Need an uncompressed WAV file for audio editing software, or a format required by specific hardware or software? This converts MP3 to WAV locally in your browser.
Powered by FFmpeg.wasm — a real audio engine compiled to WebAssembly. Your audio file is never uploaded.
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Yes — WAV is uncompressed, so it will typically be 5-10x larger than the original MP3.
No. The conversion runs entirely inside your browser. Your audio file is never sent over the network — see our How It Works page for the technical details.
No — MP3 is already a lossy format, so converting to WAV preserves the current quality but can't add back detail that was lost during the original MP3 compression.
Yes, the embedded converter also supports AAC, OGG, and FLAC output — just choose a different format from the dropdown.