Questions tagged [okular]

Okular is a universal document viewer based on KPDF for KDE 4.

Filter by
Sorted by
Tagged with
68 votes
8 answers
59k views

How to "save" a rotated pdf file

I have a pdf file shown upside down. So I use Okular to rotate it and it looks good. The problem is, The next time I open it with other software, it's still upside down. If I open it with Okular, it ...
Peng Zhang's user avatar
  • 1,555
34 votes
5 answers
9k views

Clicking links in pdfs opened with Okular opens Abiword (instead of the default browser)

I work with Xubuntu 12.04 and use Okular (version 0.14.3) to view pdf files. If I click a web link in a pdf file (created with "pdflatex" using the "hyperref" package), "Abiword" (It's a word-...
Marius Hofert's user avatar
32 votes
6 answers
35k views

How do you change the default document viewer to Okular?

I have just started using Okular and I love it. It has a lot of functionality that I need when I am in pdfs and it already opens up epubs automatically. How to I get it to open pdfs by default instead ...
LibraryGeekAdam's user avatar
26 votes
1 answer
15k views

Is there a pdf reader that displays animations?

I'm creating a presentation and need to include some animations. I placed the animation in the pdf file using Beamer (after storing the animation in a bunch of png files). Now, when I open the file on ...
Yotam's user avatar
  • 1,428
22 votes
1 answer
41k views

Cannot find Highlight tool in Adobe Reader or Okular [closed]

I use Elementary OS Luna 64 bit. I'm trying to get the PDF annotating tools for highlighting text on PDF documents. I tried Adobe Reader and Okular. But both haven't that feature on my PC. But when I ...
jkvithanage's user avatar
18 votes
4 answers
18k views

Okular can't read pdf files

I recently have installed Okular on my Ubuntu 14.04. The problem is when I open pdf files, okular gives me the error "Can not find a plugin which is able to handle the document being passed." When I ...
hoang anh Nguyen's user avatar
17 votes
7 answers
40k views

How to Install Okular 0.15 on 12.04 LTS?

See here for reference: http://okular.kde.org/news.php The new version includes an option to save annotations to the PDF file itself. That's why I am very eager to try out. Is there any PPA from ...
Glutanimate's user avatar
  • 21.4k
17 votes
4 answers
27k views

How to add a Signature stamp to Okular

I'd like to have my own signature as a stamp for Okular. In folder /usr/share/okular there is a config file drawingtools.xml and in folder /usr/share/okular/pic the is a stamps.svg containing some ...
rundekugel's user avatar
16 votes
3 answers
13k views

How to preserve highlighting and annotations created in Okular?

I have to read through various research papers and during the course I have to highlight and annotate. But if I rename the file later or change machine the highlights and annotations will be missing ...
nxkryptor's user avatar
  • 313
15 votes
2 answers
2k views

Auto-Saving in Okular - is it possible?

Is there a way of auto-saving annotations and highlights in Okular 0.19.3? Every time I make a change, I got to Ctrl+Shift+S to save it, and sometimes I forget it, I close the window and the software ...
Cabeça de Vento's user avatar
13 votes
3 answers
3k views

Stay in Annotation mode in Okular?

I am trying to markup a PDF that I have in Okular. I would like to make a lot of notes with my Bamboo tablet, but every time I lift the pen, I go back to the default mode. This obviously defeats the ...
skaz's user avatar
  • 1,353
13 votes
1 answer
2k views

Okular instances does not group under single icon in desktop dock on Ubuntu 17.10

After upgrading to Ubuntu 17.10, multiple instances of okular will no longer group under a single icon in the desktop dock. I am running 17.10 under X.org, and if it matters: I am viewing PDF files ...
Håkon Hægland's user avatar
12 votes
1 answer
7k views

Suddenly Okular will not open any more

I have made my laptop double boot a few months again, with Ubuntu 18.04.1 . I have been working with okular to open pdf files (for the commenting option) but suddenly okular doesn't work anymore. When ...
DeanTheMachine's user avatar
11 votes
1 answer
4k views

Why do PDFs with forms create black bars on some pages?

I am using Ubuntu 14.04. I've been working with PDFs with forms, and recently I've had some issues with a set of character sheets for D&D; they come with forms so that you can save your character ...
Dragyrn's user avatar
  • 111
10 votes
2 answers
10k views

How to enable "Text Selection" at startup in Okular?

In KDE's PDF reader "Okular", at startup, text selection is set to "Draw a rectangle around the text/graphics to copy". I'd like to have it set as "Text Selection" by default. How to do this?
Martin Monperrus's user avatar
10 votes
1 answer
2k views

How to disable "This document has embedded..." pop-ups in Okular?

How to disable pop-ups at the top of okular "This document has embedded files. Click here to see them or go to File -> Embedded files". Is it possible? I haven't found a setting for this.
ka3ak's user avatar
  • 393
10 votes
4 answers
6k views

State of Okular in Ubuntu 17.10?

