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Questions tagged [okular]

Okular is a document viewer from KDE.

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LaTex editor Kile does not work on Plasma 6

After upgrade to Plasma 6 Kile does not open as it does not find the Okular library anymore. The problem is that Kile has not been updated to use Plasma 6 yet and it still requires a bunch of Plasma 5 ...
user72829's user avatar
  • 101
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0 answers
108 views

Are there any way to restore closed tabs in okular pdf viewer?

I am on an Arch Linux machine and okular is probably the best pdf viewer, except just one lacking feature which is restoring tabs when you reopen Okular. Now since there is no default option for doing ...
souraj ghosh's user avatar
0 votes
0 answers
51 views

Display the current time during a PDF slides presentation (i.e., totally full screen)

I want to have current time (i.e., HH:MM) displayed in a corner of the screen when I present my slides (at the moment, I'm using Okular but I'm open to change). I have found a working solution $ cat ~/...
gboffi's user avatar
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19 views

Get older revision of signed pdf in command line

I'm creating a multiple signed PDF with JSignPDF. I have an empty PDF file that I sign multiple times. Here is the minimum reproducible example of how I make the PDFs: $ echo '...
Kristian's user avatar
  • 259
0 votes
1 answer
279 views

How can I fix font issue with a PDF file?

I have a PDF file (this Mazda owner's manual to be precise) with font issues. Therefore I cannot search within. For instance, if you search for the word electric, Okular cannot find it (I've also ...
şaloma's user avatar
  • 531
1 vote
1 answer
405 views

How to force onboard stay on top of full screen Okular in LXDE?

Whenever Okular is full screen, the on screen keyboard Onboard goes behind it. How to pin onboard on top of full screen apps like Okular? I am using Debian LXDE.
Archisman Panigrahi's user avatar
0 votes
1 answer
53 views

Open tex file corresponding to an opened pdf file

Suppose I have opened a pdf file (say /path/to/my/file.pdf generated from LaTeX) in evince and want to open the corresponding LaTeX source file (/path/to/my/file.tex) in my emacs editor, I click on ...
student's user avatar
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2 votes
1 answer
682 views

Okular: Transform tab into separate window

I usually want my PDFs to be opened in a single instance of Okular in separate tabs instead of having each PDF be opened in an independent Okular window. Therefore, I have enabled Open new files in ...
Raven's user avatar
  • 713
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0 answers
289 views

PDF reader with thumbnail preview in the opening dialog

Situation: I download lots of PDFs which have unhelpful file names, such as arXiv papers (thanks, 1807.03042.pdf). I'm often reading one of them in Okular and want to switch to another, say just to ...
juod's user avatar
  • 131
5 votes
0 answers
593 views

Maximum number of clients reachedqt.qpa.xcb: could not connect to display :0

I am using Linux Mint 20.1 Cinnamon with kernel version 5.4.0-97-generic. I am facing recent issue when try to open okular from terminal or start-menu.. Maximum number of clients reachedqt.qpa.xcb: ...
Pro's user avatar
  • 202
0 votes
1 answer
336 views

How does an app get or find toolbar icons?

On Manjaro Linux, I installed the Okular PDF viewer. On its toolbars are various icons (e.g. the "hand" icon used for scrolling with the mouse). My questions are: Are these icons part of ...
locx's user avatar
  • 3
7 votes
3 answers
3k views

How to create a self-signed certificate for Okular PDF

I am at a loss. I want to create a self-signed certificate to sign PDFs with Okular. I have not found any step-by-step directions that work. I tried creating and installing a certificate, but Okular ...
gaussian's user avatar
  • 194
1 vote
1 answer
366 views

Disable "speak text" in Okular

I have personally no need for this feature and have never activated it except by error. Sometimes I click that instead of copy and that unpleasing voice starts without any obvious way to make it stop....
cipricus's user avatar
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0 votes
1 answer
145 views

Cosmetic Glitches in Okular in Fedora 33 KDE

Okular shows "No Text" in place of "File" and other menu items in the top menu bar. See screenshot. I've tried removing and reinstalling the program to no success. What's causing ...
John Smith's user avatar
1 vote
1 answer
527 views

Annotations not working in Okular (missing characters)

Yesterday, I upgraded to Fedora 34 from a F33 install. Today, while using Okular (KDE's PDF reader), I noticed that special characters (áéíóúç etc...) doesn't appear in annotations made within the PDF....
Renan's user avatar
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1 vote
1 answer
880 views

Is there a way of creating a hook on Okular for copying text when highlighting it?

Currently, when I use Okular, I can either be in highlight mode or text selection mode, but not both at the same time, which is very annoying because, while reading, I often copy excerpts of the text ...
psygo's user avatar
  • 201
2 votes
0 answers
179 views

open with ... causes one program to appear multiple times

I have a: fresh installation of Linux mint 20 cinnamon a week ago (luv it) and i have 3d ays ago installed okular for pdfs. My Problem: when i want to open a file, that is unknown to the system with ...
kamino's user avatar
  • 36
2 votes
0 answers
370 views

How to prevent okular from opening the same file in new window?

