Sharing a file is not always just sharing the visible content.
A photo is not always only the image.
A PDF is not always only the document.
Many files also contain metadata: extra information stored inside the file.
For images, this can include camera model, date and time, GPS location, device name, or the software used to edit the file.
For PDFs, it can include author name, creator app, producer software, creation date, modification date, and other document information.
Usually this metadata is harmless. But sometimes it reveals more than you intended to share.
When you upload a photo, it may also include where it was taken.
When you send a PDF, it may also include who created it, which software was used, or when it was edited.
This information is easy to miss because it is not shown in the normal view of the file.
So before I publish or send files, I prefer to clean them.
For images, I use Meta Cleaner.
For PDFs, I use PDF Meta Cleaner.
Both are created by beavertools.app and simple to use: drop in the file, remove the metadata, keep the cleaned version.
No upload. No account. No cloud processing.
The files stay on the Mac, which is important because metadata cleaning is a privacy task. Sending private files to an online cleaner would defeat the purpose.
My rule is simple:
Before sharing files, remove what you did not mean to share.
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