CSS Sprite Maker
CSS Sprite Maker is a freeware Windows application that combines different images into a single image for use in modern web design and generates relevant CSS.

Using CSS Sprite Maker is very simple. Just select the different icon images you want to join, tweak the options as per your need and hit the Generate button. It will make a single transparent PNG from the icons and generate necessary CSS and HTML for you to use in your web design.

CSS Sprite Maker is a portable freeware. Just download the zip file, extract and start using.

CSS Sprite Maker requires .Net Framework 4.0 or later. If you dont have it already then download latest version of .Net first.