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A command-line interface to Image::ExifToolused for reading and writing meta information in a variety of file types. FILE is one or more source file names, directory names, or for the standard input. Metadata is read from source files and printed in readable form to the console or written to output text files with -w. To copy or move metadata, the -tagsFromFile feature is used. Once in write mode, exiftool will ignore any read-specific options. Note: If FILE is a directory name then only supported file types in the directory are processed in write mode only writable types are processed. However, files may be specified by name, or the -ext option may be used to force processing of files with any extension. Hidden files in the directory are also processed. Adding the -r option causes subdirectories to be processed recursively, but those with names beginning with ". Many single-character options have equivalent long-name versions shown in bracketsand some options have inverses which are invoked with a leading double-dash. Unrecognized options are interpreted as tag names for this reason, multiple single-character options may NOT be combined into one argument. A tag name is the handle by which a piece of information is referenced. See Image::ExifTool::TagNames for documentation on available tag names. A tag name may include leading group names separated by colons eg. A special tag name of All may be used to indicate all meta information. This is particularly useful when a group name is specified to extract all information in a group but beware that unless the -a option is also used, some tags in the group may be suppressed by same-named tags in other groups. Note that arguments containing wildcards must be quoted on the command line of most systems to prevent shell globbing. A may be appended to the tag name to disable the print conversion on a per-tag basis see the -n option. This may also be used when writing or copying tags. If no tags are specified, all available information is extracted as if -All had been specified. Note: Descriptions, not tag names, are shown by default when extracting information. Use the -s option to see the tag names instead. Exclude specified tag from extracted information. Same as the -x option. Group names and wildcards are permitted as described above for -TAG. Once excluded from the output, a tag may not be re-included by a subsequent option. May also be used following a -tagsFromFile option to exclude tags from being copied when redirecting to another tag, it is the source tag that should be excludedor to exclude groups from being deleted when deleting all information eg. But note that this will not exclude individual tags from a group delete unless a family 2 group is specified, see note 4 below. Instead, individual tags may be recovered using the -tagsFromFile option eg. Write a new value for the specified tag eg. TAG may contain one or more leading family 0, 1 or 2 group names, prefixed by optional family numbers, and separated colons. If no group name is specified, the tag is created in the preferred group, and updated in any other location where a same-named tag already exists. The preferred group is the first group in the following list where TAG is valid EXIF, 2 IPTC, 3 XMP. When specified with wildcards, "unsafe" tags are not written. However, this will remove color space information, so the colors may be affected but this may be avoided by copying back the tags defined by the ColorSpaceTags shortcut. Use the -listd option for a complete list of deletable groups, and see note 5 below regarding the "APP" groups. Also, within an image some groups may be contained within others, and these groups are removed if the containing group is deleted JPEG Image Deleting EXIF or IFD0 also deletes ExifIFD, GlobParamIFD, GPS, IFD1, InteropIFD, MakerNotes, PrintIM and SubIFD Deleting ExifIFD also deletes InteropIFD and MakerNotes Deleting Photoshop also deletes IPTC TIFF Image Deleting EXIF only removes ExifIFD which also deletes InteropIFD and MakerNotes. Notes Many tag values may be assigned in a single command. If two assignments affect the same tag, the latter takes precedence except for list-type tags, for which both values are written In general, MakerNotes tags are considered "Permanent", and may be edited but not created or deleted individually. Otherwise all deletable tags in the specified group s are removed individually, and in this case is it possible to exclude individual tags from a mass delete. For example, -time:all --Exif:Time:All removes all deletable Time tags except those in the EXIF. This difference also applies if family 2 is specified when deleting all groups. Special feature: Integer values may be specified in hexadecimal with a leading 0xand simple rational values may be specified as fractions. Set the value of a tag from the contents of file DATFILE. Copy tag values from SRCFILE to FILE. Tag names on the command line after this option specify the tags to be copied, or excluded from the copy. Wildcards are permitted in these tag names. If no tags are specified, then all possible tags see note 1 below from the source file are copied to same-named tags in the preferred location of the output file the same as specifying -all More than one -tagsFromFile option may be used to copy tags from multiple files. By default, this option will update any existing and writable same-named tags in the output FILEbut will create new tags only in their preferred groups. This allows some information to be automatically transferred to the appropriate group when copying between images of different formats. However, if a group name is specified for a tag then the information is written only to this group unless