How to Compress WAV Files Without Ruining Audio Quality

WAV files are uncompressed audio. A 3-minute song can be 30MB or more. That is fine for editing, but terrible for sharing, uploading, or storing hundreds of tracks. You can shrink WAV files by 80-90% by converting to a compressed format like MP3.

The Fastest Way to Compress WAV

Use our free audio compressor. Drop your WAV file in, pick a bitrate (128kbps for small files, 192kbps for balanced quality), and download. Everything runs in your browser, so your files never leave your device.

What Bitrate Should You Pick?

64kbps makes the smallest files but sounds noticeably worse. Voice recordings and podcasts still sound fine at this setting. 128kbps is the standard for music. Most people cannot tell the difference from the original WAV in a casual listen. 192kbps is the safe choice when quality matters. Use it for music you plan to share or publish.

WAV Compression vs. Converting to MP3

When people say "compress WAV," they usually mean converting to MP3 or another lossy format. True WAV compression (like FLAC) keeps every bit of audio data intact but only cuts file size by about 50%. Converting to MP3 cuts 80-90% because it removes frequencies most humans cannot hear. For a full breakdown of the tradeoffs, see our MP3 vs WAV comparison. For most uses, MP3 is the right call. If you need the conversion specifically, try our WAV to MP3 converter.

When to Keep WAV Uncompressed

Keep the original WAV if you are editing audio in a DAW (Audacity, Logic, Ableton). Every time you compress and decompress lossy audio, quality degrades slightly. Edit in WAV, export to MP3 as the final step. Also keep WAV originals if you are archiving recordings you might need to re-edit later.

Not sure which bitrate to pick? Our guide on audio bitrate explained breaks down the numbers. For a lossless alternative to WAV, read WAV vs FLAC.

Ready to shrink your WAV files? Compress audio free in your browser