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Convert.mp3

Convert MP3 to WAV online

100% localFiles never leave your device — no upload, no account, no tracking.
About MP3 to WAV

Convert MP3 files into WAV, the uncompressed format that audio editors and DAWs expect for clean processing. We decode the MP3 and write PCM WAV locally with ffmpeg.wasm, ready to cut, mix, or master.

The conversion runs entirely in your browser. Your MP3 stays on your device, so recordings and unreleased tracks never leave it.

How it works
  1. 01

    Add an MP3

    Drop your MP3 file onto the page or pick it from your device.

  2. 02

    Convert

    Click Convert to decode the MP3 and write a WAV locally with ffmpeg.wasm.

  3. 03

    Download

    Save the WAV file.

Features
uncompressed outputedit-readywide compatibility
Frequently asked
How does the MP3 to WAV converter work?
Convert MP3 files into WAV, the uncompressed format that audio editors and DAWs expect for clean processing. We decode the MP3 and write PCM WAV locally with ffmpeg.wasm, ready to cut, mix, or master.
Are my files uploaded to a server?
No. Everything runs entirely in your browser using local JavaScript and WebAssembly. Your files never leave your device.
Does it cost anything or require an account?
No. The converter is free, needs no sign-up, and runs locally in your browser.
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