EPub eBook has many benefits like

EPUB is compatible with most of popular eBook readers such as iPad, iPod touch, iPhone or Sony Reader.
EPUB files require smaller storage space than other eBook formats.
EPUB allows you to create bookmarks.

EPUB provides Built-in dictionary functions, etc.

However, you will find most of eBooks of website are PDF format. That is because PDF is easy to view, store, share, print and can set password to protect the content and author’s copy right. It is even designed to avoid viruses and other malware programs, so PDF files are safer than other formats.

So when you want to read PDF files on eBook readers like iPad, iPad 2, iPod Touch, White iPhone 4, etc, you need to find a way to convert PDF to ePub as below.

Q1: How do i convert epub to pdf without a Program leaving a watermark?

i have been looking for a program that will convert epub documents to pdf. calibre is very convenient if you have an eBook, but i read from my Laptop which utilizes pdf and makes it a breeze to read anything. 5 points to the the fastest and easiest solution.

Q2: How can I convert PDF to epub?

I have a CD of PFD files, is there a way I can convert them to ePub files?

So a friend of mine recommended me a PDF to ePub Converter which he tried very great. I download the free trial and found it's very easy to use, and can convert PDF files to iPad ePub for reading PDF files on iPad, iPad 2, iPod, iPod Touch, iPhone 4, White iPhone 4, etc. Then I bought it without any hesitating. If you have the same problem with me, maybe you can try it. Learn the details about how to convert PDF to ePub! Hope to help you. Maybe you also want to convert PDF to Word, or convert PDF to PowerPoint.