about jsfxr Jsfxr is an online 8 bit sound maker and sfx generator. All you need to make retro sound effects with jsfxr is a web browser. It's a JavaScript port of the original sfxr by DrPetter. You can also use it as a JavaScript library for playing and rendering sfxr sound effects in your games. (Port of sfxr by DrPetter) ¢ 2011 Eric Fredricksen With contributions from Chris McCormick (Source co