MP3 to WAV on Mac
Convert MP3 to WAV on your Mac. No app to download. Open your browser, drop your file, and convert. Done in seconds.
Drop your MP3 file here or click to browse
MP3 (.mp3) · Max 20 MB
Works in Safari, Chrome, and Firefox on macOS. No Homebrew packages or DMG installs needed. AudioUtils uses WebAssembly to run the conversion engine locally. Your audio stays on your device.
Safari on macOS supports WebAssembly natively. Conversion speeds match desktop apps.
MP3 is lossy. Converting to WAV won't restore lost data, but gives you an uncompressed container for editing workflows. The output is identical regardless of which device or browser you use.
Frequently Asked Questions
Does converting MP3 to WAV improve quality?
No. MP3 is lossy — once compressed, the discarded data can't be recovered. Converting to WAV gives you an uncompressed container, but the audio quality stays the same as the source MP3. It's useful for compatibility with audio editors that require WAV.
How long does MP3 to WAV conversion take?
Seconds. The conversion runs entirely in your browser using WebAssembly. No upload, no server processing, no waiting.
Will the WAV file be larger than the MP3?
Yes, significantly. A 5MB MP3 file typically becomes a 50MB WAV file. WAV is uncompressed, so file sizes are roughly 10x larger.
Is this converter free?
Yes. Free users get 5 conversions per day with a 20MB file size limit. Need more? Upgrade to Pro for unlimited conversions.
About MP3
The most widely used audio format. Great compatibility, small file size. Ideal for music, podcasts, and general use.
About WAV
Uncompressed audio format. Perfect quality with no data loss. Standard for music production and professional audio work.