PDF files are extremely useful and ubiquitous. There are ways to view them on any device and any platform. Sometimes you need to convert a PDF file to another format or you want to convert another file to a PDF file.
There are a lot of resources out there to do this. CleverPDF is one of them. CleverPDF offers 27 Powerful and Free Online PDF Tools including conversions and modifying PDF files. It is available in 20 different languages and there is a support and help page.
Here are some More Resources for working with PDF Files (lots here, plus more listed below)
Free online PDF converter - EasyPDF - secure and free
PDF Converter - free online PDF conversion
Lots of PDF resources - print, markup, convert and more
PDFBinder - simple tool to merge PDF documents into one
Crocodoc - markup PDF files for free
Fill Any PDF form - fill out, sign and send forms