I'm looking for a program with which I can annotate PDF files with text such that this text is always directly visible.

Okular works fine for underlining, highlighting, etc. But when using Okular to make a text annotation, it disappears in a popup window.

I want to make text annotations that always show, without having to click on some popup windows.

Is this possible under Ubuntu?

  • What version of Ubuntu are you using? Also, did you already try saving the annotated PDF document as a new file as described here? – TheOdd Oct 25 '16 at 16:48
  • @OwenHines I'm using Ubuntu 14.04. Yes I saved the annotated PDF with Save As and it shows the highlights but still not the text annotations. – Adriaan Oct 25 '16 at 16:54
  • The only other thing that I can think of that could be causing this is an outdated Poppler package. According to the official documentation, you need at least version 0.20 . Try getting Poppler with this answer (NOTE: Replace the link in the wget command to the latest poppler version from the Poppler page.) Hopefully this will solve the issue. – TheOdd Oct 25 '16 at 17:11

If you would like to use true (editable) PDF annotations, then I guess you will have to live with how your PDF viewer (Okular, Evince, Adobe Reader, …) displays those annotations.

However, if you are ok with annotations which are ‘baked into’ the PDF (by actually editing the PDF and not just adding removable/editable PDF annotations) then you may want to have a look at PDF editing software like Xournal. With Xournal you can add highlighting, text annotations, etc.

Install via the software center

After installing Xournal, you go to “File” → “Annotate PDF” and open the PDF file to annotate. Make your annotations and then go to “File” → “Export to PDF” to save the result.

Note: I had to uncheck “Use XInput” in the “Options” menu for being able to annotate anything – YMMV.

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