Image::ExifTool::APP12(3) User Contributed Perl Documentation Image::ExifTool::APP12(3)

# [NAME](#NAME)

Image::ExifTool::APP12 - Read APP12 meta information

# [SYNOPSIS](#SYNOPSIS)

This module is loaded automatically by Image::ExifTool when required.

# [DESCRIPTION](#DESCRIPTION)

This module contains definitions required by Image::ExifTool to interpret APP12 meta information.

# [AUTHOR](#AUTHOR)

Copyright 2003-2026, 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.

# [ACKNOWLEDGEMENTS](#ACKNOWLEDGEMENTS)

Thanks to Heinrich Giesen for his help decoding APP12 "Ducky" information.

# [SEE ALSO](#SEE_ALSO)

"APP12 Tags" in Image::ExifTool::TagNames, [**Image::ExifTool**(3pm)](/man/os/exiftool/Image::ExifTool.3pm)

2026-07-15 perl v5.42.2

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Document: Image::ExifTool::APP12(3pm) from exiftool 13.59-r2 (Chainguard OS)
Source: https://github.com/exiftool/exiftool