MP3 to WAV Converter
Convert MP3 to uncompressed WAV for free — ideal for editing and audio software. Runs entirely in your browser; your file never leaves your device.
How it works
Choose your MP3
Pick the .mp3 file. It's processed locally in your browser.
Convert to WAV
We decode it to an uncompressed WAV — no upload.
Download
Save a WAV ready for editing or mastering.
Frequently asked questions
Is the MP3 to WAV converter free?
Yes — free, with no signup and no watermark.
Why convert MP3 to WAV?
Some editing tools, DAWs, and hardware require uncompressed WAV. Converting gives you a standard PCM WAV those tools accept.
Will converting MP3 to WAV improve quality?
No — it can't add back detail lost in MP3 compression. It gives you an uncompressed file in WAV form, which is what editing software needs, at the same effective quality as the MP3.
Does my file get uploaded?
No. Conversion runs in your browser; the MP3 never leaves your device.
Why is the WAV file so much bigger?
WAV is uncompressed, so it's typically about 10× larger than the MP3 — that's expected for lossless audio.