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Version 2.0 of the specification was released in November 2010, [8] giving recommendations concerning the use of Exif, IPTC and XMP metadata in images. Extensible Metadata Platform (XMP) is an ISO standard , originally created by Adobe Systems Inc. , for the creation, processing and interchange of standardized and custom metadata for digital ...
ExifTool is a free and open-source software program for reading, writing, and manipulating image, audio, video, and PDF metadata.As such, ExifTool classes as a tag editor.It is platform independent, available as both a Perl library (Image::ExifTool) and a command-line application.
The focus of the group is to advance the interoperability of metadata stored in digital media. Its specification, Guidelines for Handling Image Metadata, defined the interoperability among Exif, IIM (old IPTC), and XMP with consumer digital images. The following properties were selected for interoperability: keywords
Picasa - Image organizer/viewer, uses XMP for face tagging (Microsoft Windows, Mac OS X, Linux) PixelPeeper - can read Exif and XMP metadata from JPG files. Also, it can turn XMP metadata into Lightroom-compatible presets. Portfolio - DAM software, can read/write XMP in supported file formats (Microsoft Windows, Mac OS X)
IIM metadata can be embedded into JPEG/Exif, TIFF, JPEG2000 or Portable Network Graphics formatted image files. Other file formats such as GIF or PCX do not support IIM. IIM's file structure technology has largely been overtaken by the Extensible Metadata Platform (XMP), but the IIM attribute definitions are the basis for the IPTC Core schema ...
DCF optional file – an image file with filename extension ".JPG" conforming to the Exif specification, used when an image is to undergo extensive processing notably in professional uses; uses DCF optional color space; DCF extended image file – a file with a filename (and data structure) other than "JPG" or "THM".
Write XMP Rating/Label, IPTC metadata, Windows Rating, embedded or in sidecar files, shows shooting info (Exif) and realtime RGB histogram No Yes Yes (supports custom monitor profile, direct conversion from image colorspace to monitor colorspace, ICC v4) N/A Yes, native
Image metadata which can be useful for inclusion in any CMS environment or database. These include the exposure settings, camera/scanner/lens model, date (and, optionally, place) of shoot/scan, authoring information and other. Some raw files contain a standardized metadata section with data in Exif format. An image thumbnail