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authorChristian Cleberg <hello@cleberg.net>2024-03-04 22:34:28 -0600
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-+++
-date = 2022-02-17
-title = "Stripping Image Metadata with exiftool"
-description = "A simple guide to remove exif data with exiftool."
-+++
-
-## Why Strip Metadata?
-
-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`
-
-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:
-
-```sh
-sudo apt install exiftool
-```
-
-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
-
-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:
-
-```sh
-exiftool -r -all= -ext jpg -ext png /path/to/directory/
-```
-
-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.
-
-![exiftool
-results](https://img.cleberg.net/blog/20220217-stripping-metadata-with-exiftool/exiftool.png)