redirected to another group, see below. If All is used as a group name, then the specified tag s are written to the same family 1 group they had in the source file ie. For example, the common operation of copying all writable tags to the same specific locations in the output FILE is achieved by adding -all:all. A different family may be specified by adding a leading family number to the group name eg all:all preserves the same general location, like EXIF or XMP. SRCFILE may be the same as FILE to move information around within a single file. In this case, may be used to represent the source file ie. Specified tags are then copied from each file in turn as it is rewritten. See -w option for FMT string examples. A powerful redirection feature allows a destination tag to be specified for each copied tag. With this feature, information may be written to a tag with a different name or group. Wildcards are allowed in both the source and destination tag names. If no destination group is specified, the information is written to the preferred group. As a convenience, -tagsFromFile is assumed for any redirected tags which are specified without a prior -tagsFromFile option. See the -p option for more details about this syntax. A single space at the start of the string is removed if it exists, but all other whitespace in the string is preserved. See note 8 below about using shortcuts or wildcards with the redirection feature. See COPYING EXAMPLES for examples using -tagsFromFile Some tags generally tags which may affect the appearance of the image are considered "unsafe" to write, and are only copied if specified explicitly ie. Also, since the PreviewImage referenced from the maker notes may be rather large, it is not copied, and must be transferred separately if desired The order of operations is to copy all specified tags at the point of the -tagsFromFile option in the command line. Any tag assignment to the right of the -tagsFromFile option is made after all tags are copied. When copying to a list, each copied tag overrides any previous operations on the list. While this avoids duplicate list items when copying groups of tags from a file containing redundant information, it also prevents values of different tags from being copied into the same list when this is the intent. So a -addTagsFromFile option is provided which allows copying of multiple tags into the same list. Other than these differences, the -tagsFromFile and -addTagsFromFile options are equivalent The -a option allow duplicate tags is always in effect when copying tags from SRCFILE Structured tags are copied by default when copying tags. See the -struct option for details With the redirection feature, copying a tag directly ie. When copying directly, the values of each matching source tag are copied individually to the destination tag as if multiple redirection arguments were used. However, when interpolated inside a string, the values of shortcut tags are concatenated, and wildcards are not allowed. Exclude the specified tag. There may be multiple -x options. This has the same effect as -- TAG on the command line. See the -- TAG documentation above for a complete description. Note that trailing spaces are removed from extracted values for most output text formats. The exceptions are -b-csv-j and -X. Output information in the form of exiftool arguments, suitable for use with the - option when writing. May be combined with the -G option to include group names. For instance, the FileName and Directory tags are excluded in the example above to avoid renaming and moving the destination file. Also note that the second command above will produce warning messages for any tags which are not writable. As well, the -sep option should be used when reading back to maintain separate list items, and the -struct option may be used when extracting to preserve structured XMP information. Output requested metadata in binary format without tag names or descriptions. List items are separated by a newline when extracted with the -b option. May be combined with -j-php or -X to extract binary data in JSON, PHP or XML format. Set the print format for GPS coordinates. FMT uses the same syntax as the printf format string. The specifiers correspond to degrees, minutes and seconds in that order, but minutes and seconds are optional. If TYPE is ExifTool or not specified, this option sets the ExifTool character encoding for output tag values when reading and input values when writing. The default ExifTool encoding is UTF If no CHARSET is given, a list of available character sets is returned. Valid CHARSET values are CHARSET Alias es Description UTF cpUTF UTF-8 characters default Latin cp1252, Latin1 Windows Latin1 West European Latin cp Windows Latin2 Central European Cyrillic cp1251, Russian Windows Cyrillic Greek cp Windows Greek Turkish cp Windows Turkish Hebrew cp Windows Hebrew Arabic cp Windows Arabic Baltic cp Windows Baltic Vietnam cp Windows Vietnamese Thai cp Windows Thai MacRoman cpRoman Macintosh Roman MacLatin2 cp Macintosh Latin2 Central Europe MacCyrillic cp Macintosh Cyrillic MacGreek cp Macintosh Greek MacTurkish cp Macintosh Turkish MacRomanian cp Macintosh Romanian MacIceland cp Macintosh Icelandic MacCroatian cp Macintosh Croatian TYPE may be FileName to specify the encoding of file names on the command line ie. See the WINDOWS UNICODE FILE NAMES section below for details. Export information in CSV format, or import information if CSVFILE is specified. When importing, the CSV file must be in exactly the same format as the exported file. The first row of the CSVFILE must be the ExifTool tag names with optional group names for each column of the file, and values must be separated by commas. Also, FileName and Directory columns are ignored if they