CSS Sprite Generator is described as 'A tool for generating image sprites and CSS for your web site. Using this tool can help you dramatically reduce the number of HTTP requests made for higher performance' and is an website in the Development category. There are five alternatives to CSS Sprite Generator, not only websites but also apps for Windows. The best alternative is Sprite Cow, which is free. Other great sites and apps similar to CSS Sprite Generator are SpritePad (Free), SpriteSheep (Freemium), Spritesheet (Free) and CSS Sprite Generator (Beta) (Free).
Optimized for speed: No download, no setup, no long-winded uploads. SpritePad works hassle-free directly in your browser, just drag & drop your images and you can immediately work with them to create your unique CSS sprites.
SpriteSheep lets you easily and visually generate CSS sprite sheets and CSS code with all sprites positions offline. CSS sprites technique helps to reduce HTTP requests and it's much easier to use CSS class instead of proving URL for each image.