MP3 to WAV Converter
Convert MP3 to WAV for lossless, uncompressed audio. Free, private, up to 100 MB per file.
- No signup
- Private
- Fast
Super Fast
Convert in seconds on desktop and mobile.
100% Private
Files never leave your device.
Secure
Browser-side processing only.
Uncompressed WAV
16-bit PCM output suitable for editing.
Why use this tool?
WAV is ideal for editing in DAWs, archiving master recordings, or workflows that require uncompressed PCM audio.
How to convert MP3 to WAV
Step 1: Upload your MP3 file
Choose an MP3 audio file from your device or drag it into the upload area. Files up to 100 MB are supported.
Step 2: Convert in your browser
We convert the audio to WAV locally using FFmpeg in your browser — nothing is uploaded to our servers.
Step 3: Download your WAV
Preview the result and download the converted file with one click.
Supported formats
- Input: MP3 (.mp3) up to 100 MB
- Output: WAV
Frequently asked questions
Is this MP3 to WAV converter free?
Yes. Convert MP3 to WAV online for free — no account, no watermark, and no limits on how many files you convert.
Are my files uploaded to your servers?
No. Conversion runs entirely in your browser with FFmpeg WebAssembly. Your files never leave your device.
What is the maximum file size?
You can convert MP3 files up to 100 MB per file. Very large files may be slow or fail on low-memory devices.
Why does the first conversion take longer?
The first run downloads the FFmpeg engine into your browser (one time per session). Later conversions on the same page are faster.