## PDF Tags

The tags listed in the PDF tables below are those which are used by ExifTool to extract meta information, but they are only a small fraction of the total number of available PDF tags.

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'Info' | Info | - | --> PDF Info Tags
> 'Root' | Root | - | --> PDF Root Tags

## PDF Info Tags

As well as the tags listed below, the PDF specification allows for user-defined tags to exist in the Info dictionary. These tags, which should have corresponding XMP-pdfx entries in the PDF Metadata, are also extracted by ExifTool.

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'Author' | Author | N |
> 'CreationDate' | CreateDate | N |
> 'Creator' | Creator | N |
> 'Keywords' | Keywords | N+ |
> 'ModDate' | ModifyDate | N |
> 'Producer' | Producer | N |
> 'Subject' | Subject | N |
> 'Title' | Title | N |
> 'Trapped' | Trapped | N |

## PDF Root Tags

This is the PDF document catalog.

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'Metadata' | Metadata | - | --> PDF Metadata Tags
> 'Pages' | Pages | - | --> PDF Pages Tags

## PDF Metadata Tags

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'XML_stream' | XMP | - | --> XMP Tags

## PDF Pages Tags

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'Count' | PageCount | N |
> 'Kids' | Kids | - | --> PDF Kids Tags

## PDF Kids Tags

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'Metadata' | Metadata | - | --> PDF Metadata Tags
> 'PieceInfo' | PieceInfo | - | --> PDF PieceInfo Tags
> 'Resources' | Resources | - | --> PDF Resources Tags

## PDF PieceInfo Tags

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'AdobePhotoshop' | AdobePhotoshop | - | --> PDF AdobePhotoshop Tags

## PDF AdobePhotoshop Tags

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'Private' | Private | - | --> PDF Private Tags

## PDF Private Tags

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'ImageResources' | ImageResources | - | --> PDF ImageResources Tags

## PDF ImageResources Tags

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'stream' | Stream | - | --> Photoshop Tags

## PDF Resources Tags

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'ColorSpace' | ColorSpace | - | --> PDF ColorSpace Tags

## PDF ColorSpace Tags

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'DefaultRGB' | DefaultRGB | - | --> PDF DefaultRGB Tags

## PDF DefaultRGB Tags

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'ICCBased' | ICCBased | - | --> PDF ICCBased Tags

## PDF ICCBased Tags

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 'stream' | Stream | - | --> ICC_Profile Tags

(This document generated automatically by Image::ExifTool::BuildTagLookup)
Last revised Apr 17, 2006

<-- ExifTool Tag Names