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

# [NAME](#NAME)

Image::ExifTool::PNG - Read and write PNG meta information

# [SYNOPSIS](#SYNOPSIS)

This module is used by Image::ExifTool

# [DESCRIPTION](#DESCRIPTION)

This module contains routines required by Image::ExifTool to read and write PNG (Portable Network Graphics), MNG (Multi-image Network Graphics) and JNG (JPEG Network Graphics) images.

# [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.

# [REFERENCES](#REFERENCES)

<http://www.libpng.org/pub/png/spec/1.2/>

<http://www.faqs.org/docs/png/>

<http://www.libpng.org/pub/mng/>

<http://www.libpng.org/pub/png/spec/register/>

# [SEE ALSO](#SEE_ALSO)

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

2026-10-09 perl v5.44.0

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Document: Image::ExifTool::PNG(3pm) from exiftool 13.59-r3 (Chainguard OS)
Source: https://github.com/exiftool/exiftool