# phpman > man > Image::ExifTool::Validate

## NAME
    [Image::ExifTool::Validate](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool%3A%3AValidate/markdown) - Additional metadata validation

## SYNOPSIS
    This module is used by [Image::ExifTool](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool/markdown)

## DESCRIPTION
    This module contains additional routines and definitions used when the ExifTool Validate option
    is enabled.

## AUTHOR
    Copyright 2003-2022, Phil Harvey (philharvey66 at gmail.com)

    This library is free software; you can redistribute it and/or modify it under the same terms as
    Perl itself.

## SEE ALSO
    Image::[ExifTool(3pm)](https://www.chedong.com/phpMan.php/man/ExifTool/3pm/markdown), "Extra Tags" in [Image::ExifTool::TagNames](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool%3A%3ATagNames/markdown)