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.

Filter by
Sorted by
Tagged with
0
votes
0answers
52 views

How to remove any kind of selectable fields in PDF

I am trying to remove these selectable fields from this PDF. The goal is to remove them and then run them through an OCR so that I make a searchable PDF. I have managed to make the PDF searchable ...
0
votes
1answer
63 views

Convert PDF to Epub, advanced features

I've read all similar questions here, and most of the answers suggest using calibre for this task, however, I'm trying to improve the output. Here I explain: I've extracted text from a PDF using ...
0
votes
0answers
44 views

Creating a PDF File

I have a folder that contains subfolders with different files inside them (html, css, images, audio files ...). It's basically the contents of a book. How can I create a PDF file from this folder, is ...
0
votes
1answer
45 views

Where to buy non-kindle-format (epub,azw) e-books which look like the printed books?

If I want to buy e-copy of academic books, most of the publishers (Oxford, Cambridge, etc.) direct to amazon store or allow epub version. However, I do not want the e-pub or other formats (e.g. azw) ...
0
votes
0answers
8 views

What are the limits or parameters for send-to-kindle for volume or quantity?

More of an Amazon Kindle policy question than technical. I have about two hundred PDF's which I'd like to load on my Kindle using calibre to send attachments. Each PDF is about fifty pages of text, ...
0
votes
1answer
38 views

How to convert PDF's with footnotes for Kindle?

I have a collection of PDF files which I'm looking to load onto a Kindle. First, however, they need to be converted. Experimentation gives sub-par results by selecting and converting to mobi through ...
1
vote
1answer
12 views

How to fit the size of a font to fit a PDF fillable box

More of a pdf editing question. A lot of PDF forms restrict you to put 1 letter in each box when filling them Something like this: Has anyone found a way to fill these forms via computer ? Very hard ...
2
votes
1answer
35 views

want to convert OCR PDF to computer font

my pdf text is too blurry. so i want to convert it to computer font from scanned image.i already tried increassing quality by adobe/edit/preferences/page display.
1
vote
0answers
36 views

Amazon Kindle Fire won't allow allow links in PDFs to work

On my Kindle Fire I opened the PDF via the silk browser. The PDF contains links. On my iOS device I can click on the links in the PDF. On my Kindle Fire the links don't work.
4
votes
1answer
92 views

How does Google Play choose page number / how to influence it?

Our book has quite simple page numbering: 1, 2, 3 and so on. (We don't use any special numbering for the first pages, e.g.: the book title is on the page 1, technical information about the book is on ...
0
votes
0answers
35 views

Is it possible to export this document published with GitBook into a pdf file?

This document says it was published with GitBook (on the left corner after scroll down to the bottom of the page). Is it possible to export the document with multiple pages into a pdf file? Thanks.
0
votes
0answers
12 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 ...
1
vote
0answers
10 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, ...
0
votes
0answers
16 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 ...
1
vote
1answer
111 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
vote
2answers
68 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
votes
1answer
27 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 ...
0
votes
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?
1
vote
1answer
34 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 ...
2
votes
2answers
136 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 ...
1
vote
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 ...
1
vote
0answers
43 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. ...
3
votes
2answers
42 views

How to bundle 5 PDF ebooks into 1 file for download

How to bundle 5 PDF ebooks into 1 file for download I have 5 PDF eBooks that I sell I want to have these 5 PDF file into 1 file
2
votes
2answers
77 views

Scan epub and pdf to ascertain absence of malware

Is it possible to verify the absence of malware in epub and pdf files?. I'm using a MacBook Air, macOS Catalina, and iPad mini iOS 13. What program can I use?
0
votes
0answers
20 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. ...
2
votes
1answer
225 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. ...
0
votes
1answer
60 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
votes
1answer
139 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
votes
1answer
184 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, ...
1
vote
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 ...
1
vote
0answers
64 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?
2
votes
1answer
84 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 ...
4
votes
1answer
86 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?
2
votes
1answer
77 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
votes
0answers
829 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 ...
4
votes
1answer
149 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
2answers
67 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
183 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 ...
-2
votes
1answer
61 views

Is it legal to create an ebook from the book I bought and sell it? [closed]

This book is copyrighted 2011, can I make it to an ebook and sell it online?
6
votes
2answers
6k views

How to export (or share) a highlighted PDF from Kindle Reader?

I can email a PDF to my Kindle Fire Device. I can highlight and take notes in that PDF. I can export the notes and the highlighting. BUT I see no way to share/export the PDF with the highlights. ...
6
votes
1answer
6k 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 ...
1
vote
0answers
98 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
198 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 ...
6
votes
2answers
1k views

Kobo Aura One or the new 7 inch Kindle Oasis for PDF files?

I have an old 2009 Kindle 4 with its low resolution screen. I work in academia so I read books, articles and technical documents in PDF format on a daily basis. I once tried to use my old Kindle for ...
4
votes
1answer
405 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 ...
5
votes
1answer
655 views

Things to consider for choosing an e-ink pdf ereader for science books and papers

I have taken a look at A4 size e-ink ebook readers for pdf files. I have found five models: SONY DPT RP1 Good e-reader 13.3" Onyx Boox Max Carta Dasung Icarus A4 And there is Remarkable, but that ...
4
votes
2answers
515 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 ...
2
votes
0answers
75 views

How can I publish an ebook online?

How can I publish e-books online so that I can sell them to readers?
3
votes
2answers
3k 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. ...
0
votes
1answer
1k 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 ...