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WAV is an audio format developed by Microsoft and IBM for storing uncompressed audio data. It’s widely used for high-quality audio recording and editing. WAV files offer excellent sound fidelity and are compatible with nearly all audio software and hardware.
AU is a simple audio format developed by Sun Microsystems, mainly for use on Unix systems. It supports both uncompressed and compressed audio data. Though outdated, AU files may still be found in older applications and systems.
Convert your .wav files to .au right in your browser — no downloads, no installs. Everything happens securely in the cloud.
We never store your files permanently. Only you can access them, and they’re automatically deleted from our servers within 2 hours.
Turn your WAV files into AU in just a couple of clicks. No registration, no limits — and it’s 100% free.