Portable Document Format (PDF) is an open standard for document exchange.

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0
votes
1answer
121 views

Zotero cannot retrieve metadata from PDF

When I right click on a PDF and select retrieve metadata for pdf the pop up window appears but the auto indexing fails and returns could not read text from pdf. This happens even for PDFs for which I ...
0
votes
1answer
430 views

Printer not printing, ejects a blank page

3 days ago, I needed to print a page from Chrome, print job doesn't happen, so I copied what I needed from the browser, pasted and saved in Libre Office, on printing it ejected a blank page. So I then ...
0
votes
1answer
19 views

Rmarkdown code chunks not interpreted

I'm using RStudio 0.98 on Kubuntu 15.04. I am having difficulty creating Rmarkdown documents, specifically the ones that render a pdf output (and also Open Office). The problem is that the code ...
3
votes
0answers
26 views

Unable to open PDF

I can't open a downloaded PDF file with Document Viewer. I get: Unable to open document “file:///home/myuser/myfile.pdf”. File type Perl script (application/x-perl) is not supported The same ...
86
votes
20answers
41k views

How can I highlight or annotate PDFs?

Currently I need to highlight certain sections in PDFs, or add annotations (comments/notes). These modifications would need to be saved. What tools are out there to do this on Ubuntu?
9
votes
3answers
11k views

How to reduce the size of a pdf file?

I'm looking for a way in Ubuntu to reduce the size of a pdf (by reducing the quality of the images). I know that this can be done in Ghostscript by typing the following command in terminal: gs ...
1
vote
5answers
17k views

How to convert a HTML file to PDF (with colors)

I have a HTML file that is using a style.css and has colors, ex.: <font style=BACKGROUND-COLOR:red; color=white>FOO</font> How can I "export" this local file on my Ubuntu 12.04 to a ...
1
vote
0answers
8 views

Saving a ppt to pdf but keeping the Ubuntu font

I am trying to save a ppt to pdf but the font on the pdf either gets changed out of Ubuntu or it doesn't get saved saying Ubuntu isn't available. How do I fix this?
2
votes
2answers
21 views

How can I install evince 3.14?

My current version is 3.10. The annotation can't delete, and I want the newest stable version to be installed. Here is a related post: How can I install the latest version of Evince? Also, I can't ...
3
votes
4answers
3k views

How to show Arabic properly in PDF files?

I have some PDF files in Arabic, They work fine on windows. however not on Ubuntu 12.04. In System Settings ▸ Language support I did install Arabic. I also tried other PDF programs but I just get ...
1
vote
1answer
26 views

How can I edit a PDF in ubuntu to change its opening settings?

On Windows I used Acrobat pro to edit a PDF so that it opened scaled to fit the window not just at some random scale (like 137%). I'm not interested in changing it in my PDF viewer, there are ...
51
votes
10answers
53k views

How to Edit PDFs?

I typically have two needs: Scenario A. Change a single PDF page. In this case I have a PDF but not the original source file used to create the PDF. I don't want to try to recreate the document from ...
2
votes
0answers
17 views

Possible to create a PDF that includes LO Writer's “Document Background” color?

LibreOffice Writer includes an "Export to PDF" option. When I use this, the PDF's background is always white. Yet in the LibreOffice Writer file I am exporting from, it has a dark-gray background. In ...
3
votes
5answers
2k views

How to edit PDF document?

Usually I receive a PDF contract that I need to sign and send back online. I am wondering what is the easiest way to do so on computer, to avoid the hassle of print/sign/scan process?
3
votes
0answers
16 views

Translate the page numbers of internal links in a pdf link to?

I use pdftk to (extract and) merge some pdf files. One of the input pdf files has internal links within it, i.e. when clicking such links will jump to another position in the pdf file. But in the ...
0
votes
3answers
28 views

Auto opening generated pdf file [closed]

My application generates pdf file and writes out to some folder. Is there any setup to automatically open it when its generated?
0
votes
0answers
38 views

“Unknown long argument --book” for wkhtmltopdf?

