Convert MP3 to WAV Online
Need to convert MP3 to WAV right now? Drop your file and get results in seconds. Everything runs in your browser. Your audio never leaves your device.
Drop your MP3 file here or click to browse
MP3 (.mp3) · Max 20 MB
AudioUtils converts MP3 to WAV using WebAssembly. The entire process happens locally. No upload, no server, no waiting in a queue.
Open any browser. Pick your file. Click convert. The WAV file downloads instantly. Works on any device with a modern browser.
MP3 is lossy. Converting to WAV won't restore lost data, but gives you an uncompressed container for editing workflows. The converter handles files up to 20MB on the free tier. Need larger files? Pro removes all limits.
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.