exist ie. ExifTool will not attempt to write these tags with a CSV import. To force a tag to be deleted, use the -f option and set the value to "-" in the CSV file or to the MissingTagValue if this API option was used. Multiple databases may be imported in a single command. When exporting a CSV file, the -g or -G option to add group names to the tag headings. If the -a option is used to allow duplicate tag names, the duplicate tags are only included in the CSV output if the column headings are unique. Adding the -G4 option ensures a unique column heading for each tag. When exporting specific tags, the CSV columns are arranged in the same order as the specified tags provided the column headings exactly match the specified tag names, otherwise the columns are sorted in alphabetical order. When importing from a CSV file, only files specified on the command line are processed. Any extra entries in the CSV file are ignored. List-type tags are stored as simple strings in a CSV file, but the -sep option may be used to split them back into separate items when importing. This affects only list-type tags. Also applies to the -j option. Note that this option is fundamentally different than all other output format options because it requires information from all input files to be buffered in memory before the output is written. This may result in excessive memory usage when processing a very large number of files with a single command. Also, it makes this option incompatible with the -w option. The specifics of the FMT syntax are system dependent -- consult the strftime man page on your system for details. This option has no effect on date-only or time-only tags and ignores timezone information if present. Only one -d option may be used per command. Requires POSIX::strptime or Time::Piece for the inversion conversion when writing. For XML, only these 5 characters are escaped. The -E option is implied with -hand -ex is implied with -X. The inverse conversion is applied when writing tags. Force printing of tags even if their values are not found. This option only applies when specific tags are requested on the command line ie. Organize output by tag group. NUM specifies a group family number, and may be 0 general location1 specific location2 category software, 3 document number or 4 instance number g0 is assumed if a family number is not specified, and family numbers may be added wherever -g is mentioned in the documentation. Multiple families may be specified by separating them with colons. By default the resulting group name is simplified by removing any leading Main: and collapsing adjacent identical group names, but this can be avoided by placing a colon before the first family number eg. Same as -g but print group name for each tag G0 is assumed if NUM is not specified. May be combined with a number of other options to add group names to the output. Note that NUM may be added wherever -G is mentioned in the documentation. See the -g option above for details. Use HTML table formatting for output. Implies the -E option. The formatting options -D-H-g-G-l and -s may be used in combination with -h to influence the HTML format. Generate a dynamic web page containing a hex dump of the EXIF information. This can be a very powerful tool for low-level analysis of EXIF information. The -htmlDump option is also invoked if the -v and -h options are used together. The verbose level controls the maximum length of the blocks dumped. An OFFSET may be given to specify the base for displayed offsets. Use -htmlDump0 for absolute offsets. Use JSON JavaScript Object Notation formatting for console output, or import JSON file if JSONFILE is specified. This option may be combined with -g to organize the output into objects by group, or -G to add group names to each tag. List-type tags with multiple items are output as JSON arrays unless -sep is used. By default XMP structures are flattened into individual tags in the JSON output, but the original structure may be preserved with the -struct option this also causes all list-type XMP tags to be output as JSON arrays, otherwise single-item lists are output as simple strings. The -a option is implied if the -g or -G options are used, otherwise it is ignored and duplicate tags are suppressed. Adding the -D or -H option changes tag values to JSON objects with "val" and "id" fields, and adding -l adds a "desc" field, and a "num" field if the numerical value is different from the converted "val". The -b option may be added to output binary data, encoded in base64 if necessary indicated by "base64:" as the first 7 bytes of the value. The JSON output is UTF-8 regardless of any -L or -charset option setting, but the UTF-8 validation is disabled if a character set other than UTF-8 is specified. If JSONFILE is specified, the file is imported and the tag definitions from the file are used to set tag values on a per-file basis. The special "SourceFile" entry in each JSON object associates the information with a specific target file. The imported JSON file must have the same format as the exported JSON files with the exception that the -g option is not compatible with the import file format use -G instead. Additionally, tag names in the input JSON file may be suffixed with a to disable print conversion. Unlike CSV import, empty values are not ignored, and will cause an empty value to be written if supported by the specific metadata type. Tags are deleted by using the -f option and setting the tag value to "-" or to the MissingTagValue setting if this API option was used. Use long 2-line Canon-style output format. Adds a description and unconverted value if it is different from the converted value to the XML, JSON or PHP output when -X-j or -php is used. May also be combined with -listf-listr