Convert MP3 to WAV Free
Convert MP3 to WAV without paying a cent. No trial period. No account required. Just open the page and convert.
Drop your MP3 file here or click to browse
MP3 (.mp3) · Max 20 MB
Most free converters add watermarks or throttle quality. AudioUtils does neither. You get the same output quality whether free or paid.
Free users get 5 conversions per day. That covers most casual needs. The conversion engine is identical to Pro. Same speed, same quality, same privacy.
Your files stay on your machine. Nothing is uploaded. MP3 is lossy. Converting to WAV won't restore lost data, but gives you an uncompressed container for editing workflows.
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.