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

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1
vote
1answer
34 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
267 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
190 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
13 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
30 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
7k 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
47 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
4k 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 ...
50
votes
7answers
28k 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 ...
1
vote
1answer
21 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 ...
6
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 ...
23
votes
3answers
20k 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.
72
votes
10answers
128k 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.
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, ...
19
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
12k 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: ...
7
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 ...
3
votes
4answers
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?
0
votes
0answers
11 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 ...
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 ...
70
votes
8answers
139k 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
473 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 ...
8
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 ...
0
votes
2answers
2k views

generic-CUPS-PDF-printer - Ubuntu 14.04

Printing any document to a PDF works nicely. Unfortunately I want the created PDF file to be saved at a different location. The current default location is: /home/PDF The desired one location is: ...
19
votes
1answer
17k views

How do I convert a PNG to PDF with only the default packages on 11.10?

Openning a png file in ubuntu, I can see the menu item for 'print to file'. How can I do the same on shell? PS: I prefer installing no extra package, due to lack of root access. EDIT: the operating ...
2
votes
0answers
24 views

Configure Evince to open maximized with 100% zoom level?

I have Ubuntu 12.04.5 LTS installed on my computer. If I open PDF in Evince for the first time, the window is always un-maximized and zoom level is 70%. I want Evince to be maximized and the zoom ...
21
votes
6answers
46k views

PDF to word conversion software?

Is there any free software available on Ubuntu that can convert a pdf file to a .doc file?
1
vote
0answers
15 views

LibreOffice writer: Adding bookmarks

I want to fill out the "Structure/Index" panel that is visible when viewing PDFs but I am not sure how to work this out in LibreOffice writer. In picture #1 the bookmarks I want to add are marked by ...
14
votes
5answers
7k views

Getting the word count of a pdf document in Evince

Is there any way I can get the word count of a PDF document that I'm viewing in Evince, Ubuntu's default pdf viewer? I'm able to convert the documents to text files and get the word count from the ...
0
votes
1answer
30 views

How one can install the font MT Extra on Ubuntu?

I read that my pdf-readers Xpdf and Okular can't show a document from http://math.aalto.fi/opetus/sovtoda/oppikirja/Johdanto.pdf correctly as my Ubuntu or xpdf and evince has not installed the font MT ...
1
vote
2answers
825 views

Okular crashes Ubuntu 14.04

I recently installed okular using the ubuntu software center, but I haven been able to use it yet, once i run the program and I choose open document it crashes. This appears to me in the command line ...
0
votes
1answer
48 views

Install FoxitReader without using Wine

Ubuntu 14.04 LTS 64bit I recently came to know that FoxitReader Ubuntu version has been released. But I am unable to install it using the instructions given in its manual(check this link). When I ...
17
votes
5answers
9k views

pdf to mobi convertor

is there any application in natty which can convert a pdf file into a mobi file?
1
vote
1answer
26 views

pdf and document browser ( like image browser but for pdf )

I have a lot of pdf files ( research papers, presentations ... ) and I download or make by myself lot of them each week. I need something to browse trough them fast and to manage them (like sort them ...
0
votes
0answers
31 views

CUPS-PDF prints a blank page

I am a new ubuntu user. I installed cups-pdf to print a pdf file, but everytime I print I get one blank page, no matter how many pages I try to print.
4
votes
2answers
197 views

How can I view PDF bleedbox, cropbox, trimbox, etc?

How can I view PDF bleedboxes and trimboxes on Ubuntu, like I can in Adobe Acrobat Pro? I would like to do so without resorting to a Virtual Machine or WINE. Example: The green mark is the trimbox. ...
83
votes
19answers
39k 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?
-1
votes
1answer
48 views

convert pdf images to text

i have been checking to see if there is a way to convert images of a PDFs to a real text file and i found some ways but i couldn't understand anything ,i am not that technical ,so if you please anyway ...
0
votes
1answer
48 views

How to Compress (More then one at a time) PDF files from terminal

I work with lots of rather large imaged documents ranging from a few bites to multiple gigs of data per file. I need these documents to take up less storage space and especially to be more ...
1
vote
1answer
20 views

PDF Mod extract

Having PDF Mod,I extracted a file(70 mb) into 6 pieces.Now,in each piece when I go to properties I still see 70mb when each of them is about 11-13mb.How can I change that? Thanks.
2
votes
1answer
42 views

Is there any way for assigning external metadata to files?

I need a way of assigning tags and numbers (like rating, importance, etc) to my files and also be able do queries and file operations based on these metadata. Just like a photo management software ...
2
votes
1answer
62 views

How to prevent pdf script code from executing?

Is there a setting inside Ubuntu Default PDF viewer (evince) or Okular to disable embedded script execution in PDF files ? It is a really important setting, that adds an extra security measure ...
2
votes
1answer
42 views

PDF viewer that lists open documents [duplicate]

I'm wondering if anyone knows of a document viewer that has a menu of some kind that shows all my open documents. I typically have anywhere between 5 and 20 PDFs open when I'm doing research, and ...
19
votes
5answers
25k views

Create a single pdf from multiple text, images or pdf files

I have a bunch of text files, images and pdf files which I want to convert into a single pdf file. How do I do it?
0
votes
0answers
15 views

Evince Crash While Editing PDF-Form

I try to edit a PDF in evince. The PDF has editable forms. At some point it stops recognising the keyboard input. How far I get chances from time to time. The PDF stays visible, I can click into the ...
16
votes
5answers
29k views

Is there a better pdf to text converter than pdftotext?

I'm using pdftotext (part of poppler-utils) to convert PDF documents to text. It works, for the most part, but one thing I wish it did was to insert blank lines between separate paragraphs instead of ...
1
vote
1answer
4k 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 ...