I have about 250 html files with name 0*.html. I want to create a pdf file out of them, and preferably with pdf bookmarks/outlines. So I use --book with wkhtmltopdf. However, why it says "Unknown long ...
1
vote
1answer
23 views

How to instruct wkhtmltopdf choose high resolution image files in html

I try to convert a webpage into pdf. wkhtmltopdf http://orion.lcg.ufrj.br/Dr.Dobbs/books/book9/mf1201.htm my.pdf The problem is that the created pdf has very small images, where the image files are ...
2
votes
2answers
99 views

Merging multiple images into one document and add any caption/label to them

I have multiple jpg and png images. I would like to combine them within one document (ODT/PDF/RTF). It can be easily done by means of following command: convert *.png allTogether.pdf However, there ...
1
vote
0answers
13 views

Change page color of some documents

I use Okular for handling my documents (pdf, epub, djvu) and one of the features I like is its ability to change page color to something that soothes your eye ( I generally set it moderate greyish ...
74
votes
10answers
132k views

How can I reduce the file size of a scanned PDF file? [closed]

I have a 72.9MB PDF file that I need to shrink into under 500KB. The file was a JPEG image that I had scanned, and then converted to pdf.
1
vote
0answers
42 views

What causes slowness with wkhtmltopdf [closed]

I use wkhtmltopdf to convert a html file to a pdf file. I thought I was stuck at $ wkhtmltopdf 0099.html 0099.pdf Loading page (1/2) ...
54
votes
7answers
30k views

How to convert PDF to Image?

I have requirement of converting PDF pages to images. There is a background image with some text written, so when I save this as image only background image got saved. Is there any software available ...
6
votes
3answers
3k views

Is there a pdf reader allowing me to change background color of (arXiv) pdfs?

Its quite common that one wishes or has to read lots of PDF files which are intended to be printed, but since one would read them only once, and one wishes to save some trees, one reads them on ...
1
vote
1answer
32 views

Encoding problems with htmldoc, and similar programs to htmldoc?

I want to convert some html files into a single pdf file. I used htmldoc: htmldoc --webpage --header "/" --footer "" -f all.pdf 0010.html 0099.html The output all.pdf doesn't convert some ...
3
votes
2answers
264 views

how to extract a vector figure from pdf

I have a question. I inserted my figure into my pdf file using latex in this way: I first created a vector figure using inkscape. Then I converted it to the pdf format and then included it to pdf ...
0
votes
0answers
12 views

Extract images from a pdf file as vector images [duplicate]

I have a .pdf file and I want to extract images in vector supported format from this file, so that when I zoom in and out the image does not go blury. I am certain the images contained within the pdf ...
2
votes
3answers
2k 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 ...
1
vote
1answer
39 views

Clean or convert pdf documents

I have a pdf file (500 pages) with a lot of images ( black and white). However, the text is blurred and although it is readable, it's really a pain ( maybe hardcopy was scanned poorly, not sure on ...
2
votes
0answers
299 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 ...
1
vote
0answers
199 views

certificate signed pdf

Our Company uses pdf's secured by an .pfx. You must import the .pfx - certificate to read this document. I've tested evince but it can't handle that. It works fine with the latest Adobe Reader for ...
0
votes
1answer
20 views

Page sequence in PDF-file

Can I let Libre office create PDF-files with pages in a certain order? I am an amateur writer and produce books "in the kitchen" by printing the pages in a certain sequence so that they can be cut ...
0
votes
1answer
36 views

I have hidden and unreachable workspaces - how do I cancel them?

I have double workspaces, whether I enable them or not. If not enabled, some pdf's open in an unreachable hidden workspace [I know it's there because I can see the Document Viewer open in the ...
22
votes
6answers
8k views

Is there a tool that can add a password to a PDF file?

