# phpman > man > Image::ExifTool::Scalado(3pm)

## NAME
    [Image::ExifTool::Scalado](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool%3A%3AScalado/markdown) - Read APP4 SCALADO metadata

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

## DESCRIPTION
    This module contains definitions required by [Image::ExifTool](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool/markdown) to read metadata from the JPEG APP4
    SCALADO segment.

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