I'm looking for a free converter from Pdf to Mobi, for reading on a Nokia E71; I find more confortable to read on this format, but i'm open to other solutions.
What are the alternatives that I have?
You can use Auto Kindle to convert a PDF to a Mobi file.
I've tried Calibre too; it works, but the GUI too bulky for my simple needs (Calibre provides for library/ebook reader management, allowing you to see your whole library and control which books are synced to which device, including seamlessly converting books to the preferred format for any device along the way).
Fortunately Calibre is written in Python, and is nicely segmented; one tiny part of Calibre, ebook-convert (a command-line interface to the routines that actually handle the conversion) does everything I need.
On OS X, this is located under /Applications/calibre.app/Contents/Resources/loaders (assuming you installed calibre into the default /Applications folder).
To convert a pdf to a mobibook, run:
On Ubuntu Karmic Koala, installation can be done with
The conversion is reasonably good, considering that you're going from a fixed layout format that has no concept of lines of text, let alone paragraphs, to a reflowing format; I've found that it makes reasonable guesses about chapter boundaries (and prepares a simple TOC accordingly), but other things (eg, hyperlinks in the existing TOC in the PDF) can get horribly mangled.. However, ebook-convert is very configureable - [the website] has a laundry list of flags you can use to improve chapter detection, what to do with detected chapters, stripping or adding page headers, etc
I would suggest Calibre. It will convert from most ebook formats to most others.
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