JAR (file format)
KDE JAR file icon | |
| Filename extension | .jar |
|---|---|
| Internet media type |
application/java-archive |
| Uniform Type Identifier (UTI) | com.sun.java-archive |
| Magic number | 50 4b 03 04 ASCII:PK\x03\x04 |
| Developed by | Netscape, Sun Microsystems, Oracle Corporation |
| Type of format | File archive, data compression |
| Extended from | ZIP |
A JAR ("Java archive") file is a package file format typically used to aggregate many Java class files and associated metadata and resources (text, images, etc.) into one file for distribution.
JAR files are archive files that include a Java-specific manifest file. They are built on the ZIP format and typically have a .jar file extension.