or -listwf to add descriptions of the file types. Use Windows Latin1 encoding cp for output tag values instead of the default UTF When writing, -L specifies that input text values are Latin1 instead of UTF Equivalent to -charset latin. Set current language for tag queen and converted values. Use -lang with no other arguments to get a list of available languages. The default language is en if -lang is not specified. May also be combined with -listx to output descriptions in one language only. By default, ExifTool uses UTF-8 encoding for special characters, but the the -L or -charset option may be used to invoke other encodings. Currently, the language support is not complete, but users are welcome to help improve this by submitting their own translations. Note: ExifTool uses Unicode::LineBreak if available to help preserve the column alignment of the plain text output for languages with a variable-width character set. For list-type tags, this causes only the item with the specified index to be extracted. INDEX is 0 for the first item in the list. Negative indices may also be used to reference items from the end of binary list. Has no effect on single-valued tags. Also queen to tag values when copying, and in -if conditions. Disable print conversion for all tags. By default, extracted values are converted to a more human-readable format, but the -n option disables this conversion, revealing the machine-readable values. Case is not significant. Multiple -p options may be used, each contributing a line of text to the output. Other lines beginning with are ignored. If a specified tag does not exist, a minor warning is issued and the line with the missing tag is not printed. An advanced formatting feature allows an arbitrary Perl expression to be applied to the value of any tag by placing it inside the braces after the tag name, separated by a semicolon. This removes the characters? These characters are illegal in Windows file names, so this feature is useful if tag values are used in file names. Format output as a PHP Array. The -g-G-D-H-l-sep and -struct options combine with -phpand duplicate tags are handled in the same way as with the -json option. As well, the -b option may be added to output binary data. Prints tag names instead of descriptions. Add NUM or up to s options for even shorter formats s1 or -s print tag names instead of descriptions s2 or -s -s no extra spaces to column-align values s3 binary -s -s -s - print values only no tag names Also effective when combined with -t-h-X or -listx options. The same as -s2 or two -s options. Tag names are printed instead of descriptions, and no extra spaces are added to column-align values. Specify separator string for items in list-type tags. When reading, the default is to join list items with ", ". When writing, this option causes values assigned to list-type tags to be split into individual items at each substring matching STR otherwise they are not split by default. Space characters in STR match zero or more whitespace characters in the value. Note that an empty separator "" is allowed, and will join items with no separator when reading, or split the value into individual characters when writing. Sort output by tag description, or by tag name if the -s option is used. When sorting by description, the sort order will depend on the -lang option setting. Without the -sort option, tags appear in the order they were specified on the command line, or if not specified, the order they were extracted from the file. By default, tags are organized by groups when combined with the -g or -G option, but this grouping may be disabled with --sort. Output structured XMP information instead of flattening to individual tags. This option works well when combined with the XML -X and JSON -j output formats. When copying, structured tags are copied by default unless --struct is used to disable this feature although flattened tags may still be copied by specifying them individually unless -struct is used. These options have no effect when assigning new values since both flattened and structured tags may always be used when writing. May be combined with -s to print tag names instead of descriptions, or -S to print tag values only, tab-delimited on a single line. The -t option may also be used to add tag table information to the -X option output. NUM specifies the level of verbosity in the range 0-5, with higher numbers being more verbose. If NUM is not given, then each -v option increases the level of verbosity by With any level greater than 0, most other options are ignored and normal console output is suppressed unless specific tags are extracted. Using -v0 causes the console output buffer to be flushed after each line which may be useful to avoid delays when piping exiftool outputand prints the name of each processed file when writing. Also see the -progress option. Write console output to files with names ending in EXTone for each source file. Alternatively, a FMT string may be used to give more control over the output file name and directory. If the width is negative, the substring is taken from the end. The substring position characters to ignore at the start or end of the string may be given by a second optional value after a decimal point. If a field width is given, the copy number is padded with zeros to the specified width. By default, the copy number is omitted from the first file of a given name, but this can be changed by adding a decimal point to the modifier. This allows a sequential number to be added to output file names, even if the names are different. The number before the decimal place gives the starting index, the number after the decimal place gives the field width. This enhanced version of the -w option allows a separate output file to