A tag name of All is equivalent to * (except that it doesn't require quoting, while arguments with wildcards do on systems with shell globbing), and is often used when deleting all metadata (ie. When specified with wildcards, "Unsafe" tags are not written. The wildcards * and ? may be used in tag names to assign the same value to multiple tags. The preferred group in JPEG and TIFF-format images is the first group in the following list where TAG is valid: 1) EXIF, 2) IPTC, 3) XMP. 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. TAG may contain one or more leading family 0, 1, 2 or 7 group names, prefixed by optional family numbers, and separated colons. ^= is used to write an empty string instead of deleting the tag when no VALUE is given, but otherwise it is equivalent to =, but note that the caret must be quoted on the Windows command line. += may also be used to increment numerical values (or decrement if VALUE is negative), and -= may be used to conditionally delete or replace a tag (see "WRITING EXAMPLES" for examples). += and -= are used to add or remove existing entries from a list, or to shift date/time values (see Image::ExifTool:: and note 6 below for more details). comment=wow), or delete the tag if no VALUE is given (eg. Write a new value for the specified tag (eg. That we added in the previous example, because we would execute the command:Įxiftool -exif:Copyright="Yo-Vozidea-Web" archivo.Exiftool - Read and write meta information in files SYNOPSIS ReadingĮxiftool FILE. Named "copyright" we execute the following command:
Here are a series of basic examples to give you an idea ofĬonsult the metadata of a multimedia file
Sudo apt-get install libimage-exiftool-perl How to use ExifTool from the command console. Package manager, for this we execute the following command:
At the time of writing this tutorial, the most recent version of ExifTool is 10.40 and you can download it directly by clicking onĮxtension so it will have to be decompressed and we will find the , which are simple as downloading the executable file from its What is ExifTool?ĮxifTool is a small tool that allows us to manage metadata of multimedia files, that is, with ExifTool we can read, write or edit metadata. , although at the end of this article we will give some basic guidelines on how to use ExifTool. How to delete metadata with FFmpeg or ExifTool If you are interested in deleting all metadata from a file, you can follow the tutorial on The best of the examples happens when we use a smartphone to take a photo, since this can add metadata with the GPS coordinates of where the photo was taken, something that can be a problem when sharing it on social networks. It is also a free tool that supports many multimedia container formats We have chosen ExifTool because it is perhaps the most complete and powerful tool for managing multimedia file metadata. How to install ExifTool on Linux Ubuntu or Windows
There are many tools to manage these metadata, but we are going to show Surely many of you did not know the metadata, those small pieces of information that remain attached to photos, videos, audio and multimedia content in general.