I use okular on a gnome desktop to open pdf files directly from zotero and then annotate them. However, sometimes it happens that I have the same file open in two different workspaces and if I ...
Stan Schymanski's user avatar
2 votes
1 answer
362 views

How to copy paste a created text(annotation) by "typewriter" menu tool?

If I write an annotation by "typewriter" tool, how can I just duplicate it, copy pasting? I can't believe it is not doable....
Mnkisd's user avatar
  • 191
2 votes
1 answer
1k views

Bad rendering of graphics in Okular at higher zoom levels

Once you have inspected the screenshots below, you will see that Okular is significantly worse at rendering my two test files than many other well-known viewers. This is unfortunate, because in ...
linguisticturn's user avatar
0 votes
1 answer
342 views

Okular can only open files from certain folders

I use okular for annotating some of my PDFs but have been having an issue recently where I can only open files that are on my SSD where I installed ubuntu, but not on the 2nd hard drive (located at /...
N A McMahon's user avatar
3 votes
1 answer
586 views

How can I make annotation for djvu file when using Okular?

My OS is [03/13/2020,14:35:06@~]$ uname -a Linux debian 4.19.0-8-amd64 #1 SMP Debian 4.19.98-1 (2020-01-26) x86_64 GNU/Linux That is, Debian 10 (Buster). When in Debian 9, I can make annotation in ...
azc's user avatar
  • 131
3 votes
1 answer
190 views

Okular opens PDFs without colours

I am using okular on Fedora 31. Any pdf I open is opened without any colours! It is grey colored. Any idea what causes this?
ATEF's user avatar
  • 133
2 votes
1 answer
2k views

Why is flatpak so much bigger than snap (at least for Okular)?

I was looking at the best way of installing Okular in Xfce, avoiding too many dependencies. While apt mentions 100 dependencies in a 19 MB download, taking 101 MB on disk, I have tried flatpak and ...
cipricus's user avatar
  • 1,629
17 votes
6 answers
19k views

How do I delete a page from a PDF in Okular?

Didn't see an option in the menus or any documentation on what I imagine is something simple: I have a multi-page PDF and want to delete a specific page within Okular's GUI.
Wolf's user avatar
  • 1,577
5 votes
0 answers
2k views

How to make okular open http/https links in PDFs with firefox?

I'm on FreeBSD and have compiled and installed the graphics/okular port (i.e. not much else of KDE4 other than okular's dependencies.) This has installed version 1.8.0. I start my X11 manually with ...
Jens's user avatar
  • 1,787
11 votes
1 answer
3k views

how to un-hide the Menubar in Okular

In Okular, the visibility of toolbars and panels can be toggled via Settings on the Menubar. From this menu, even the Menubar itself can be hidden, which leaves me with no way to restore it. How do I ...
Trevor's user avatar
  • 1,659
1 vote
1 answer
84 views

Okular annotation settings: porting from Opensuse to Mint Mate

I have two laptops: one with OpenSuse 15 and another one with Mint. I would like to have the same Okular settings (toolbar and annotations in particular) in both systems. I have everything ...
Saturnu's user avatar
  • 185
3 votes
1 answer
195 views

Way to search pdf for annotations, edits and other review markings?

Problem: When I get a proof-read pdf back, sometimes there is only one mark every ten pages or so - and that mark can be so small (missed comma, etc.) that I might miss it when scanning through for ...
argentum2f's user avatar
1 vote
0 answers
458 views

Duplex printing on Kubuntu by default

When I was using Ubuntu 16.04, duplex printing worked like a charm with my Brother DCP-J4120DW. However, I switched to Kubuntu 18.04. This makes Okular the default document viewer and also my document ...
UTF-8's user avatar
  • 3,267
4 votes
2 answers
844 views

Change colour of Okular task-bar-icon in desktop-panel for specific document?

I use Linux Mint 18 and often have a lot of PDFs open in Okular at the same time. One of these documents is more important than the others, and I want to change the color of its tab, in the panel, so ...
Quantum spaghettification's user avatar
28 votes
4 answers
16k views

How to restore Okular default (toolbar) settings

I've somehow managed to remove the toolbar and menu-bar from Okular. After I've found no way to reactivate them from "outside" – sice I can't click on Options anymore – I've tried to reinstall a clean ...
alex's user avatar
  • 993
1 vote
0 answers
72 views

Is there a way to launch okular, emacs, etc. in order to have fast pop up at command line

When I run emacs or okular from command line (these are two apps I use all the time) they are slow to launch. Is there a way to just have them running and ask for new frames from the command line?
Ben Harland's user avatar
5 votes
4 answers
3k views

How do I open files with flatpak okular from command line?