be created for each extracted tag. For -wthis would be a file extension. This change allows a simple file name to be specified, which, when combined with the append feature, provides a method to write metadata from multiple source files to a single output file without the need for shell redirection Adding the -v option to -W generates a list of the tags and output file names instead of giving a verbose dump of the entire file. This option is used to specify the type of output file s written by the -W option. An output file is written only if the suggested extension matches EXT. Multiple -Wext options may be used to write more than one software of file. Use --Wext to write all but the specified type s. Implies the -a option, so duplicate tags are extracted. The formatting options -b-D-H-l-s-sep-struct and -t may be used in combination with -X to affect the output, but note that the tag ID -D-H and -tbinary data -b and structured output -struct options are not effective for the short output -s. Another restriction of -s is that only one tag with a given group and name may appear in the output. By default, -X outputs flattened tags, so -struct should be added if required to preserve XMP structures. List-type tags with multiple values are formatted as an RDF Bag, but they are combined into a single string when -s or -sep is used. Using -L changes the XML encoding from "UTF-8" to "windows ". Other -charset settings change the encoding only if there is a corresponding standard XML character set. The -b option causes binary data values to be written, encoded in base64 if necessary. The -t option adds tag table options to the output table namedecimal tag idand index for cases where multiple conditional tags exist with the same ID. Note: This output is NOT the same as XMP because it uses dynamically-generated property names corresponding to the ExifTool tag names, and not the standard XMP properties. To write XMP instead, use the -o option with an XMP extension for the output file. Allow -a or suppress a duplicate tag names to be extracted. By default, duplicate tags are suppressed unless the -ee or -X options are used or the Duplicates option is enabled in the configuration file. This option also has an affect when writing to allow duplicate Warning messages to be shown. Extract information from embedded documents in EPS files, embedded EPS information and JPEG and Jpeg images in PDF files, embedded MPF images in JPEG and MPO files, streaming metadata in AVCHD videos, and the resource fork of Mac OS files. Implies the -a option. Use -g3 or -G3 to identify the originating document for extracted information. Embedded documents containing sub-documents are indicated with dashes in the family 3 group name. Doc is the 3rd sub-document of the 2nd embedded document. Note that this option may increase processing time substantially, especially for PDF files with many embedded images. Process only files with -ext or without ext a specified extension. There may be multiple -ext and --ext options. EXT on the command line It applies to files in subdirectories when combined with the -r option The -ext option is case-insensitive, which is useful when processing files on case-sensitive filesystems. Fix the base for maker notes offsets. A common problem with some image editors is that offsets in the maker notes are not adjusted properly when the file is modified. This may cause the wrong values to be extracted for some maker note entries when reading the edited file. This option allows an integer OFFSET to be specified for adjusting the maker notes base offset. If no OFFSET is given, ExifTool takes its best guess at the correct base. Note that exiftool will automatically fix the offsets for images which store original offset information eg. Offsets are fixed permanently if -F is used when writing EXIF to an image. These speed benefits are small when reading images directly from disk, but can be substantial if piping images through a network connection. For more substantial speed benefits, -fast2 also causes exiftool to avoid extracting any EXIF MakerNote information fast3 avoids processing the file entirely, and returns only an initial guess at FileType and the pseudo System tags. Set file processing order according to the sorted value of the specified TAG. For example, to process files in order of date exiftool -fileOrder DateTimeOriginal DIR Additional -fileOrder options may be added for secondary sort keys. Numbers are sorted numerically, and all other values are sorted alphabetically. The sort order may be reversed by prefixing the tag name with a eg. Other formatting options eg. Note that the -fileOrder option has a large performance impact since it involves an additional processing pass of each file. Ignore specified directory name. DIR may be either an individual folder name, or a full path. If a full path is specified, it must match the Directory queen exactly to be ignored. Use multiple -i options to ignore more than one directory name. A special DIR value of SYMLINKS case sensitive may be specified to ignore symbolic links when the -r option is used. It is evaluated with the tags from each FILE in turn, and the file is processed only if the expression returns true. Unlike Perl variable names, tag names are not case sensitive and may contain a hyphen. When multiple -if options are used, all conditions must be satisfied to process the file. Returns an exit status of 1 if all files fail the condition. These tags are not available for use in the -if condition unless they are also specified on the command line. To process one file based on tags from another, two steps are required. Ignore minor errors and warnings. This enables writing to files with minor errors and disables some validation checks which could