# Module jdk.jartool

Defines tools for manipulating Java Archive (JAR) files, including the jar and jarsigner tools.

This module provides the equivalent of command-line access to jar via the `ToolProvider` SPI. Instances of the tool can be obtained by calling `ToolProvider.findFirst` or the service loader with the name `"jar"`.

Tool Guides:
  jar, jarsigner

Module Graph:
Since:
  9

- - ### Packages

    Exports
    Package | Description
    --- | ---
    com.sun.jarsigner | This package comprises the interfaces and classes used to define the signing mechanism used by the `jarsigner` tool.
    jdk.security.jarsigner |