With Ubuntu 17.10, Okular (installed through the Ubuntu repositories, i. e. apt install okular) seems to work a lot worse than in previous versions. This is both on Wayland and on the X session. Here ...
Socob's user avatar
  • 839
10 votes
4 answers
13k views

The "Speak Text" feature in Okular is not working. How do I get it to work?

I'm currently using Ubuntu 18.04 and Okular for viewing pdf documents. I thought it would be convenient if I could use the text to speech feature. I tried following all the instructions given here: ...
Sreram's user avatar
  • 649
10 votes
0 answers
2k views

How to automatically save at shutdown and restore Okular / KDE sessions in Ubuntu?

When I reopen Okular, I want to have the same windows / tabs as when I last closed it, usually at system shutdown / startup. Is that possible in Ubuntu (not Kubuntu, running the standard desktop). 15....
Ciro Santilli OurBigBook.com's user avatar
9 votes
1 answer
3k views

How to change Okular's "Find..." highlight color?

When I am using the "Find..." feature in Okular, the matches are highlighted in yellow. How can I change this color? I also add annotations to PDF files in Okular and the default color for text ...
MakisH's user avatar
  • 1,102
8 votes
3 answers
7k views

Multi-tab pdf reader and a way of opening pdfs in the same tab but not from within the app?

I'm using qpdfview and okular. They support tabs. But I do not see how to do the following: a) open (double click) files and have them open in one window as tabs b) "merge" all open windows ...
mathtick's user avatar
  • 589
8 votes
3 answers
2k views

How to set the default document reader in Ubuntu 16.04?

A long time ago it was possible to set default applications through the command line in the file ~/.local/share/applications/defaults.list. But this file is no longer around. How could I set Okular ...
Luís de Sousa's user avatar
8 votes
4 answers
7k views

Annotating PDFs in Evince and then viewing the output in Acrobat / Adobe products

As I don't use Windows whatsoever and have been a big fan of Evince for some time, I was really happy to learn that Evince now supports the addition of annotations (even if it doesn't support the ...
user294061's user avatar
8 votes
3 answers
9k views

Ubuntu 16.04 some applications take too long to start up

When I start up Ubuntu 16.04 some applications take too long to run the first time I open them, including Chrome and any PDF viewer. Others, like nautilus, start up immediately. The first time I try ...
Reginaldo Demarque da Rocha's user avatar
8 votes
2 answers
8k views

How to make Okular play embedded video

So I create presentations using LaTeX and the Beamer class. This allows me to embed videos (.mp4, .avi, .gif) formats in my presentation. These seem to play well in full versions of acrobat reader but ...
dearN's user avatar
  • 2,179
8 votes
1 answer
1k views

Why are KDE apps running on unity too slow to load

I use a few KDE applications in ubuntu; Okular, Kate and Kile. And it seems to me that they take a lot longer to load than other programs like Evince and gedit. Is it because I'm running unity ...
Prastt's user avatar
  • 291
8 votes
1 answer
4k views

Help with debuggin KF5 / CMake error in building Okular to avoid jagged lines of freehand tool

I'm trying to compile Okular from scratch following these instructions (towards the end of the page): git clone https://invent.kde.org/graphics/okular.git cd okular mkdir build cd build cmake -...
Flo's user avatar
  • 183
8 votes
1 answer
6k views

okular default printer settings

In Kubuntu 11.10, Okular does not seem to obey the CUPS default printer settings. So everytime I want to print something double-sided I have to select the option in Okular, really inconvenient. Is ...
evencoil's user avatar
  • 767
7 votes
1 answer
28k views

How to install latest version of Okular on Ubuntu 16.04?

At Okular's webpage I see that its latest version is 1.2, released in August 2017. In my Ubuntu 16.04 I have Okluar, which says in its About section that it is version 0.25.0. If I try to update ...
That Guy's user avatar
  • 319
7 votes
1 answer
2k views

Okular not rendering markdown files

Recently I installed Ubuntu 20.04, and then Okular. In my previous Ubuntu 18.04 I often used Okular to render markdown files. Now it is not rendering these format. Do I have to install something extra?...
user171780's user avatar
7 votes
3 answers
2k views

Okular does not respond anymore, needs Qt_5.15

I have Ubuntu 20.04 running on my system and was using the pdf-viewer Okular until recently. However, now Okular does not start when double clicking on a pdf-file and starting from the terminal gives ...
Ubuntu_fan's user avatar
7 votes
2 answers
8k views

Printing PDF-files via network extremely slow

I encounter grave problems trying to print PDF-files, no matter whether I use Evince, Okular or any other linux program. The Documents are printed extremely slowly or even completely fail to print at ...
YSN's user avatar
  • 2,349
7 votes
1 answer
970 views

How to use qt-speech in Kubuntu 18.04 (cli / Okular)

In Kubuntu 18.04 Okular can read any selection text, or the whole document by default. That is great, it is using qtspeech5 but How do I set the language? How can I use it from the CLI? Can't ...
Janghou's user avatar
  • 5,689
7 votes
0 answers
2k views

Cannot change Okular's default page size under Ubuntu 18.04

After installing Ubuntu 18.04, Okular always defaults to "A4" as the page size, even if I have set the page size to "letter" everywhere. For example, even if in Okular's printer dialog I click "...
scaramouche's user avatar
7 votes
0 answers
812 views

How can I increase the viewing history (recent documents) in Okular?

