#EXIFTOOL COMMAND LINE UPDATE ATTRIBUTE HOW TO#
#EXIFTOOL COMMAND LINE UPDATE ATTRIBUTE INSTALL#
#EXIFTOOL COMMAND LINE UPDATE ATTRIBUTE MANUAL#

Now let’s see what’s Exiftool capable of. If you open the photo in Preview and hit cmd+I ( or go to Tools > Show Inspector ) you’ll notice quite a bit of info. If you’re running macOS, you can quickly view a photo’s metadata by switching to gallery view in Finder. NOTE: the process is the same on all platforms ( Linux, macOS, and Windows ).

#EXIFTOOL COMMAND LINE UPDATE ATTRIBUTE HOW TO#

To demo how to use ExifTool to remove metadata from a photo, I’m going to use this photo from flickr.įlickr does not remove Exif data by default, and it’s displayed on the photo page, but that’s not important for demo purposes.

#EXIFTOOL COMMAND LINE UPDATE ATTRIBUTE MANUAL#

To learn what it’s capable of, once installed on your system, make sure to read the manual exiftool -help NOTE: ExifTool is a powerful and complex tool. Windows: download ExifTool for Windows from the official website ( linked above )

#EXIFTOOL COMMAND LINE UPDATE ATTRIBUTE INSTALL#

MacOS: you can install it via Homebrew with brew install exiftool Arch, Manjaro sudo pacman -S perl-image-exiftool.Fedora, RedHat, CentOS sudo dnf install perl-image-exiftool.noarch.Debian, Ubuntu, Mint, Kali sudo apt install libimage-exiftool-perl.There are a lot of web apps and browser addons that you can use to strip out metadata from photos.īut today, we’re going to focus on ExifTool – a cross-platform Perl library plus a command-line application for reading, writing, and editing meta information in various files ( various image formats, audio formats, video formats, document formats, etc.). The data fields are often written by the device used to take the photo but can also be populated by programs such as Photoshop.Ĭheck out the full list of data fields supported by Exif. Exif Data in PhotosĮxchangeable image file format, or Exif data, is information that accompanies an image file and contains many data fields that can be populated or left blank. They collect it and add it next to your likes, comments, your network of ‘friends’ etc., to profile you. While social media platforms like Facebook or Instagram ( same company – Facebook ) strip out the metadata before it shows your photo to the world, they don’t just erase that metadata. Make sure the service you use strips out metadata. Luckily, most social media platforms eliminate this threat by stripping out metadata from your published files. That’s metadata.īesides what’s visible in the photo itself, metadata can reveal when and where the photo was taken, the device used to take the photo and other unique characteristics that can fingerprint you across the web.īy not removing metadata, a hacker or OSINT researcher can easily find out where you live, where you work, your preferences and habits, etc., just by extracting the Exif data hidden inside the photos you post online.

And both file types have one thing in common that can give away a lot more information than you might think. The two most common file types shared online today are photos and videos. Today, however, a picture is worth much more than that, and it can threaten your privacy and security.ĪLSO READ The Easiest Way to Remove EXIF MetadataĪLSO READ Metadata Cleaner: View and Clean Metadata ( Linux ) If you look up the origin of this expression, you’ll find that it emerged in the USA in the early 20th century. They say a picture is worth a thousand words.

Exiftool command line update attribute