Convert MP3 to WAV
Get uncompressed WAV audio from your MP3 files — converted privately in your browser.
Converted in your browser
Your file never leaves this device
How to Convert MP3 to WAV
- 1
Select your MP3 file
Drag and drop your .mp3 file or click to browse. Files up to 100MB are supported.
- 2
Convert in your browser
Conversion runs locally using FFmpeg WebAssembly. Your audio file is never uploaded anywhere.
- 3
Download your WAV
Save the converted WAV file to your device. Ready for editing, production, or any application that needs uncompressed audio.
Why Convert MP3 to WAV?
MP3 is a compressed audio format — it reduces file size by permanently removing audio data that's less perceptible to human hearing. This is fine for casual listening, but problematic when you need to edit, process, or use audio in professional workflows.
WAV (Waveform Audio File Format) stores uncompressed audio data. Audio editors like Audacity, Logic Pro, Ableton Live, and Pro Tools work best with WAV files because there's no compression artifacts to amplify during processing. If you're adding effects, normalizing levels, mixing tracks, or doing any post-production work, starting with WAV gives you a cleaner result.
Common use cases: importing audio into a DAW for editing, using sound effects in game development or video production, burning CDs (which require uncompressed PCM audio), uploading to platforms that prefer or require WAV, and archiving audio in an uncompressed format.
MP3 vs WAV: Key Differences
Understanding the trade-offs helps you choose the right format:
| Attribute | MP3 | WAV |
|---|---|---|
| Compression | Lossy — permanently removes audio data | None — raw uncompressed PCM audio |
| File Size | ~1MB per minute (at 128kbps) | ~10MB per minute (44.1kHz/16-bit stereo) |
| Audio Quality | Good for listening, artifacts at low bitrates | Exact representation of the audio signal |
| Editing Suitability | Poor — re-encoding degrades quality | Excellent — no generation loss |
| Compatibility | Universal playback support | Universal, especially in professional audio |
MP3 is ideal for distribution and listening. WAV is the standard for editing and production. Note: converting MP3 to WAV won't restore audio data lost during MP3 compression — but it gives you a format that editors handle cleanly without further degradation.
Private Audio Conversion
Your audio file is converted entirely within your web browser using an FFmpeg WebAssembly build. The file never leaves your device — no upload, no server processing, no temporary storage. This is especially important for audio files, which may contain voice recordings, music demos, podcasts, or other sensitive content.
Frequently Asked Questions
No. MP3 compression permanently removes audio data. Converting to WAV gives you an uncompressed container, but it can't restore what was already lost. The benefit is that WAV prevents any further quality loss during editing — important if you're processing the audio in a DAW or editor.