We're really sorry about this, but it looks like your browser doesn't support an Audio API. Please try these demos in Chrome 15+ or Firefox 8+ or watch a screencast.

ALAC.js is a port of the recently open sourced original Apple Lossless decoder to JavaScript. As its name implies, ALAC is a lossless format designed to reduce file size without compromising quality. Can you tell the difference?

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Choose an ALAC file on your computer