---
description: |
    Packer is designed to be extensible. Because the surface area for workloads is
    infinite, Packer supports plugins for builders, provisioners, and
    post-processors.
layout: docs
page_title: Extending
sidebar_current: 'docs-extending'
---

# Extending Packer

Packer is designed to be extensible. Because the surface area for workloads is
infinite, Packer supports plugins for builders, provisioners, and
post-processors. To learn more about the different customizations, please choose
a link from the sidebar.