Mapping CSS Sprite Image Coordinates Online

CSS Sprite is the best way to merge multiple images into a single image and use it on the web page. Following this way, would significantly reduce the loading time of the web page. But CSS positioning is quite complicated for CSS beginners and most of the time they mess up with it.

Here is a good site for this job: http://pixy.heroku.com/

If you know any other good site, please leave a comment.

Useful links:

http://www.spritebox.net/
CSS Sprites: What They Are, Why They’re Cool, and How To Use Them