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Questions tagged [okular]

Use this tag for questions about Okular, KDE's document viewer.

Okular is an open-source document viewer that is part of the K Desktop Environment (or ). It supports opening common formats like PDFs, PostScript files, and ePubs.

Related Software

  • - another open-source document viewer which is designed for the GNOME
  • Sumatra PDF - an open-source document viewer for Windows

Sources

34 questions
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Where does Okular store the PDF annotations?

I am using Okular in Ubuntu 11.04 as it has support to annotations and is faster to do a quick find across large documents. The annotations are not stored in the document, but are stored as metadata in some folder. I would like to know where Okular…
Praveen Sripati
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How to sign a pdf in Okular or other FOSS program?

How do I sign a PDF in Okular? I tried searching for about 20 mins, but I can't find any answers... I have a .png of my signature, and I basically want to insert it into the document on the dotted line. An electronic timestamp etc would also be…
modulitos
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2 answers

Customise Okular to modify highlight tool properties

I am using Okular as my pdf reader on Linux. I want to know how I can modify the color of the highlight permanently. I know I can modify the saturation of the color used by highlight tool by right clicking on the highlight selection and making the…
Suvarna Pattayil
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Okular - Darkmode without invert images colors

I'm studying a lot on screen because of the Covid19 pandemic. And it tears my eyes apart. brieucdug@msi:~$ lsb_release -d && uname -r Description: Ubuntu 20.04 LTS 5.4.0-37-generic (gnome-shell) Resume I've set the dark mode on, but it inverts…
B. du Garay
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8
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2 answers

Modify Okular highlight to automatically copy highlighted text into comment

Despite what old SE questions state, the PDF software Okular can now write annotations directly to the PDF. This makes it very useful in conjunction with Docear for annotating academic literature. However, Docear imports annotations from the…
JDD
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Customise Okular to add my own annotation "stamps"

There's an excellent post on customising Okular to modify highlight tool properties at Customise Okular to modify highlight tool properties It's helpful but it deals with modifying an existing tool feature. I want to add my own annotation "Stamps"…
Mick Thomason
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1 answer

How to recover annotations made by okular to a PDF file after being moved from another user's homedir?

I made lots of annotations to some PDF files using okular (KDE's PDF viewer). Then, I decided to move them to another user's homedir, but found out the annotations weren't available anymore. With a little research I found Where does Okular store the…
Claudio
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5
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2 answers

Change border color of Okular annotations

Inline Note annotations in Okular (the default PDF reader for the KDE desktop) only allow me to modify the highlight color by default, but I want to modify the border color of those annotations too. How can I modify the border color of Okular…
gvd
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4
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Okular print multiple pages per sheet has been greyed-out/deactivated

As the question goes, the page setup options remain greyed out whenever I want to print multiple pages a side and save it as a pdf document in a file (the print to file option). I do not have a working printer so I cannot say whether the problem…
evil_potato
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Unrelated software interaction disables external monitor and makes it undetectable by xrandr

I have a laptop running KDE Plasma 5 on Arch Linux which has problems with external monitors. Sometimes I have to try multiple times to connect the HDMI cable before the monitor is detected. Then it runs fine until I open a PDF file in Okular, which…
Nobody moving away from SE
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Is there any way to modify built-in shortcuts in Okular?

I am using Ubuntu 14.04 with the following okular version: -Qt: 4.8.6 -KDE Development Platform: 4.13.3 -Okular: 0.19.3 I know that I can configure the shortcuts that are available in the Settings>Configure shortcuts. Is there a way or a file that…
ALM
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Okular (on Ubuntu 9.10) prints multiple pages per sheet (n-up) very small

I'm trying to print a set of beamer slides with multiple slides per page (4-up or 6-up). When I select 4 pages or 6 pages per sheet in the Okular print dialog, the pages print quite small (perhaps even tiny -- about 1.75" by 1.25") and leave…
user23884
2
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2 answers

How to sync okular annotations between Windows and Linux using Dropbox?

Is there some way I can make Okular store metadata (specifically annotations) in Dropbox, so it is read by Okular regardless of which computer I am using. For example, I have a Linux laptop with lots of Okular annotated PDFs, but when I read them…
Sav-econ
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Annotation functionality using Okular on Ubuntu 10.04

I am having a problem with Okular when dealing with annotation functionality. I am able to do annotation (write note, etc..) on PDF document but then once it is saved and reopened using Evince or Okular itself, it will not appear as the annotated…
alfa_80
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How to set QT_SCALE_FACTOR for Okular?

Okular's UI elements are too big. After some looking I found that QT_SCALE_FACTOR was set to 2 because my laptop's screen is 4K while my external monitor's is not. Even when my laptop's screen is off and the only display is my monitor, the…
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