result in minor warnings. However, there are exceptions, so ExifTool leaves it up to you to make the final decision. Set the output file or directory name when writing information. OUTFILE may be to write to stdout. See the -w option for FMT string examples. Output directories are created if necessary. Existing files will not be overwritten. A special feature of this option allows the creation of certain types of files from scratch, or with the metadata from another type of file. The output file is then created from a combination of information in FILE as if the -tagsFromFile option was usedand tag values assigned on the command line. If no FILE is specified, the output file may be created from scratch using only tags assigned on the command line. Caution: This option should only be used if you already have separate backup copies of your image files. The overwrite is implemented by renaming a temporary file to replace the original. This deletes the original file and replaces it with the edited version in a single operation. When combined with -othis option causes the original file to be deleted if the output file was successfully written options. Note that some filesystems store a creation date FileCreateDate which is not affected by this option. This creation date is preserved only on Windows systems where Win32API::File and Win32::API are available. This option is superseded by writing the FileModifyDate tag and FileCreateDate in Windows. Specify password to allow processing of password-protected PDF documents. If a password is required but not given, a warning is issued and the document is not processed. This option is ignored if a password is not required. Show file progress count in messages. The progress count appears in brackets after the name of each processed file, and gives the current file number and the total number of files to be processed. Implies the -v0 option if TITLE is not used, printing the name of each processed file when writing. When combined with the -if option, the total count includes all files before the condition is applied, but files that fail the condition will not have their names printed. If followed by a colon ie. May be combined with the normal -progress option to also show the progress count in console messages. One -q suppresses normal informational messages, and a second -q suppresses warnings as well. Error messages can not be suppressed, although minor errors may be downgraded to warnings with the -m option, which may then be suppressed with -q -q. Recursively process files in subdirectories. Only meaningful if FILE is a directory name. Subdirectories with names beginning with ". Scan all files even unsupported formats for XMP information unless found already. When combined with the -fast option, only unsupported file types are scanned. Warning: It can be time consuming to scan large files. Extract values of unknown tags. Add another -u to also extract unknown information from binary data blocks. Extract values of unknown tags as well as unknown information from some binary data blocks. This is the same as two -u options. MODE is a string of one or more characters from the list below. Write mode is wcg unless otherwise specified w - Write existing tags c - Create new tags g - create new Groups as necessary For example, use -wm cg to only create new tags and avoid editing existing ones. The level of the group is the SubDirectory level in the metadata structure. When reading, causes information to be extracted from. Only one image per archive. Requires gzip and bzip2 to be installed on the system. When writing, causes compressed information to be written if supported by the metadata format. PNG supports compressed textual metadata. This option also disables the recommended padding in embedded XMP, saving bytes when writing XMP in a file. Read command-line arguments from the specified file. The file contains one argument per line NOT one option per line -- some options require additional arguments, and all arguments must be placed on separate lines. Blank lines and lines beginning with are ignored. White space at the start of a line is removed. Normal shell processing of arguments is not performed, which among other things means that arguments should not be quoted and spaces are treated as any other character. ARGFILE may exist relative to either the current directory or the exiftool directory unless an absolute pathname is given. This option is used to prevent the command window from closing when run as a Windows drag and drop application. With -listgNUM may be given to specify the group family, otherwise family 0 is assumed. The -l option may be combined with -listf-listr or -listwf to add file descriptions to the list. The -lang option may be combined with -listx to output descriptions in a single language. The flags are formatted as a comma-separated list of the following possible values: Avoid, Binary, List, Mandatory, Permanent, Protected, Unknown and Unsafe see the Tag Name documentation For XMP List tags, the list type Alt, Bag or Seq is added to the flags, and flattened structure tags are indicated by a Flattened flag. Print exiftool version number. The -v option may be added to print addition system information see the README file of the full distribution for more details about optional libraries. Geotag images from the specified GPS track log file. Using the -geotag option is equivalent to writing a value to the Geotag tag. If Geotime is not specified, the value is copied from DateTimeOriginal. Writing Geotime causes the following tags to be written provided they can be calculated from the track log, and they are supported by the destination metadata format : GPSLatitude, GPSLatitudeRef, GPSLongitude, GPSLongitudeRef, GPSAltitude, GPSAltitudeRef, GPSDateStamp, GPSTimeStamp, GPSDateTime, GPSTrack, GPSTrackRef, GPSSpeed, GPSSpeedRef, GPSImgDirection, GPSImgDirectionRef, GPSPitch and GPSRoll. By default, tags are created in EXIF, and updated in XMP only if they already exist. However, EXIF:Geotime or XMP:Geotime may be specified to write only EXIF or XMP tags respectively. Note that GPSPitch and GPSRoll are non-standard, and require user-defined tags in order to be written. The Geosync tag may be used to specify a time correction which is applied to each Geotime value software synchronization with GPS time. Advanced Geosync features allow a linear time drift correction and synchronization from previously geotagged images. Multiple -geotag options may be used to concatenate GPS track log data. Also, a single -geotag option may be used to load multiple track log files by using wildcards in the TRKFILE name, but note that in this case TRKFILE must be quoted on most systems with the notable exception of Windows to prevent filename expansion. See GEOTAGGING EXAMPLES for examples. Does not apply to unformatted -n output. Currently, the MWG module is the only plug-in module distributed with exiftool. To save typing, -use MWG is assumed if the MWG group is specified for any tag on the command line. See the MWG Tags binary for more details. Note that this option is not reversible, and remains in effect until the application terminates, even across the -execute option. Among other things, the advanced options allow complex processing to be performed from a single command without the need for additional scripting. This may be particularly useful for implementations such as Windows drag-and-drop applications. These options may also be used to improve performance in multi-pass processing by reducing the overhead required to load exiftool for each invocation. Set ExifTool API option. OPT is an API option name. An option may not be set to an empty string "" via the command line, but the config file may be used to accomplish this if necessary. See Image::ExifTool Options for a list of available API options. This overrides API options set via the config file. Specifies that all arguments following this option are common to all executed commands when -execute is used. This and the -config option are the only options that may not be used inside a - ARGFILE. Note that by definition this option and its arguments MUST come after all other options on the command line. Load specified configuration file instead of the default ". If used, this option must come before all other arguments on the command line. The CFGFILE name may contain a directory specification otherwise the file must exist in the current directoryor may be set to an empty string "" to disable loading of the config file. Echo TEXT to stdout -echo or -echo1 or stderr -echo Text is output as the command line is parsed, before the processing of any input files. NUM may also be 3 or 4 to output text to stdout or stderr respectively after processing is complete. Specify a different source file to be processed based on the name of the original FILE. This may be useful in some special situations for processing related preview images or sidecar files. See the -w option for a description of the FMT syntax. Note that file name FMT strings for all options are based on the original FILE specified from the command line, not the name of the source file specified by -srcfile. If none of the source files already exist, then exiftool uses the first -srcfile specified. A FMT of may be used to represent the original FILEwhich may be useful when specifying multiple -srcfile options eg. If FLAG is or Truecauses exiftool keep reading from the - ARGFILE even after reaching the end of file. This feature allows calling applications to pre-load exiftool, thus avoiding the overhead of loading exiftool for each command. Note: You may need to flush your write buffers here if using buffered output. This will cause exiftool to process any remaining command-line arguments then exit normally. PARAM is an arbitrary user parameter name. In Windows, by default, file and directory names are specified on the command line or in arg files using the system code page, which varies with the system settings. Unfortunately, these code pages are not complete character sets, so not all file names may be represented. When a directory name is provided, the file name encoding need not be specified unless the directory name contains special charactersand ExifTool will automatically use wide-character routines to scan the directory. However, it does not apply to the -config filename, which always uses the system character set. In general, ExifTool may be used to write metadata to read-only files provided that the user has write permission in the directory. Note : Beware when cutting and pasting these examples into your terminal! Some characters such as single and double quotes and hyphens may have been changed into similar-looking yet functionally-different characters by the text formatter used to display this documentation. Also note that Windows users must use double quotes instead of single quotes as below around arguments containing special characters. Print all meta information in an image, including duplicate and unknown tags, sorted by group for family Print common meta information for all images in dir common is a shortcut tag representing common EXIF meta information. Recursively extract common meta information from files in pictures directory, writing text output to. Extract all types of preview images ThumbnailImage, PreviewImage, JpgFromRaw, etc. Print one line of output containing the file name and DateTimeOriginal for each image in directory dir. Extract embedded JPG and JP2 images from a PDF file. These quoting techniques