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Diffstat (limited to 'content/blog/2022-02-17-exiftool.md')
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diff --git a/content/blog/2022-02-17-exiftool.md b/content/blog/2022-02-17-exiftool.md index 2fa9adb..bc310ec 100644 --- a/content/blog/2022-02-17-exiftool.md +++ b/content/blog/2022-02-17-exiftool.md @@ -7,36 +7,34 @@ draft = false ## 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. +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: +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 +- 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). +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: +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 @@ -47,22 +45,20 @@ 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`). +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: +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. +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.  |