ePub has become the open standard for ebook files on iPad, iPhone and many other devices. This file format has been accepted as standard by the International Digital Publishing Forum (IDPF). So in order to convert pdf and html files to epub format, we have listed some free online converters and softwares.

ePub format has been widely accepted as it’s designed for reflowable content so that the text could be optimized for particular display device.

Online PDF/HTML to ePub converters

Epub2Go

epub 2 go

ePub2Go is an online PDF to an EPUB file converter so that your ebook could be read on ipad/ iPhone. Simply upload your pdf file or give the link to the pdf file and this free online service will convert it to epub format.

Feedbooks

feedbooks

It’s an online publication service where you can upload and customize your ebooks and then convert it into epub format.

Freeware for converting pdf ebook into epub format.

Calibre

Cailbre is a freeware which allows you to convert file formats like pdf,rtf, txt to epub,lrf and pdb formats. Software is available for Windows, Mac OSX, and Linux.

Input formats: CBZ, CBR, CBC, CHM, EPUB, FB2, HTML, LIT, LRF, MOBI, ODT, PDF, PRC**, PDB, PML, RB, RTF, TCR, TXT

Output format: EPUB, FB2, OEB, LIT, LRF, MOBI, PDB, PML, RB, PDF, TCR, TXT

ePub Tools: Command-line tools suitable for batch processing and integration into tool chains. Includes tools for conversion from Word, RTF, DocBook, TEI, and FictionBook.

If you know any other good free epub converters, let us know in the comments.