EncodeHD is FREE, portable and easy to use utility to convert videos on the go to Blackberry, iPhone, iPod Touch, PSP, Xbox, PS3 format. The program interface is very easy to understand and use.
It does not require any installation, so you simply need to unzip the zip archive and start using it. It is a to the point video converter which does not have those confusing options which some times makes your life miserable.
As Input type it supports a wide variety popular video formats, and you can also drag and drop videos to convert to Blackberry, iPhone, iPod Touch, PSP, Xbox, PS3, Apple TV format.
You will need to install .NET Framework 2.0
You can download full setup offline installers .net frameworks