Questions tagged [pdf]

The Portable Document Format (PDF) is an ISO standard electronic file-format. Question about PDF can be about reading, converting, creating and editing such files.

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4answers
257 views

Can you suggest an advanced ereader application for textbooks?

I need an ereader application that can be effectively used with textbooks; it should support features like note taking, searching, highlighting, and organizing books of any format (EPUB, PDF). What ...
4
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3answers
5k views

How convert multi-column PDF files to readable PDF in 6 inches display devices?

What is the best way to convert multi-column PDF file into readable format in a 6 inch display devices like kindle?
4
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1answer
877 views

How can I use pdftk to make changes to my PDF ebooks?

There are answers by asalamon74 (here), and by anthon (here, here and here), that use pdftk. I don't think I have pdftk installed on my ebook reader¹. How and where do I install it, and once ...
4
votes
1answer
105 views

Can a PDF run scripts or code?

Can a PDF run JavaScript? If yes what are the limitations of running scripts in a PDF when compared to a browser? Can it do network requests using JS? Can it run other types of scripts? Is ...
4
votes
1answer
5k views

How to install KOReader on Kobo Aura ONE

I am a complete beginner with Kobo or generally ebook readers but I got a Kobo Aura ONE reader mostly for reading PDFs on its large screen. However, the builtin reader is not very great and I have ...
4
votes
2answers
79 views

Ereader that won't blur pdfs

I have the 2015 Kindle Wi-fi Touch. It's great, although when I try to read PDFs on it, it blurs them. I don't have a problem with small fonts, and I realise that ereaders are never going to be ...
4
votes
1answer
766 views

What kind of k2pdfopt optimizations should I be using for these sample pages of a PDF?

I have a bunch of PDF files that follow this kind of layout: When I use k2pdfopt with options -dev kp3 -fc -j -1 -jf -1 0.75 -n- -wrap -hy -ws -0.2, I get this: As you can see the text gets mangled ...
4
votes
2answers
436 views

Sending data automatically to a server from a PDF document

Is there any way to send directly data from a PDF document back to a server? I would like to collect data from readers of an ebook, preferably more or less automatically (with their full consent of ...
4
votes
1answer
899 views

Can I increase the volume of *Read out Loud* in my Adobe Reader?

I have Adobe Reader V 10.1.8 on my laptop and it has a Read Out Loud feature that reads the text in the e-book. The problem is that the volume is too low to hear what the reader is reading. Even with ...
4
votes
2answers
337 views

Alternative to Kobo to solve line wrapping problem

I was given a Kobo as a gift. I like the idea of reading a book on an electronic device because I'd like to be able to click and see a definition of a word that I'm not familiar with, rather than ...
4
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1answer
59 views

Identify if a PDF document is digital native

Is it possible to know if a given PDF is digital native or has gone through some kind OCR or digitization process. If yes, is it possible to do so programmatically?
4
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2answers
2k views

How to convert this chm file to pdf?

I want to convert a chm file to a pdf file. Calibre's command ebook-convert only converts the first 7 pages of the chm file into a pdf file, while the chm file has much more pages. How can I convert ...
4
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2answers
2k views

How do I easily convert and send PDFs to a Nook GlowLight or SimpleTouch's native format

Amazon makes it easy to convert PDFs and send to Kindle in the Kindle's native format. How to do this (simply!) on a Nook? I do know conversion is possible with tools such as Calibre but I was ...
4
votes
1answer
1k views

How do I have Calibre automatically create a cover image from a non-ebook file?

I am an RPG publisher and use Calibre to maintain my research library (PDF, mostly) and my stock art library (various image files). When I load a PDF, Calibre automatically creates a cover image ...
3
votes
3answers
87 views

Is there any tool I can use to examine the differences between two OCR pdfs?

I have pdf's to two solutions manuals for a textbook, and I'm trying to determine how much they differ by analyzing both copies with some sort of tool. Does such a thing exist? Is there any other way ...
3
votes
1answer
117 views

How to best read a PDF on Kindle?

