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.

36 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 ...
3
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2answers
851 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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1answer
135 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 with calibre all the images become blurry, I'd imagine they are JPG compressed. ...
2
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0answers
716 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
73 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
90 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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0answers
8 views

pdf TOC creator for large files upwards of 120MB?

I used to use jPDFbookmark's bookmarks feature to create/adjust tables of contents for PDf files, and it worked perfectly well to that end until I input 130MB file and it was no longer functional, ...
1
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1answer
25 views

How to delete the comment in the pdf?

I've tried using Adobe Reader and Adobe Acrobat to delete a comment in a pdf file. The comment was restored the moment I deleted it. How to delete it? File: https://github.com/mjs225/deletepdf/raw/...
1
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2answers
25 views

How can I compress this pdf file without losing readability?

I have a large black and white pdf scan of a book. The book is 1700 pages, and is about 300MB. That is about 150-175kb per page. This strikes me as rather large. Two arbitrarily selected pages are ...
1
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1answer
15 views

Possibility of converting a pdf containing equations to mobi

I have a pdf with lots of equations which gets distorted when converted to mobi format using calibre. Is there any reliable way of doing that? The equations in the pdf might have been written using ...
1
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1answer
63 views

Is it possible to only extract text from a PDF file for free?

Even if I download books in mobi or epub format for my Kindle, I’ve noticed that files with lots of images/graphs disrupt the formatting. Is there a way to delete all the images from a PDF file for ...
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0answers
10 views

Redefining “Page 1” in a djvu or pdf document

For context, I'm a graduate student and I rely on the indexes of digitized books pretty heavily. It is annoying that the page numbers in djvu/pdf files almost always fail to align with those of the ...
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0answers
29 views

How to make the entries of an existing table of contents clickable as link to the corresponding pages?

I have many eBooks as PDF from SpringerLink, which I use for research purposes. The eBooks have indeed a table of contents (with more than 50 entries sometimes), but unfortunately it is not clickable. ...
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0answers
30 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
55 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
96 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
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2answers
164 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
399 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
904 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. ...
1
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0answers
58 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 ...
1
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0answers
36 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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0answers
277 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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0answers
6 views

reflowing text in pdf with reasonable filesize

I generally use k2pdfopt to format scanned pdf for my kindle. But this software increases the file size insanely. After converting a file of say, 10 mb, the reflowed version takes a space around 190 ...
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0answers
13 views

OCR a scanned pdf without keeping the image

In acrobat, one can overlay text on the original document by the ocr facility. But is there any way of completely removing the existing images behind and only keeping the ocr'ed text? I want to edit a ...
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0answers
12 views

Is there a tool for heading detection?

Given a PDF without a TOC or bookmarks, is there a way to create a TOC by automatically detecting the headings?
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0answers
10 views

Can I add sections in a pdf file not having any from the source?

The case is that I have a pdf document that does not have any sections downloaded from a website. Can I add some sections in it? For more clarification, please see the attachment. Thanks in advance ...
0
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0answers
10 views

Automatically add internal links to pdf?

Is there a way to automatically generate links for the table of contents of a pdf file? The idea is that for a pdf of a book it would be nice to have clickable links for the headings in the table of ...
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0answers
36 views

How do I export the text from a PDF file and keep the proper formatting?

I converted a PDF to text. However, I would need to massively edit the text file, because lines of text are broken in the middle into two or more lines. I want there only to be carriage returns at the ...
0
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0answers
18 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. ...
0
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1answer
46 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 ...
0
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1answer
49 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 ...
0
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1answer
150 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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0answers
44 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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0answers
253 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
20 views

pdf with links to different books / folders

I hv received pdf with links to tv shows on tv; another pdf with links to different books (stored in google drive.) So you click on the picture and it takes you to the pdf book and opens it. I have ...
-1
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1answer
313 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 ...