Questions tagged [okular]

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

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22 votes
9 answers
38k views

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 ...
modulitos's user avatar
  • 535
20 votes
1 answer
7k views

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 ...
Praveen Sripati's user avatar
18 votes
1 answer
12k views

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-...
B. du Garay's user avatar
11 votes
2 answers
10k views

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 ...
Suvarna Pattayil's user avatar
8 votes
7 answers
7k views

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 ...
Mick Thomason's user avatar
8 votes
2 answers
3k views

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. ...
JDD's user avatar
  • 83
5 votes
3 answers
2k views

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. ...
gvd's user avatar
  • 183
5 votes
1 answer
2k views

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 ...
Claudio's user avatar
  • 596
5 votes
0 answers
1k views

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 ...
pepoluan's user avatar
  • 1,281
5 votes
0 answers
337 views

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 ...
evil_potato's user avatar
4 votes
3 answers
1k views

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 ...
ysalmon's user avatar
  • 243
3 votes
1 answer
2k views

Okular: Highlight with comment

I need to annotate a PDF document with Okular in the following way: highlight text, then add a comment for the highlight. I'm used to PDF XChange Editor where I can use the Highlight-Tool, then double-...
RL-S's user avatar
  • 173
3 votes
2 answers
2k views

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 ...
Sav-econ's user avatar
  • 171
3 votes
0 answers
219 views

Form filling in presentation mode in okular

I have a beamer presentation with some animation. When I load the pdf, okular shows a "Show forms" option, on enabling that I am able to play those animations. However when I enter the ...
cookiemonster's user avatar
3 votes
0 answers
413 views

Okular Windows 10 not showing videos in PDF

I'm creating a presentation using beamer. I've embedded a video in the pdf using media9 package. I'm using Okular PDF viewer. In ubuntu, everything works fine i.e. I can see the video playing as soon ...
Nagabhushan S N's user avatar
3 votes
0 answers
503 views

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 ...
Nobody moving away from SE's user avatar
3 votes
1 answer
3k views

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>...
ALM's user avatar
  • 31
2 votes
3 answers
1k views

How can I jump to a specific page number in presentation mode in Okular?

Is there any shortcut that allows me to jump to a specific page number when beeing in presentation mode in Okular? I tried to just enter the page number and press enter (as I'm used to from Power ...
jusaca's user avatar
  • 97
2 votes
1 answer
2k views

Convert okular-pdf with annotations to normal pdf

I was asked to proofread a dissertation for somebody using only Windows. I use Debian 7 and opened the PDF with okular and commented it heavily. Everytime I opened the document and then closed it ...
zshperl's user avatar
  • 21
2 votes
1 answer
745 views

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 ...
scribe's user avatar
  • 206
2 votes
1 answer
337 views

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 ...
alfa_80's user avatar
  • 203
2 votes
2 answers
4k views

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 ...
user avatar
1 vote
1 answer
321 views

How can I select an annotation in Okular by clicking on the particular annotation on the corresponding page of a pdf file?

How can I select an Okular annotation by clicking on the particular annotation on the corresponding page of the pdf file? I can do this by clicking on the annotations toolbar but that does not let me ...
goahead97's user avatar
1 vote
2 answers
174 views

What's so special about this pdf page?

I'm in Linux, Kubuntu 22.10. Some programs, including the Plasma PDF viewer Okular, display blank some of the pages in a specific (1000+ pages) pdf, but other programs, including some internet ...
cipricus's user avatar
  • 1,134
1 vote
1 answer
3k views

How to change the text highlighting color in Okular?

How can you quickly switch between text highlighting colors for the "Review" tools in the Okular PDF-reader? For example when browsing through a PDF file and wanting to color different topics ...
user36028's user avatar
  • 451
1 vote
0 answers
86 views

possible for Okular to remember the last "session" & re-open the last open files?

Is it possible for Okular to remember the last "session" & re-open the last open files if you close and re-open it? I have Ubuntu 22.04 with KDE and Okular v. 21.12.3. I'm not sure if ...
raphael75's user avatar
  • 157
1 vote
0 answers
326 views

Text selection with keyboard in Okular

Is it possible to select text in a PDF with Okular using the keyboard? Something in the lines of: Left-click on the text to place the text cursor there, then press Shift and Left/Right arrow keys to ...
R Cassani's user avatar
1 vote
0 answers
92 views

gvim, latex suite, and okular forward search issue

I have a gotten my gvim + vim-latexsuite + okular working well, except for one thing: forward search. I have tried many of the hints on line, but I can't find the solution, but I am close! So, I ...
Hammar's user avatar
  • 11
1 vote
0 answers
240 views

Where does okular store annotations in Debian wheezy?

In Ubuntu, it was in .kde/share/apps/okular/docdata, which a copy solved everything. But in Debian wheezy it doesn't work, and I can't find where they are stored.
Alexandre's user avatar
0 votes
1 answer
3k views

Is it possible to configure Okular to open a given file at the position where it was closed?

I am using Kile + Okular to create Latex documents. Okular has a nice feature that if you open the same document again, it will go to the same position as it was last closed. However, it can detect if ...
Grzenio's user avatar
  • 2,967
0 votes
1 answer
133 views

Okular TypeWriter annomation with explicit Chinese words makes the file size super huge & Revocation doesn't restore file size

Q1: Is there any solution to avoid such huge size change? As also discussed in this Linux forum, when I use okular to add explicit text annomations, the file size will become huge, this seems to be ...
John Paul Qiang Chen's user avatar
0 votes
1 answer
312 views

Javascript links to embedded documents in PDF with linux

I have received a PDF file which embeds (hundreds of) documents, which I can access directly using the "Embedded files" function in okular (but I have not found an equivalent in evince): ...
Joce's user avatar
  • 1,030
0 votes
0 answers
66 views

Debian 11 - LibreOffice can print, but okular can't?

I'm running Debian 11 with KDE, and I use LibreOffice 7.3, Okular 20.12.3 and CUPS 2.3.3; I do have printer-driver-cups-pdf installed as well. I can print documents from LibreOffice and from the ...
j4nd3r53n's user avatar
  • 379
0 votes
0 answers
174 views

Okular is not displaying annotation stamp colors correctly

I just upgraded my Devuan Linux from ascii to beowulf. Now my Okular annotations are not showing the stamps with the correct colors. I have tried changing the colors, but there is no change. As seen ...
ajnabi's user avatar
  • 85
0 votes
0 answers
244 views

Instalation of snap okular(pdf viewer KDE) on Xubuntu 16.04.5 issues

I decided to install okular (PDF Viewer KDE) on my system Xubuntu 16.04.5 (I installed via snap store) , I can open okular but the window has no icons only text, it works: open pdf files, copy images ...
vladimir pavloski's user avatar
0 votes
1 answer
213 views

Modifying default tool in Okular - Linux

I am using Okular as my pdf reader on Linux. I want to know how can make highlighter be the default tool. Because after i highlight a sentence it changes to Browse. I have tried to change default ...
user avatar