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Purpose Properties extraction, identification, metadata editing
Source Code Repository
Distributed under same terms as Perl language (GNU GPL or "Artistic license")
Debian Package  


Metadata / feature extraction and editing tool. Supports many formats; mainly still image formats but also documents and various audio and video formats. Although ExifTool is not a validator, it often reports useful information in case of defective files.

User Experiences

e.g. links to AQuA/SCAPE/Hackathon issues that use the tool
SPRUCE Mashup - London 2012 - "Solving TIFF malformation using exiftool"

News Feeds

Release Feed

ExifTool Updates
(RSS feed for ExifTool updates)
ExifTool 11.52
  • Added a few new Nikon CropHiSpeed values (thanks Hayo Baan)
  • Added a couple of new Nikon LensID's
  • Fixed problem where processing large, corrupt AIFF files may could take an excessively long time
  • API Changes:
ExifTool 11.51
  • Decode Canon DistortionCorrection tags
  • Removed a minor EXIF warning when processing EPS files with a DOS header
  • Fixed bug which caused an error when rewriting some EPS files multiple times
ExifTool 11.50 (production release)
  • Added a new Canon LensType and two new Sony LensTypes (thanks LibRaw)
  • Added tiff_version and rotate_regions config files to the distribution
  • Added two new QuickTime Keys tags and made some existing Keys unwritable
  • Improved Composite LensID logic to make better use of EXIF LensModel
  • Improved logic when writing BinaryData tags to allow multiple interdependent tags to be written in a single command
  • Improved -htmldump output to show names of Unknown tags
  • Allow advanced formatting expressions to access the current tag key ($tag)
  • Remove escaped nulls from -json string values
  • Reverted change in ExifTool 11.38 so that Composite GPS reference directions are generated again even if the EXIF versions of these tags already exist
  • Fixed an incorrect FlashPix CodePage conversion
ExifTool 11.49
  • Added inverse print conversion for one of the QuickTime ItemList Genre tags
  • Avoid creating a few obscure QuickTime UserData tags when writing
  • Fixed problem where some QuickTime groups were not being created when writing QuickTime tags without specifying a group
  • Fixed problem where QuickTime Keys tags could be duplicated when writing an existing alternate-language tag
  • Fixed problem were QuickTime Keys alternate-language tags would not be written when deleting the corresponding default-language tag in the same command
  • Fixed some inconsistencies when writing QuickTime tags using the -wm (WriteMode) option
  • Fixed an incorrect Pentax Sigma LensType value
ExifTool 11.48
  • Added write support for Google GCamera and GCreation XMP tags
  • Renamed XMP-GDepth "Data" tag to "DepthImage"
  • Fixed bug where some QuickTime UserData tags could be duplicated when writing
ExifTool 11.47
  • Fixed problem which resulted in a warning for one of the CanonVRD tests on some platforms
ExifTool 11.46 - "CR3 update"
  • Added ability to write CanonVRD tags in CR3 images
  • Decode a couple more tags from Canon CR3 images
  • Enhanced Validate option to check for duplicate QuickTime atoms
  • Relaxed contraints when writing IPTC date tags to allow use of separators other than a colon
  • Fixed CR3 writing to update CTBO table with any changed offsets or sizes (although this table doesn't seem to be used by any RAW viewer, it may be used in-camera to improve response time when browsing images)
tool tool Delete
untagged untagged Delete
validation validation Delete
video video Delete
characterisation characterisation Delete
jpeg2000 jpeg2000 Delete
extraction extraction Delete
characterise characterise Delete
tiff tiff Delete
jp2 jp2 Delete
cli cli Delete
tools tools Delete
audio audio Delete
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