I need software to encrypt my PDF file so it can not be printed and copied.

I already found software that can do this, such as Copysafe PDF Protector from Artistscope. But the problem is I can not fint an alternative to it that I can use freely without buying a license (budget problem).

Is there any alternative free software that can do this like Copysafe PDF protector?

  • 3
    If you can open a PDF, you can print it. Everything else is just DRM which just can be ignored by any tool and leads to issues for the user on the other hand. Please consider thinking whether DRM is really what you are looking for.
    – frlan
    Commented Apr 6, 2016 at 19:47
  • This is different story, Copysafe has its own PDF viewer, therefor people can not make excuse to any copyright issues. This is the workflow: 1. Open Copysafe Protector 2. Select PDF file: secret_doc.pdf 3. Set permission (no print, no copy, add password) 4. Save & Close As the result Copysafe will output the encripted PDF file secret_doc.pdf.enc To open the file we need the viewer 1. Open Copysafe PDF Reader 2. Select file: secret_doc.pdf.enc 3. File opened in the viewer that have very nice UI. Complete PDF viewer with heading pointer, search etc 4. User can not print or copy the document
    – Asampaiz
    Commented Apr 15, 2016 at 15:07
  • I'm searching a software that can do this things.
    – Asampaiz
    Commented Apr 15, 2016 at 15:12
  • 2
    For me you are not talking about pdf anymore but about some proprietary container format.
    – frlan
    Commented Apr 15, 2016 at 15:16
  • Yes... other encrypted container format that can hold a pdf. Container + viewer
    – Asampaiz
    Commented Apr 30, 2016 at 12:17

1 Answer 1


pdftk provides the encryption options and is free or paid at a tiny amount under $4 for the pro version.

Example of encryption:

Encrypt a PDF using 128-bit strength (the default), withhold all permissions (the default)

pdftk 1.pdf output 1.128.pdf owner_pw foopass
  • no pdftk is not the options, see my comment above about the software i mean.. the encryptor and the viewer... thanks
    – Asampaiz
    Commented Apr 15, 2016 at 15:15

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