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

# [NAME](#NAME)

Image::ExifTool::PDF - Read PDF meta information

# [SYNOPSIS](#SYNOPSIS)

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

# [DESCRIPTION](#DESCRIPTION)

This code reads meta information from PDF (Adobe Portable Document Format) files. It supports object streams introduced in PDF-1.5 but only with a limited set of Filter and Predictor algorithms, however all standard encryption methods through PDF-2.0 are supported, including AESV2 (AES-128) and AESV3 (AES-256).

# [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://partners.adobe.com/public/developer/pdf/index\_reference.html>

[Crypt::RC4](#Crypt::RC4)

<http://www.adobe.com/devnet/acrobat/pdfs/PDF32000\_2008.pdf>

<http://www.adobe.com/content/dam/Adobe/en/devnet/pdf/pdfs/adobe\_supplement\_iso32000.pdf>

<http://tools.ietf.org/search/rfc3454>

<http://www.armware.dk/RFC/rfc/rfc4013.html>

# [SEE ALSO](#SEE_ALSO)

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

2026-10-28 perl v5.44.0

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Document: Image::ExifTool::PDF(3pm) from exiftool 13.60-r0 (Chainguard OS)
Source: https://github.com/exiftool/exiftool