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-#+title: Stripping Image Metadata with exiftool
-#+date:  2022-02-17
-
-** Why Strip Metadata?
-:PROPERTIES:
-:CUSTOM_ID: why-strip-metadata
-:END:
-Okay, so you want to strip metadata from your photos. Perhaps you take
-pictures of very rare birds, and the location metadata is a gold mine
-for poachers, or perhaps you're just privacy-oriented like me and prefer
-to strip metadata from publicly-available images.
-
-There are various components of image metadata that you may want to
-delete before releasing a photo to the public. Here's an incomplete list
-of things I could easily see just by inspecting a photo on my laptop:
-
-- Location (Latitude & Longitude)
-- Dimensions
-- Device Make & Model
-- Color Space
-- Color Profile
-- Focal Length
-- Alpha Channel
-- Red Eye
-- Metering Mode
-- F Number
-
-Regardless of your reasoning, I'm going to explain how I used the
-=exiftool= package in Linux to automatically strip metadata from all
-images in a directory (+ subdirectories).
-
-** Installing =exiftool=
-:PROPERTIES:
-:CUSTOM_ID: installing-exiftool
-:END:
-First things first: we need to install the tool. I'm running Debian 11
-on my server (Ubuntu will work the same), so the command is as simple
-as:
-
-#+begin_src sh
-sudo apt install exiftool
-#+end_src
-
-There are different tools that can accomplish the same thing across
-distributions, but I really only care to test out this one package.
-
-** Recursively Strip Data
-:PROPERTIES:
-:CUSTOM_ID: recursively-strip-data
-:END:
-I actually use this tool extensively to strip any photos uploaded to the
-website that serves all the images for my blog (=img.cleberg.net=).
-
-The following command is incredibly useful and can be modified to
-include any image extensions that =exiftool= supports:
-
-#+begin_src sh
-exiftool -r -all= -ext jpg -ext png /path/to/directory/
-#+end_src
-
-See below for the results of my most recent usage of =exiftool= after I
-uploaded the image for this blog post. You can see that the command will
-let you know how many directories were scanned, how many images were
-updated, and how many images were unchanged.
-
-#+caption: exiftool results
-[[https://img.cleberg.net/blog/20220217-stripping-metadata-with-exiftool/exiftool.png]]