About this tool

Drop in any audio file your browser can play – MP3, WAV, FLAC, OGG, AAC, M4A, AIFF, Opus, WebM and more – and convert one or many at once.

WAV: choose sample rate, bit depth (8, 16, 24 bit or 32 bit float), mono or stereo and optional peak normalisation. MP3: 32 to 320 kbps with the LAME encoder. WebM/Opus: compact files for the web (encoded in real time, so it takes as long as the audio).

Download each result or all of them at once.

Your files never leave your device: everything is decoded and encoded locally in the browser.

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