howler.js – Javascript Audio Library for Modern Web

howler.js is an audio library for the modern web. It defaults to Web Audio API and falls back to HTML5 Audio.


  • Defaults to Web Audio API
  • Falls back to HTML5 Audio
  • Supports multiple file formats to support all browsers
  • Automatic caching for Web Audio API
  • Implements cache pool for HTML5 Audio
  • Per-sound and global mute/unmute and volume control
  • Playback of multiple sounds at the same time
  • Easy sound sprite definition and playback
  • Fade in/out sounds
  • Methods can be chained
  • Uses no outside libraries, just pure Javascript
  • Lightweight