MP3 to WAV Converter — Free Online Tool
Convert MP3 files to lossless WAV audio, privately in your browser.
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Click to select an MP3 file
Output: WAV (16-bit PCM)
About MP3 to WAV Converter
The MP3 to WAV Converter turns compressed MP3 files into uncompressed, lossless WAV audio directly in your browser. WAV is the format most audio editors and DAWs prefer, so this is the quick first step before editing, mastering, or importing into software that needs raw PCM.
Everything is processed locally with the Web Audio API — your MP3 is never uploaded to a server, keeping your audio completely private.
How to Use MP3 to WAV Converter
- Click the upload area and select your MP3 file.
- Preview it if you like, then click Convert to WAV.
- Wait a moment while the audio is decoded and re-encoded.
- Click Download to save your WAV file.
Key Features
Converts MP3 to lossless 16-bit PCM WAV
Preserves the original sample rate and channels
Audio preview before and after conversion
100% client-side — files never leave your device
Free, no watermarks, and no signup
Frequently Asked Questions
How do I convert MP3 to WAV?
Upload your MP3 file, click Convert, and download the resulting WAV. The whole process runs in your browser — your file is never uploaded.
Is the WAV output lossless?
The WAV is exported as uncompressed 16-bit PCM at the source sample rate. Note that converting a compressed MP3 to WAV cannot restore detail the MP3 already discarded, but it gives you an editable, uncompressed file.
Why convert MP3 to WAV?
WAV is uncompressed and widely supported by audio editors, DAWs, and equipment that need raw PCM audio, so MP3 to WAV is handy before editing or mastering.
Are my files private?
Yes. Conversion happens locally with the Web Audio API, so your audio never leaves your device.