Free tool

MP3 to WAV converter uncompressed audio for editing and burning.

Drop MP3 files and download them as WAV, uncompressed and ready for any editor. Several at once.

Drop audio files here or click to choose. MP3, WAV, M4A, AAC, OGG, FLAC, AIFF, or the sound of a video. Several at once is fine.

Convert to Bitrate MP3, M4A and OGG Channels

MP3 to WAV converter at a glance

content.win decodes MP3 to WAV, a folder of tracks at once, with no queue and no daily cap.

Drop the MP3 files in. Several at once is fine.
Check the settings. Stereo or mono; the sample rate stays as recorded.
Download the WAV files. Each has its own player and Download button; one button takes them all.

Editing: Audacity, Pro Tools, Logic and video editors work best with WAV: no decoding on every play, no generation loss on export.
CD burning: Burning software wants WAV or AIFF. The converter keeps the sample rate as recorded.
Samples and loops: Samplers, drum machines and game engines load WAV, not MP3.
Sound systems and kiosks: Players in shops, installations and older hardware often accept only WAV.

WAV holds exactly what the MP3 had. Converting cannot bring back what was lost when the MP3 was made, but nothing further is lost.
The file gets about ten times larger: an MP3 at 192 kbps becomes roughly 10 MB a minute in stereo, 5 MB in mono.

Does MP3 to WAV improve quality?

No. WAV holds exactly what the MP3 had, nothing more, nothing less. Its point is that editors and burners work with it directly.

How big is the WAV?

About 10 MB a minute in stereo at 44.1 kHz, 5 MB in mono.

What bit depth and sample rate?

16-bit, at the MP3's own sample rate, which is 44.1 kHz for almost all music and 48 kHz for most video sound.

Can I convert several files at once?

Yes. Drop them all; each comes back named after the original, and one button downloads the lot.