Am 16.12.25 um 16:56 schrieb Pablo Rodriguez via ntg-context:
BTW, do you know other (freely-available [and preferably offline])
programs that sign PDF documents?
* Qoppa PDF Studio Pro (commercial, Lin/Mac/Win)
https://www.qoppa.com/pdfstudio/
* Code Industry Master PDF Editor (commercial, Lin/Mac/Win)
https://code-industry.net/masterpdfeditor/
* Okular (OSS, Lin/Mac/Win)
https://okular.kde.org
I actually wasn’t aware that there’s a Mac version of Okular.
(But annotations are still a PITA.)
The 2 editors have demo versions, I don’t know what you can do with
them. I’ve a license of PDF Studio Pro (since it’s the only tool besides
Acrobat Pro that can check & convert PDF/X).
Apple’s Preview allows to include a manual signature. I would be
surprised if that counted as a valid digital signature.
Apparently Wondershare, PDFgear, and Sejda do the same.
I found https://www.bytesigner.in that is apparently aimed at big
companies, they don’t even name a price.
HTH
Hraban
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