<!-- Link or embed with explicit type -->
<link rel="stylesheet" href="file.jar" type="application/java-archive">

<!-- Or for script/media elements -->
<script type="application/java-archive" src="file.jar"></script>

Node.js

// Express.js
app.get('/file', (req, res) => {
  res.type('application/java-archive');
  res.send(data);
});

// Node.js http
res.writeHead(200, { 'Content-Type': 'application/java-archive' });

nginx

# nginx.conf — add to types block or use default
types {
    application/java-archive  jar war ear;
}

# Or set for a specific location
location /api/ {
    default_type application/java-archive;
}