Interested in reliable ways of converting, specifically, PDF files for reading on a Kindle. See also: https://stackoverflow.com/q/5429242/262852 Not looking for a steep learning curve, something ...
3
votes
1answer
125 views

Using K2pdfopt to prepare a document for printing

Can I use K2pdfopt to take a PDF, crop it to the tightest bounding box, and generate a new PDF with 2 consecutive (portrait) pages set side-by-side on the same (landscape) page such that they are ...
3
votes
2answers
1k views

How to convert a html ebook to a pdf file?

Is there some program which can convert a html ebook (consisting of many html files located under different directories and linked to each other) to a pdf file? For example, some shell scripting (e.g. ...
3
votes
2answers
56 views

Calibre fails to unwrap Georgian text

I am trying to use the calibre conversion feature to convert ebook written in Georgian from PDF to Mobi. The effect is however very poor. Someone in 10 lines gets unwrapped. I tried to use different ...
3
votes
1answer
91 views

Adding Video links to an ebook

I am new to ebooks and am not really sure of the capabilities of the system. I have written a number of technical books which I was considering turning into video lectures. Now I think it would be ...
3
votes
1answer
644 views

Calibre - keep personal folder format

I have spent the last few days manually organizing my ebook collection into folders and sub-folders. When I load everything into Calibre, everything gets changed from the title to the way its saved in ...
3
votes
1answer
258 views

How to stamp text to PDF, with a twist

The closest case I came across in this site is this question: How can I personalize each copy of a PDF to add the reader's name or email address to each page? However, I need something more ...
3
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2answers
729 views

How to convert Kindle format (.mobi or .azw) with annotations to PDF?

I'm looking for a way to convert a Kindle book, with several annotations in it, to PDF format, so that my annotations are also saved in the PDF file. Converting from .mobi or .azw to PDF seems pretty ...
2
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2answers
85 views

how to export images using abbyfine reader?

Presently, I using the abbyfine reader for text extraction. Is there a way to export the images from abbyfine reader software? Please advise.
2
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1answer
54 views

Recommend a new e-book reader, main need is highlight and add notes to my books

I have an e-book reader ( in fact it is a gift) Kobo aura. The problem I faced with this e-book is that I am not able to highlight in pdf files, nor add some notes to my pdf books as in adobe ...
2
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1answer
89 views

Standard settings for OCR'ing and compressing a book scan

Is there a set of standard best practices for compressing and adding text recognition to a scan of a book chapter? I'd prefer open source tools, but I'm hoping there is an existing script that ...
2
votes
2answers
1k views

PDF vs DjVu benefits and disadvantages

What's the point of these two ebook formats? The quality and file size of the ebooks tend to be near identical and ereaders for these aren't exotic at all. Why would you choose one over the other?
2
votes
1answer
47 views

Automatic creation of bookmarks from Table Of Content

I've got this big problem: I have a PDF book with, say, 4 chapters and a bunch of paragraphs in each chapters. At the begenning of the book there is a non-clickable index with chapters, paragraphs and ...
2
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0answers
542 views

How to Open pdf, ncx, opf files?

I have an ebook downloaded from my university elearning site, it was downloaded, not online reading. But it can only be opened and readed from university's elearning app (android only, no iOS app for ...
2
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0answers
71 views

How can I publish an ebook online?

How can I publish e-books online so that I can sell them to readers?
2
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0answers
88 views

Create chapters with Office

I usually create summaries of my university stuff with Open Office (in DIN A5 page format) and export it as a PDF. This file I then just send to my Kindle 4 and the document is ready to be read. Now ...
2
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0answers
714 views

What is Best ebook reader for reading mathematics texts? [closed]

I want to know what is the best user-friendly ebook reader for reading mathematics text books. It should use e-ink display and should be able to read pdf and djvu files, text, scanned text, images.
2
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0answers
71 views

What's the correct way for developers to edit PDF? [duplicate]

Recently I got a task to manually add a Table of Contents to a PDF ebook generated by someone who left it out. I didn't know how to do it at first so I googled a lot and found some small tools but ...
1
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1answer
574 views

How to render asciidoc with latexmath macros?

I am trying to compile asciidoc files that contain equations in the following format: latexmath:[\(\mathbb{F}_p\)] [latexmath] ++++ \begin{equation} {K = k * G} \end{equation} ++++ First I tried to ...
1
vote
1answer
240 views

Convert an Android app which is actually an ebook to a pdf file?

