this post was submitted on 27 Jul 2023
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Comradeship // Freechat
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There is of course a way to strip metadata from pictures.This is what I use on Android. It is also the way how I upload pictures of my pigeons on this lemmy instance.
On Linux there is exiftool. This perl program is also capable to manipulate metadata from audio and video files.
Exiftool is also usable on Windows and Mac. This tool is very powerfull:
To your third question: No. The metadata is included in the file itself. You need to do something with it, like importing and GIMP and exporting - GIMP may add an tag, that it was creates with GIMP. Of course there are formats, which have a separeted metadata file, but I am not talking about this. And dont forget the creation time thing and so on, but it is not hard to change some of it
To your fourth question: if you take photos, there may be information. It is possible to enable geotagging etc. The best option is to try it yourself. Take pictures with your Smartphone, make pictures with your computer or with something else and then read the metadata. Use exiftool for this task, but other programs are also ok. My smartphone only saves the brand and the model of my smartphone.
To your fifth question: delete metadata and take care, that there is nothing what can be traced to yourself (Names, Streets etc). Metadata is also available for PDF Files and many many more formats.
Thanks for all this advice!
That's reassuring about downloaded images.