EXIFTOOL SYNTAX SOFTWARE

In this case the printed value of GPSAltitudeRef will be '0' or '1', and Or any unambiguous short form may be used and ExifTool will know what you mean, ie)Īlternatively, the print conversion can be disabled with the ‑n The inverse print conversion is applied when writing values.) For example,Įxiftool '-gpsaltituderef=Above Sea Level' image.jpg Value that is printed as 'Above Sea Level' must also be written in that form. Reading and writing with ExifTool is symmetrical, so a ForĮxample, the GPSAltitudeRef tag defines the following conversions:įor this tag, a value of '0' is printed as 'Above Sea Level', and '1' is printedĪs 'Below Sea Level'. These print conversions are documented for all tags in the ValuesĬolumn of the Tag Name documentation. 'I get the following error when writing a tag:ĮxifTool applies a print conversion (PrintConv) to the printed values of all If the meta information format requires a timezone and one is not specified, The standard EXIF date/time format is ' YYYY:MM:DD hh:mm:ss',Īnd a timezone may be specified by adding To standard EXIF format, so this is also the way it is specified when writing. ExifTool converts all date and time information 'How do I format date and time information for writing?' All information (including date/time information) is written in the They haven't been rounded off at all, but you may see odd values like 1/102ĥ. IfĪvailable, the MakerNotes values are the typically the most accurate because The APEX values (EXIF:ApertureValue andĮXIF:ShutterSpeedValue) may be different due to their own round-off errors. The standard EXIF values (EXIF:FNumber andĮXIF:ExposureTime) should correspond to the values displayed by your camera, but There are a number of different ways that aperture and shutter speed information 'ExifTool reports more than one shutter speed or aperture value, and Prefixing the tag name on the command line with the desired group name. You can read or write information in a specific location by Once you know where it should go, you can use ExifTool to write to this Other software, then use ExifTool to determine where the information was

Written by ExifTool, if possible try first writing the information from the

EXIFTOOL SYNTAX SOFTWARE

If you are having problems with other software reading information Show the tag ID numbers if you are familiar with these). ‑s to show the actual tag names instead of the the location) of each tag, and ' FILENAME' is In this command, ‑a allowsĭuplicate tags to be displayed, ‑G1 shows the family 1 ' exiftool -a -G1 FILENAME' to show all information and the Information may beĭuplicated in different locations within an image. Make sure you are looking at the right information. 'Other software can't read information written by ExifTool' 'ExifTool doesn't write a tag properly', orģc. 'ExifTool reports the wrong value for a tag',ģb.

Information to see the corresponding group names.ģa. To specify a particular information type or location. Tag names may be optionally prefixed by a family 0 or 1 group name To print the tag names instead, use theĭocumentation for a complete list of available tag names. When you run exiftool, by default it prints descriptions, not tag names, for 'How do I determine the tag name for some information?' 'Is there a forum for discussing ExifTool issues?'ĮxifTool issues can be discussed on the CPAN forum atĢ.

Exiftool syntax