Clean EXIF data

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Madeline
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Posts: 96
Joined: 29 Oct 2020 00:28

Clean EXIF data

Post by Madeline »

Hi all,

I just want to mention, that you you should clean the exif data before uploading any images to either the forum or directly to the DoM. I found some more sensitive info f.e. GPS information on some examples I took from the forum.

The simplest way to prevent the biggest damage, is to disable saving of the GPS position of a picture to take.
GPS data exposes the most private information (most of the time the location where you took the picture).
But there is more data, thats get written usually into the picture file. F.e. the exact camera/smartphone model, the time and more.
There are also tools for removing (all) exif data.

I use this on linux, but it works on windows and mac too:
http://exiftool.sourceforge.net/

This is the command is use (removes all the exif tags in place)

Code: Select all

exiftool -overwrite_original -all= <file>
This works also with using file globbing like the "*" to match multible files

There should be solutions for the graphical interface too. Google should help.

@xuom2:
Could we implement something like a exif stripper on the DoM or maybe even on the forum. Imo less data is better in this case
Last edited by Madeline on 08 Mar 2021 22:35, edited 3 times in total.
Icyelut
Posts: 177
Joined: 30 Apr 2020 03:02

Re: Clean EXIF data

Post by Icyelut »

I can also readily recommend exiftool. I use it for all my posts.

For people who prefer a drag and drop GUI, there's ExifCleaner, which uses exiftool as it's backend.
InternalLoss
Posts: 47
Joined: 23 May 2018 00:03

Re: Clean EXIF data

Post by InternalLoss »

As much as I agree this data should be cleaned before uploads, it might also be sensible for the DOM to automatically clean the EXIF data in the public copy.
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Madeline
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Posts: 96
Joined: 29 Oct 2020 00:28

Re: Clean EXIF data

Post by Madeline »

InternalLoss wrote: 09 Mar 2021 09:31 As much as I agree this data should be cleaned before uploads, it might also be sensible for the DOM to automatically clean the EXIF data in the public copy.
I absolutely agree with it. I mentioned it in the beginning post too.
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