I found some Android apps which are actually some kind of ebooks, for example, https://play.google.com/store/apps/details?id=me.zhujiaqi.leetcode. https://play.google.com/store/apps/details?id=com....
1
vote
1answer
187 views

How to save a PDF document without having to choose the file name each time?

I'm reading academic papers in PDF format in Adobe Acrobat Reader. However, when I highlight text and save the document, Acrobat keeps asking me to re-choose the file, rather than just overwriting the ...
1
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1answer
49 views

How to adapt annotations from an old edition book to a new edition book?

I like to write notes on ebooks for reorganizing the topics and for helping with my understanding. One question which I have with this way is that: when a newer edition of the same book comes out, ...
1
vote
2answers
71 views

How to skip those hyphens while searching in acrobat

I have two pdf files: original image pdf where the pdf file is just an image of the text ocr pdf produced by OCR, using ABBYY FineReader 11 these are the process i did i have a image pdf then i ...
1
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0answers
28 views

What are “open” and “closed” settings in PDF bookmarks?

This is an excerpt extracted from the PDF bookmark, using JPdfBookmarks: Believe It or Not: Scientific Progress!?/44,Black,notBold,notItalic,closed,FitPage The Whole Is More Than the Sum of ...
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0answers
42 views

Calibre - output PDF with original page count

I have Calibre with opened KFX file, that shows after conversion to PDF 670 pages. However, the book itself has only 170 pages. How can I create PDF that will have correct page count?
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0answers
92 views

How do I convert a pdf with mathematical typesetting to work on a Kindle Fire 7?

There is a website for a free ebook in PDF format. See this section: Order a copy from Amazon or Barnes & Noble for $16.46 or download a PDF for free here. Click HERE for a PDF copy of the ...
1
vote
2answers
136 views

A nice platform for selling PDF books like Google Play. Any suggestions?

I'm an author who are currently selling books on Google Play. The service works really good and has a wide support for mobile devices etc. The huge downside is its limitations when it comes to ...
1
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0answers
391 views

Good ereader for hand-written notes

I need an e-ink screen I can look at all day without getting my eyes sore (no more than I would on a book, at least). I need it to study, so I'm about to read PDFs and DJVUs, consisting of scanned ...
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0answers
672 views

kindle cannot highlight/select words in converted pdf

I converted scientific books using softwares introduced here. I am using kindle paperwhite and the problem is that i cannot select and long press any word in PDF. Whole the file looks like an image. ...
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0answers
50 views

interactive 3D content - which format supports?

I am looking for options to display a 3D rendered model with some interactivity. Adobe does (used to ?) support for 3D content, however as I know it doesn't work on handhold devices or mobiles, only ...
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0answers
35 views

PDF reader that allows user to alternate between reading on PC and on Mac

I have to read a lot of eBooks (PDF) and am wondering whether there is an app out there that allows me to alternate between reading on Windows PC and on Macbook Air. I am thinking about an app that ...
1
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0answers
249 views

Copying notes, bookmarks, highlighting, etc. added to a .pdf file on a Kindle to computer or other kindle

I am using K2pdfopt to reflow the content of scientific papers (that are in .pdf format) so that they are formatted for my Kindle. On my Kindle, I add bookmarks, highlighting and notes to the papers ...
0
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1answer
653 views

Service to nicely print a huge E-textbook? [closed]

I found an awesome textbook for my language studies. It is freely available as a pdf file, a Word document, as well as a browsable website. For me, language study involves taking a lot of notes in my ...
0
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2answers
151 views

Batch conversion of arbitrary formats to djvu, mobi, epub - not with calibre

I have a few thousand files, mostly PDF, many postscript, that I need to convert to several other formats. I can't use calibre (don't get me started) - I have considered writing scripts to dump pages ...
0
votes
1answer
162 views

How can I read an PDF purchased from Kobo on an Amazon Kindle?

I own both a Kobo Mini and a larger Kindle. I recently bought a PDF from the Kobo store. I was able to import it into Kobo Desktop, but what I'd really like to do is copy it to my Kindle and read it ...