Photo tagging exif IPTC XMP


First, only an idiot would put the metadata in a separate file - when files get separated, your work is lost.

There are three main inline metadata formats for photo tagging:

Metadata Formats

EXIF

The metadata captured by your camera is called EXIF(Exchangeable Image File Format) Think - exposure time, aperture, GPS data. Somewhat fragile(easy to corrupt) - non extendable.

IPTC

Created in the 1970's as IPTC(International Press Telecommunications Council) for the news business. Somewhat fragile(easy to corrupt) - non extendable.

XMP

XMP(Extensible Metadata Plateform) Supports most of the old IPTC headers and a lot more. XMP is XML and extensible and looks to be THE standard.

Command Line Tools

Both of these support EXIF IPTC and XMP

File Types

JPG

PNG

SVG


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This information may have errors; It is not permissible to be read by anyone who has ever met a lawyer.
Use is confined to Engineers with more than 370 course hours of electronic engineering for theoretical studies.
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