ACDSee's main features are speed, lossless RAW/image editing, image batch processing, metadata (Exif/IPTC), with support to edit/embed metadata in image files, rating, keywords, and categories, and geotagging/GPS support.
The software comes with a handbook and a database to store Exif / IPTC data and color informationen.
The Exif specification describes the RIFF file format used for WAV audio files, and defines a number of tags for storing meta information such as artist, copyright, creation date, and more in these files.
ExifTool is commonly incorporated into different types of digital workflows and supports many types of metadata including Exif, IPTC, XMP, JFIF, GeoTIFF, ICC Profile, Photoshop IRB, FlashPix, AFCP and ID3, as well as the manufacturer-specific metadata formats of many digital cameras.
The application features a batch processor, slideshow mode, image preview browser, and access to metadata comments (such as XMP, Exif, and IPTC).
In addition, Twango saved all the original media and its metadata (this includes, but is not limited to, IPTC and Exif).
It focuses heavily on support (including but not limited to display, editing, and filtering) for metadata, primarily in the Exif format, including such information types as titles, authors, descriptions, keywords, audio notes, digital signatures, and GPS data.