I've found lots of info on decrypting PDF files, but none on encrypting them. What tool can do this for me? Edit: There are two good answers below, but in my specific case the PDF was a scan, not a ...
0
votes
0answers
102 views

Adobe Reader 9.5.5 unable to Print Pdf afte upgrading to ubuntu 15.04

I've upgraded from 14.10 to 15.04. Now my Adobe Reader 9.5.5 won't print pdf. qpdfview is working fine but I need Adobe Reader 9.5.5 to print booklets. The printing status shows Processing but doesn't ...
4
votes
1answer
5k views

How do I simulate overprinting in Adobe Reader?

On both Mac and Windows when I print a document there is an advanced screen that allows me to select an option called Simulate Overprinting, however such an option doesn't appear on the Ubuntu ...
1
vote
1answer
33 views

Why won't chromium load a PDF file but firefox will?

I was on the url below using Chromium Version 41.0.2272.76 Ubuntu 14.04 (64-bit). A page at DMV's website and went to load the "CAP application" and kept getting the error message "Aw snap! something ...
7
votes
2answers
2k views

How to set default zoom in evince?

I really love how evince works but this little thing making me annoy so much.When i select a title or a subtitle from the content menu it shifts the zoom and I'am going crazy.On windows it was just ...
5
votes
4answers
3k views

How do I convert a scanned PDF into a PDF with text

I have scanned about 80 pages into gray scale pdf (image format). The end size of the file is about 70MB, which is very huge. Now I am looking for a method to convert the grayscale image-based PDF ...
24
votes
3answers
21k views

How can I convert a ppt to a pdf from the command line?

I have a folder containing a bunch of ppts, each of which I'd like to convert to an individual pdf. I'm using Ubuntu 10.04 with whatever comes installed on it.
4
votes
3answers
2k views

Hyperlinks clicked in evince document viewer are not opening, any ideas on how to fix?

As it was instructed in another thread here in the forums, I opened the /usr/share/applications/mimeinfo.cache file to check for correct references. And noticed this doesn't seem to be the problem, ...
20
votes
4answers
8k views

Adding pages to existing pdf file

I have a PDF document with over 300 pages. I need to add 15 pages in between - after page 180. How can I do it?
13
votes
3answers
13k views

Convert PDF to image

I'm trying to convert a PDF file (it's a book) into an image. When I using convert like this convert book.pdf book.jpg or like this convert book.pdf book.png then I get this warning Warning: ...
8
votes
2answers
2k 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 ...
0
votes
0answers
17 views

Second printout is garbage, first printout is fine, Brother printer, Ubuntu

From Windows or Mac OS X, my elderly USB connected Brother MFC-8600 prints fine. From Ubuntu the first print job prints fine, be it PDF or graphics. The second print job ends up as garbage. If it's a ...
73
votes
8answers
145k views

Which PDF Viewer would you recommend? [closed]

Which PDF-Viewer would you recommend to use in Ubuntu? At the moment I use the standard document viewer (Evince) but I'm missing features like stageless continous zooming.
0
votes
1answer
486 views

I can't open links neither in Okular, MuPDF nor xpdf

Is it a bug in viewers or a property that if I click a link in a pdf, nothing happens in Okular and MuPDF outputs "Couldn't get a file descriptor referring to the console"? xPDF outputs Warning: ...
23
votes
6answers
15k views

Converting DJVU to PDF

I want to convert a DJVU document into a PDF document, separating and preserving the text layer and the images while also keeping the structure from the DJVU. How can I do this in Ubuntu? (I will ...
9
votes
1answer
8k views

Is there a comprehensive list of mupdf keyboard shortcuts?

I like mupdf's speed, but I am exasperated by the lack of documentation and its (unnecessarily) hyper-minimal interface with not a menu bar or context menu in sight. Does there exist a list of ...
1
vote
3answers
12k views

How do I digitally sign a PDF?

I have already acquired a S/MIME certificate (a .p12 file) issued by an authority. Using it in Writer, I can digitally sign documents by following this procedure : How do I make a digital certificate ...