On 10/7/2016 4:50 PM, Henning Hraban Ramm wrote:

The only way to "protect" contents from editing are the password settings. There are free tools to set them, but AFAIK no open source tools except maybe libraries.

qpdf and mutools ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------

On 10/9/2016 3:32 AM, Alan Braslau wrote:

Also pdftk

But, it is naive to believe that a pdf can be "protected" from copying or extracting, isn't it?

indeed, in a similar fashion as copy protected cd (by making then fagile for reading on computers) ... 100 years form now they will either laugh at us or wonder if we could not do better than that

Alan

...

On Oct 7, 2016, at 09:08, Hans Hagen wrote:

On 10/7/2016 4:50 PM, Henning Hraban Ramm wrote:

...

The only way to "protect" contents from editing are the password settings. There are free tools to set them, but AFAIK no open source tools except maybe libraries.

qpdf and mutools

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