How to Convert MP3 to WAV
- Click the drop zone above or drag and drop your MP3 file(s) into it.
- Make sure WAV is selected as the output format.
- Choose your preferred sample rate (44.1 kHz recommended for most uses).
- Click "Convert All" and wait for the conversion to complete.
- Download your converted WAV file(s) individually.
What is MP3?
MPEG Audio Layer III (MP3) — A widely-used lossy audio format that offers good compression while maintaining reasonable audio quality. Ideal for music streaming and portable devices.
- Format type: Lossy
- File extension: .mp3
What is WAV?
Waveform Audio File Format (WAV) — An uncompressed audio format that preserves the original audio quality without any data loss. Commonly used in professional audio production.
- Format type: Lossless (uncompressed)
- File extension: .wav
Why Convert MP3 to WAV?
While converting from a lossy format (MP3) to a lossless format (WAV) won't recover lost audio data, it provides a widely-compatible container for further editing or archiving. The WAV file will preserve the audio exactly as decoded from your MP3 source.
MP3 vs WAV — Key Differences
| Feature | MP3 | WAV |
|---|---|---|
| Full name | MPEG Audio Layer III | Waveform Audio File Format |
| Compression | Lossy | Lossless (uncompressed) |
| File extension | .mp3 | .wav |
Frequently Asked Questions
Is this converter free?
Yes, completely free. There are no limits on the number of conversions, no file size restrictions, and no account required.
Is my audio data safe?
Absolutely. Your files never leave your device. All conversion happens locally in your browser using the Web Audio API — no data is uploaded to any server.
What browsers are supported?
This converter works in all modern browsers including Chrome, Firefox, Safari, and Edge. Some output formats (OGG, WebM, AAC) depend on your browser's MediaRecorder support.
Can I convert multiple files at once?
Yes. You can drop or select multiple MP3 files and they will all be converted to WAV in sequence.