I have an alias for okular installed with flatpak that is set up like this: alias okular="org.kde.okular" It opens up okular from the terminal. However if I try to open a file from the terminal with ...
bit's user avatar
  • 1,106
1 vote
0 answers
4k views

How to open PDF-file locked by password?

I discovered a PDF-file in my home directory apparently generated 2 years ago, of which I have no recollection how it got there; all my attempt to open it by using either "okular" or "acroread" ...
Al Kap's user avatar
  • 91
0 votes
2 answers
687 views

Disable Okular Cache

I have a problem with okular (or it is actually not a problem but irritating). Because of reasons I sometimes start okular from command line (zsh) and after I closed okular (sometimes after some ...
Schoenix's user avatar
  • 193
2 votes
0 answers
209 views

kbuildsycoca4 issues after upgrading from Centos 7.3 to 7.4

I've taken over supporting a number of users on Centos desktops. I recently upgraded from Centos 7.3 to 7.4, after the upgrade when the program okular is run from the command line we get the ...
nphillip's user avatar
1 vote
1 answer
1k views

Customize the folder where Okular saves annotations

I know that Okular saves the annotations made in a PDF document in ~/.kde/share/apps/okular/docdata. I would like to change this directory into the same one where the PDF document is. I cannot seem to ...
XavierStuvw's user avatar
  • 1,119
1 vote
0 answers
277 views

Huge Okular fonts

I've been having a problem for a while now in that I, at some point, accidentally made my fonts in Okular HUGE. (See figure) Since I don't know what I did, I also don't know how to undo it. I'm using ...
Miko's user avatar
  • 11
5 votes
1 answer
3k views

Which command allows me to read a pdf from stdin?

I am looking for a GUI program that opens a pdf from stdin. For instance, if pdf_stdin is the command that opens my pdf from stdin, I'd like to use ggp -d -r [email protected] encrypted.pdf.gpg -o - | ...
user123456's user avatar
  • 5,068
1 vote
2 answers
2k views

Okular in ubuntu cannot perform "selection" and copying&pasting

A "selection" tool in my okular 0.19.3 (soft -- ubuntu, 14-04) allows me to choose only one of those: "selection tool", "text selection tool", and "table selection tool". I need only "text selection ...
Al Kap's user avatar
  • 91
0 votes
1 answer
5k views

Proper way to install Okular

Does someone know a proper way to install Okular on Linux Mint? I used command-line and package manager, both give same result: Okular doesn't have any icon, cannot open pdf, interface has disabled ...
Giorgi's user avatar
  • 123
4 votes
0 answers
486 views

Export comments only from Okular Pdf-reader (tangling)

I use Okular annotations for my Pdfs and use the highlighting and underline-features quite frequently. From some documents it would be nice to export all the passages, that have been highlighted to a ...
stats-hb's user avatar
  • 141
12 votes
1 answer
2k views

Is it possible to make okular not flash when reloading a file?

When I am writing a TeX document, I use a setup to automatically recompile my *.tex files into a pdf as soon as a source file changes (using latexmk). So I put a terminal with nvim on one side of the ...
Sam De Meyer's user avatar
2 votes
1 answer
3k views

Newer version of Okular can no longer annotate certain pdf files

I recently updated to Ubuntu 16.04 LTS from 14.04 LTS, and the Okular version now is 0.24.2. Now I cannot annotate certain pdf files (the "review" option is simply greyed out), which I previously had ...
xji's user avatar
  • 757
6 votes
0 answers
781 views

Is it possible to have multiple "--unique" windows in Okular?

I am using Okular to view LaTeX documents as I am writing them and occasionally compiling. I used to use Evince but I had a lot of trouble setting up forward/reverse searching, which is easy to do in ...
evencoil's user avatar
  • 233
3 votes
0 answers
587 views

Is there any way to recover unsaved annotations in Okular after system crash

Other popular PDF software such as Adobe Reader or Skim (on OS X) offer a functionality to restore your annotations after a system crash even if you haven't saved the file manually yet. Does Okular ...
xji's user avatar
  • 757
4 votes
1 answer
6k views

Open multiple pdfs in Okular from command line

I have Okular configured that when it's already running and I open a pdf from the command line, it should open the new file as a new tab in Okular. However, if this new file is in another directory ...
karpfen's user avatar
  • 155
4 votes
0 answers
670 views

Okular - Transparent inline note?

In Okular, when I set the opacity of an inline note to 0%, the note just disappears altogether, and I don't think that's the intended behavior of this setting. I've read on forums that this setting is ...
xji's user avatar
  • 757
2 votes
1 answer
492 views

Does okular/poppler support following intra-document cross-references in PDF files?

Using docbook and Apache FOP I can create PDFs that contain cross-references. For example, the Table of Contents of a book looks like this: Chapter 1 Introduction........................12 Using ...
Jens's user avatar
  • 1,787