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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7
votes
2answers
1k views

How to convert scanned pdf to text?

I recently downloaded a programming book. All pages are in image format. If I want to run a code, I'm unable to copy it from that ebook. How to convert these kind of pdfs to normal pdf. I google but I ...
13
votes
2answers
5k views

Conversion of djvu file into pdf file without increasing file size

Why does converting a djvu file to pdf increase the size of the file? How can we convert a djvu to a pdf without increasing the size?
2
votes
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 ...
8
votes
4answers
589 views

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

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 ...
19
votes
1answer
1k views

Using eReader to display maps

Is there a way to get map data (for example from OpenStreetMaps) on my eReader to access it in a user friendly way? I've already thought about two ways to display maps on my reader: Generate one big ...
9
votes
4answers
6k views

I have a printed version of a book does it allow me to possess an electronic copy?

I have a printed version (i.e. a hardback or paperback) of a book and I wonder whether this allows me to possess an electronic version of it (e.g. .pdf file). Edit: Isn't it allowed by the clause 107....
4
votes
1answer
887 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 ...
6
votes
2answers
277 views

Dedicated ebook reader?

I'm looking for a device that allows me to read ebooks, but I don't want it to do much, if anything, else. So something that has a dedicated ebook reading design and functionality (so for example not ...
6
votes
1answer
280 views

Will I be able to read PDFs in Cyrillic on Kindle (classic)?

I have many PDF's in Russian, with embedded fonts. Will I be able to read them on my Kindle (classic) device?
10
votes
3answers
3k views

High resolution small-size pdf

PDFs on archive.org are in high resolution yet has relatively small size. For example, this book. The book's resolution is 500 ppi and 46 Mb size. What I did was I extract the pages using Adobe ...
8
votes
1answer
568 views

PRS-T2 very slow with some PDFs

I have a PRS-T2 and use it a lot. Sometimes I convert documents to PDF in LibreOffice, then upload them to the ereader (using Calibre on a Mac). It works, but quite often turning a page can take ...
7
votes
1answer
116 views

ePubs, PDFs and security

I get eBooks and literature from a variety of places. Mostly legal places, like Amazon - but sometimes from other random places. PDFs are more popular and come with advanced capabilities, like ...
7
votes
1answer
710 views

Kindle (classic) power consumption when reading PDF vs. MOBI

I'm reading mostly PDFs on my Kindle Classic (e-ink) device. Most of my e-books are PDFs, and after converting them, I've find out it's easier for me to read original PDF than converted version. ...
6
votes
1answer
642 views

Converting an sbrz file on a Mac?

Does anyone know how I can convert/open an sbrz file on my Mac? Hoping to turn it into a PDF.
7
votes
2answers
869 views

How can I change color of my e-book?

How can I change the font or background color of my PDF e-book. I use Adobe reader v10 and it has no default option to change this. Is there a way to edit the e-book to change the font or background ...
4
votes
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 ...
7
votes
1answer
3k views

Can I view books scanned to PDF on Kindle Classic?

I have many books scanned to PDF (the content are the graphic images, no OCR processing). Will Kindle Classic be able to view such PDFs? Aren't they too heavy? Acrobat Reader on my old smartphone ...
6
votes
1answer
214 views

Does Kindle (classic) support all embedded fonts in PDFs?

I have PDFs using many embedded fonts from many alphabets. Should I expect them to be viewed without any problems on Kindle, or only a part of them will be supported (for the most popular alphabets)?
10
votes
1answer
170 views

What page size maximizes readability across common ebook readers?

Suppose that I have to create a PDF ebook (meaning no automatic word reflow, etc). What page size (width by height) maximizes readability across common e-readers and mobile devices? Context: I ...

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