How to convert
- Open the Audio Converter (MP3 / WAV).
- Drop one or more MP3 files. Batch conversion is supported.
- Set the output format to WAV.
- Sample rate: 44,100 Hz (CD quality) is fine for most uses. Choose 48,000 Hz if your DAW or video project uses that rate.
- Click Convert. Processing runs in your browser.
- Download the WAV files.
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MP3 vs WAV
| MP3 | WAV | |
|---|---|---|
| Compression | Lossy (some audio removed) | Uncompressed (original quality) |
| Size per minute | ~1 MB (128 kbps) | ~10 MB (44.1 kHz 16-bit) |
| Best for | Listening, sharing | Editing, mixing, mastering |
| Compatibility | Almost all devices | All professional software |
For a deeper format comparison, see the Audio Formats Guide (M4A, WAV, MP3).
When to convert MP3 to WAV
- DAW projects: GarageBand, Logic, Reaper and others handle WAV more reliably.
- Video editing: Premiere Pro and DaVinci Resolve sometimes prefer WAV.
- Delivery: Studios and broadcasters often require WAV submissions.
- Further editing: Converting to WAV first prevents double-compression quality loss when you edit and re-export.
Good to know
- Converting MP3 to WAV does not restore lost quality. If you have the original WAV, use that instead.
- WAV files are large. Check your storage space.
- All processing runs in your browser. No files are sent to a server.
FAQ
Does converting MP3 to WAV improve audio quality?
No. MP3 is already lossy-compressed, so the lost data cannot be restored. Converting to WAV gives you compatibility with software that requires uncompressed audio.
Why are WAV files so much larger?
WAV is uncompressed. A 1-minute stereo 44.1 kHz 16-bit WAV is about 10 MB — roughly 10 times the size of a 128 kbps MP3.
Can I convert WAV back to MP3?
Yes. In the same Audio Converter, set the output format to MP3.