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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

36 questions
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9 answers

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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1 answer

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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1 answer

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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11
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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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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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7
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7 answers

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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5
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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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0 answers

Customize appearance of digital signature in Okular

I am using KDE Neon, and I have successfully configured Okular to add a digital signature to my PDF (using Tools > Digitally Sign menuitem). However, it looks ugly like this (the rectangle with black border and light grey fill): (I added some black…
pepoluan
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5
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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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5
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3 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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3 answers

Avoid opening the same file in multiple Okular instances

When invoked on a file that is already opened, okular will simply start another instance. This leads to cluttering for example when compiling LaTeX documents and repeatedly starting the viewer, or simply when one has forgotten a file is opened and…
ysalmon
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3
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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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3
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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
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