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.

24 questions with no upvoted or accepted answers
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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 ...
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460 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 ...
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69 views

How can I publish an ebook online?

How can I publish e-books online so that I can sell them to readers?
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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 ...
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26 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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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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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 ...
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2answers
125 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 ...
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385 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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654 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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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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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 ...
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243 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 ...
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Need app for reading original pdf on multiple platforms with position and notes sync

My platforms are PC with Windows 10 (+Chrome browser inside) and Android phone. I need to read a large PDF (with formatted text, not just images) switching between my PC and android, and I need to ...
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10 views

Is there any app available for reading the books downloaded in PDF format?

I like to listen to audiobooks a lot. Is there application which can read the downloaded books directly? There are various app but you have to manually copy the paragraphs and then it reads for you. ...
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1answer
17 views

JPG loses quality during epub to pdf conversion with calibre

I have a epub with a bunch of formulas as jpg files. In the epub they are super crisp, but during epub to pdf conversion all the images become blurry, I'd imagine they are jpg compressed. How can this ...
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1answer
29 views

PDF Compressor online / software

I have a very large Ebooks I would like to Compressor their sizes and maintaining the highest possible quality. Is there Best PDF Compressor software or online website that I can Upload my private ...
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18 views

I would like to view full cover of converted pdf ebook originally purchased on Kindle Store

I would like to view full cover of pdf ebook originally purchased on Kindle Store and then converted with Ultimate. I see the thumbnail on my adobe reader app on my ios device. I would like to know ...
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31 views

Extract highest quality images from a pdf. Handle annotations & jpeg 2000 in Ubuntu

I am trying to extract the highest resolution images I can from a pdf, so that I can clean it up via scantailor. I'm using Ubuntu 16.04. pdfimages -list returns three files for each page: 1 ...
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20 views

How to create large print from PDF

I have low vision, and would like to print PDFs in a bigger than default print. I don't mind it if the content gets split over multiple pages. Essentially something like "copy half the page, and print ...
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1answer
79 views

Best PDF app reader for iPad that emulates the paper book experience

Good day. I've used before PDF Expert by Readdle. But I really dislike seeing the gray spaces where the PDF ends and doesn't fit the entire screen. Now, I know that this is not "possible" per se, ...
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42 views

Pdf restrictions

I have to sent a pdf file to a company and it should not possess restrictions of any type. However, I could not remove the "Changing the document" restriction. Could you help me or indicate how I ...
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221 views

DIN A5 PDF on Kindle Paperwhite 2

What PDF paper sizes does Kindle Paperwhite 2 supports? I'm generating a ebook from sources, so I can specify a size. But when I use any paper size (like A5, or B7) different from default (portrait ...
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1answer
308 views

Creating books for CreateSpace in InDesign

I'm working on some code to (amongst other tasks) help export an indesign document to a PDF suitable for CreateSpace submission. I've been looking around for the answers to my questions online, but ...