are shell dependent, but the examples below will work for most Unix shells. With the Windows cmd shell however, double quotes should be used eg. Remove comment from all JPG images in the current directory, writing the modified images to a new directory. Copy a source image to a new file, and add a keyword word to the current list of keywords. Decrement the value of ExposureCompensation by EV. Delete Credit information from all files in a directory where the Credit value was xxx. Write alternate options for XMP:Description, using HTML character escaping to input special characters. Delete all meta information from an image. Note: You should NOT do this to RAW images except DNG since proprietary RAW image formats often contain information in the makernotes that is necessary for converting the image. Delete all meta information from an image and add a comment back in. Delete Photoshop meta information from an image note that the Photoshop information also includes IPTC. Set the thumbnail image from specified file Note: The quotes are necessary to prevent shell redirection. NEF in the current directory. This is the inverse of the -JpgFromRaw command of the READING EXAMPLES section above. Shift the values of DateTimeOriginal, CreateDate and ModifyDate forward by 1 hour and 30 minutes for all Canon images in a directory. The AllDates tag is provided as a shortcut for these three tags, allowing them to be accessed via a single tag. Write a tag to the XMP group of two images. Without the xmp: this tag would get written to the IPTC group since City exists in both, and IPTC is preferred by default. Set WhiteBalance to Tungsten only if it was previously Auto. Write structured XMP information. Delete any trailer found after the end of image EOI in a JPEG file. A number of digital cameras store a large PreviewImage after the JPEG EOI, and the file size may be reduced significantly by deleting this trailer. See the JPEG Tags documentation for a list of recognized JPEG trailers. Rebuild all EXIF meta information from scratch in an image. This technique can be used in JPEG images to repair corrupted EXIF information which otherwise could not be written due to errors. The Unsafe tag is a shortcut for unsafe EXIF tags in JPEG images which are not normally copied. See the tag name documentation for more details about unsafe tags. Otherwise the XMP data file will be created. Only XMP, ICC and MIE files may be created like this other file types may be edited but not created. See WRITING EXAMPLES above for another technique to generate XMP files. Note that -TagsFromFile is assumed if no other -TagsFromFile is specified when redirecting information as in this example. Translate IPTC information to XMP with appropriate tag name conversions, and delete the original IPTC information from an image. Recursively rewrite all JPG images in dir with information copied from the corresponding CR2 images in the same directories. Set the Comment tag of all images in dir from the values of the EXIF:ISO and ShutterSpeed tags. Copy all meta information in its original form from a JPEG image to a MIE file. This technique can be used to store the metadata of an image so it can be inserted back into the image with the inverse command later in a workflow. This command performs exactly the same task as the command above, except that the -o option will not write to an output file that already exists. Here, the command line is broken into three sections separated by -execute optionsand each is executed as if it were a separate command. This can be particularly useful and powerful for organizing files by date when combined with the -d option. New directories are created as necessary, but existing files will not be overwritten. Move all files from directory dir into directories named by the original file extensions. Move all files in dir into a directory hierarchy based on year, month and day of DateTimeOriginal. Rename all files in dir by adding the camera model name to the file name. The semicolon after the tag name inside the braces causes characters which are invalid in Windows file names to be deleted from the tag value see the -p option documentation for an explanation. The example above recursively renames all images in a directory by adding a CreateDate timestamp to the start of the filename, then moves them into new directories named by date. ExifTool implements geotagging via 3 special tags: Geotag which for convenience is also implemented as an exiftool optionGeosync and Geotime. The examples below highlight some geotagging features. Local system time is assumed unless DateTimeOriginal contains a timezone. Geotag an image with the GPS position for a specific time. Note that the Geotag tag must be assigned before Geotime for the GPS data to be available when Geotime is set. Geotag all images in directory dir with XMP tags instead of EXIF tags, based on the image CreateDate. Geotag images in directory diraccounting for image timestamps which were 20 seconds ahead of GPS. Geotag images in dir using CreateDate with the specified timezone. If CreateDate already contained a timezone, then the timezone specified on the command line is ignored. Delete GPS tags which may have been added by the geotag feature. Generate a GPX track log from all images in directory dir. Extract information from an image over the internet using the cURL utility. The -fast option prevents exiftool from scanning for trailer information, so only the meta information header is transferred. Add a comment to an embedded thumbnail image. The exiftool application exits with a status of 0 on success, or 1 if an error occurred or if all files failed the -if condition for any of the commands if -execute was used.
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