Exiv2 - Exif and IPTC metadata library and tools
Author: Andreas Huggel
Description: Open source Exif and IPTC metadata library and tools with Exif MakerNote and read/write support
Keywords: exif, iptc, metadata, makernote, manipulation, manipulate, read and write, write, change, update, jpeg, jpg, ifd, image file directory, thumbnail, thumbnails, tag, tags, canon, fujifilm, sigma/foveon, nikon, open source, opensource, huggel, andreas, andreas huggel

- Main Page
- Namespaces
- Classes
- Files
- Examples

- Exif
- Canon
- Fujifilm
- Minolta
- Nikon
- Olympus
- Panasonic
- Pentax
- Sigma/Foveon
- Sony

- IPTC datasets

- dc
- xmp
- xmpRights
- xmpMM
- xmpBJ
- xmpTPg
- xmpDM
- pdf
- photoshop
- crs
- tiff
- exif
- aux
- Iptc4xmpCore

# Exiv2 Tag Tables

## Photoshop Schema

This schema specifies XMP properties used by Adobe Photoshop.

- Exiv2 keys are `Xmp.photoshop.<Property>`
- The schema namespace URI is `http://ns.adobe.com/photoshop/1.0/`
- The preferred schema namespace prefix is `photoshop`

Reference: XMP specification

Click on a column header to sort the table.

Property | Label | Value type | Exiv2 type | Category | Description
--- | --- | --- | --- | --- | ---
AuthorsPosition | Authors Position | Text | XmpText | External | By-line title.
CaptionWriter | Caption Writer | ProperName | XmpText | External | Writer/editor.
Category | Category | Text | XmpText | External | Category. Limited to 3 7-bit ASCII characters.
City | City | Text | XmpText | External | City.
Country | Country | Text | XmpText | External | Country/primary location.
Credit | Credit | Text | XmpText | External | Credit.
DateCreated | Date Created | Date | XmpText | External | The date the intellectual content of the document was created (rather than the creation date of the physical representation), following IIM conventions. For example, a photo taken during the American Civil War would have a creation date during that epoch (1861-1865) rather than the date the photo was digitized for archiving.
Headline | Headline | Text | XmpText | External | Headline.
Instructions | Instructions | Text | XmpText | External | Special instructions.
Source | Source | Text | XmpText | External | Source.
State | State | Text | XmpText | External | Province/state.
SupplementalCategories | Supplemental Categories | bag Text | XmpBag | External | Supplemental category.
TransmissionReference | Transmission Reference | Text | XmpText | External | Original transmission reference.
Urgency | Urgency | Integer | XmpText | External | Urgency. Valid range is 1-8.