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The Exif format has a number of drawbacks, mostly relating to its use of legacy file structures. The derivation of Exif from the TIFF file structure using offset pointers in the files means that data can be spread anywhere within a file, which means that software is likely to corrupt any pointers or corresponding data that it does not decode ...
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.
A file signature is data used to identify or verify the content of a file. Such signatures are also known as magic numbers or magic bytes.. Many file formats are not intended to be read as text.
Legend: File formats: the image or video formats allowed for uploading; IPTC support: support for the IPTC image header . Yes - IPTC headers are read upon upload and exposed via the web interface; properties such as captions and keywords are written back to the IPTC header and saved along with the photo when downloading or e-mailing it
DCF basic file – an image file with filename extension ".JPG" conforming to the Exif specification; uses sRGB color space; 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
file name, comments, most Exif and meta data Yes linear, block, complex Yes Exif and IPTC Yes many editing function Yes Yes Yes by changing EXIF orientation and not in editor Yes Geotagging, batch processing, detect duplicate/similar images, export to Internet/social media/HTML Eye of GNOME: No No Yes Yes Rotate Yes unconfigurable Yes F-Spot: Yes
Exif: Exchangeable Image File Format .exif EVA Extended Vector Animation Sharp Corporation.eva application/x-eva EXR: OpenEXR ILM.exr image/exr Used in film effects for 3d rendering and hdr images. Yes [5] FITS: Flexible Image Transport System .fit, .fits Scientific (esp. astronomical) data acquisition FLIC: Autodesk.fli, .flc, .flx, .flh, .flt
Exif is a standard that specifies the image and audio file formats used by digital cameras, including some metadata tags. [32] TagSpaces is an open-source cross-platform application for tagging files; it inserts tags into the filename .