I tried looking for an entry/number in ~/.kde/share/config/okularrc but there was nothing to edit there as to allow me to increase the number of saved addresses
user182936's user avatar
6 votes
2 answers
3k views

How to flatten comments using okular

Recently Okular has become a great tool to annotate pdfs. I have added some annotations (stamps) using okular to a pdf. I would like these annotations to become flat. By flat I mean that they are no ...
Bruni's user avatar
  • 10.5k
6 votes
1 answer
2k views

How can I change Okular's GUI so I get white text on black background or similar, instead of blending colors?

Okular has an odd choice of font and background colors in some places and this makes it difficult to read some text. I looked at the settings and searched online but couldn't find anything on changing ...
user avatar
6 votes
2 answers
2k views

okular stamps not visible in other pdf viewers

I run 18.04.1-Ubuntu and have installed okular using snap okular 19.04.2 63 stable kde✓ I'd like to create image signature stamps with okular like described here How to add a Signature ...
A Roebel's user avatar
  • 411
6 votes
3 answers
3k views

Where does okular store pdf annotations?

I am trying to figure out where okular is saving annotations for pdf files. According to this answer they should be in ~/.kde/share/apps/okular/docdata but there is no files in that folder. But still ...
Håkon Hægland's user avatar
6 votes
2 answers
1k views

embedded pdf readers don't recognise keyboard input

Since upgrading to 10.10 none of evince, okular or xpdf recognise up/down, pageup/pagedown keys when working as a pdf reader embedded in firefox. I had this problem before (10.04) with okular, which ...
Seamus's user avatar
  • 926
6 votes
2 answers
2k views

Ubuntu 18.04 Okular printing regression? Multiple pages per sheet with page border

In Ubuntu 16.04, Okular had this nice "Pages" tab in the printing dialog: In Ubuntu 18.04, this tab is not there anymore. There is a similar option for printing multiple pages per sheet in the ...
user3669782's user avatar
6 votes
0 answers
4k views

Signing pdf with Okular

I saw that in Okular we can now digitally sign a document. I would like to know the steps from scratch to make this work. At the moment Okular tells me "There are no available signing ...
Sevla's user avatar
  • 61
6 votes
0 answers
543 views

Increase scroll speed in Okular only

Okular scrolls (at least when using two-finger touchpad scrolling) much slower than most other applications on my computer (in particular evince). Is there some way to increase the scrolling speed ...
0x539's user avatar
  • 279
6 votes
0 answers
2k views

Going through annotations in Okular

I use Okular to read and annotate PDF textbooks. I use mostly highlighting alone but I sometimes add a pop-up note attached to highlighted text. When I want to read some material again, I like to just ...
Ben's user avatar
  • 161
6 votes
1 answer
864 views

okular and external movie player compete for owning the screen?

I have been using okular as my primary pdf viewer, and for pdf presentation. Usually my pdf presentations contains link to external movie files, which, upon clicks, will be opened in an external ...
yopology's user avatar
5 votes
1 answer
15k views

How to make Okular follow the system theme?

Since I upgraded to Ubuntu 18.04, Okular doesn't follow the Adwaita-dark or Arc themes when I set them with the Gnome tweak tool. Is there any way to fix this? All I really want is for Okular to use ...
user avatar
5 votes
2 answers
8k views

Cannot view PDF files with fillable fields with Okular

Most PDF files work perfectly well with my default document viewer Okular, but cannot open a PDF file with fillable field with any program other than Adobe Acrobat Reader (acroread). Is there anyway ...
13east's user avatar
  • 1,945
5 votes
1 answer
3k views

Print PDF from Okular without scaling down?

I have just started using Okular now that I've installed Kubuntu (18.04). Previously, when printing a PDF, I would get an option about scaling. For instance, Adobe Reader has options such as "Fit to ...
Wildcard's user avatar
  • 1,153
5 votes
3 answers
3k views

Invalid Context warnings about icon themes when starting certain apps

When I start okular from the terminal, I get a bunch of "Invalid Context" warnings about certain icon theme folders (both from Yaru, which is the theme set in Gnome Tweaks, and Adwaita). ...
Atai Ambus's user avatar
5 votes
1 answer
2k views

How can I export annotations from a PDF file in Ubuntu?

Exchanging academic PDF with some fellas made me think if it was possible to export the annotations and, in case of yet-to-be-published papers, the corrections from those files to a spreadsheet or ...
Cana Bello's user avatar

1
2 3 4 5