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John
Asked: 2020-07-18 19:33:52 +0800 CST

Okular review (annotations toolbar) not available

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I have been using Okular (1.3.3) on Ubuntu (18.04) for a while now and feel pretty confident in my ability to be productive in it. However, suddenly, I am lost.

I opened a PDF (as I have done 100s of times) and pressed F6 to get the annotations toolbar. Nothing happened. I checked for stuck keys on my keyboard. Nothing changed. I closed the PDF and opened another PDF and everything works as expected. I went back and opened the troublesome PDF.

Under the Tools menu, Review (F6) is grayed out (disabled). I checked the file to see if it was read-only. It was not.

Any ideas why the annotation toolbar would not be available in some PDF but would in others? Any idea how to fix it?

kde pdf okular

3 Answers

  1. Try turning off the Obey DRM, in Settings -> Configure Okular

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  2. Possibly this PDF (your troublesome.pdf) is just readable not editable. You can change it by this command:

    $ qpdf -decrypt just_readable.pdf editable.pdf

    Then F6 will work.

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  3. Since the other pdf file works fine — It seems Okular does not recognize the troubled file as a legitimate pdf. You might want (if not already done) to create a new pdf file & see what happens.

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