---
description: |
    The `packer validate` Packer command is used to validate the syntax and
    configuration of a template. The command will return a zero exit status on
    success, and a non-zero exit status on failure. Additionally, if a template
    doesn't validate, any error messages will be outputted.
layout: docs
page_title: 'Validate - Command-Line'
...

# Command-Line: Validate

The `packer validate` Packer command is used to validate the syntax and
configuration of a [template](/docs/templates/introduction.html). The command
will return a zero exit status on success, and a non-zero exit status on
failure. Additionally, if a template doesn't validate, any error messages will
be outputted.

Example usage:

``` {.text}
$ packer validate my-template.json
Template validation failed. Errors are shown below.

Errors validating build 'vmware'. 1 error(s) occurred:

* Either a path or inline script must be specified.
```

## Options

-   `-syntax-only` - Only the syntax of the template is checked. The
    configuration is not validated.