mp3towav — Free MP3 to WAV Converter

Drop your MP3 here

or

MP3 files up to 100 MB

Your files never leave your device · Powered by Sonic Converter · No signup or limits

100% Private Files never leave your device
Instant Conversion Powered by WebAssembly
Free Forever No signup or limits

How mp3towav Works

Converting MP3 to WAV with mp3towav takes seconds. Unlike other converters that upload your files to remote servers, mp3towav runs entirely in your browser using a WebAssembly audio engine called Sonic Converter. Your audio never touches the internet.

1

Drop Your MP3 into mp3towav

Drag and drop your MP3 file onto the converter area, or click to browse and select a file from your device. mp3towav supports files up to 100 MB.

2

Browser-Based Conversion

mp3towav decodes your MP3 and re-encodes it as lossless PCM WAV — all within your browser. No server upload, no waiting in a queue, no privacy risk.

3

Download Your WAV

Your converted WAV file is ready in seconds. Download it directly to your device. The output uses PCM 16-bit format compatible with every major DAW and audio editor.

Why Choose mp3towav

Most online MP3 to WAV converters upload your files to their servers, process them remotely, and send the result back. mp3towav is fundamentally different — and better.

True Privacy

Your audio files are processed entirely in your browser. Nothing is uploaded, stored, or accessible to anyone else. mp3towav is the only converter that guarantees complete file privacy.

Lossless WAV Output

mp3towav produces standard PCM signed 16-bit WAV files — the format used by professional studios, DAWs, and mastering engineers worldwide.

No File Size Surprises

Convert MP3 files up to 100 MB. mp3towav handles long recordings, podcasts, and full-length songs without arbitrary restrictions or forced account creation.

Works on Any Device

mp3towav runs on Chrome, Firefox, Safari, and Edge across desktop, laptop, tablet, and mobile. No software to install, no plugins to update.

Built for Producers

Designed for music producers, audio engineers, and podcasters who need WAV files for FL Studio, Ableton Live, Pro Tools, Logic Pro, and other professional tools.

Lightning Fast

Powered by Sonic Converter, a WebAssembly audio engine. A typical 5-minute MP3 converts to WAV in under 3 seconds on modern hardware.

mp3towav for Music Production

Whether you produce beats in FL Studio, mix tracks in Ableton Live, or master audio in Pro Tools, mp3towav gives you the WAV files you need. Most DAWs perform best with uncompressed audio — importing MP3 files can introduce latency, artifacts, and compatibility issues. Use mp3towav to convert your MP3 samples, stems, and references to lossless WAV before importing them into your session. The PCM 16-bit output from mp3towav is universally compatible with FL Studio, Ableton Live, Pro Tools, Logic Pro, Reaper, Cubase, Audacity, and every other professional audio application.

mp3towav FAQ

Is mp3towav really free?

Yes, mp3towav is 100% free with no hidden costs, no premium tiers, and no daily limits. Convert as many MP3 files to WAV as you need without paying anything or creating an account.

Are my files private when using mp3towav?

Your files never leave your device. Unlike most online converters that upload your audio to remote servers, mp3towav processes everything locally in your browser using WebAssembly. No file is ever uploaded, stored, or accessed by anyone. Learn more about why privacy matters in audio conversion.

What is the difference between MP3 and WAV?

MP3 is a lossy compressed format that permanently discards audio data to reduce file size. WAV is uncompressed and preserves the complete audio signal. WAV files are larger but maintain full fidelity, making them the standard for professional audio production. Read our full comparison of WAV vs MP3 for music production.

Does mp3towav work on mobile?

Yes. mp3towav works on any modern browser including Chrome, Firefox, Safari, and Edge on both desktop and mobile devices. Performance depends on your device, but most smartphones handle conversion smoothly.

Can I use converted WAV files in FL Studio, Ableton, or Pro Tools?

Absolutely. mp3towav outputs PCM signed 16-bit WAV files, which are compatible with every major DAW including FL Studio, Ableton Live, Pro Tools, Logic Pro, Reaper, and Cubase. Check our guide on preparing audio files for your DAW.