Private by design
Audio is decoded and encoded locally with the Web Audio API. Nothing is uploaded, so confidential recordings stay on your device.
Convert MP3 to WAV
Drag & drop MP3 files here
or click to browse — batch uploads supported
No files yet
Your queue is empty. Add MP3 files to begin.
How to convert MP3 to WAV online with EasyMP3toWAV
- Drop one or more MP3 files into the upload zone.
- Pick a sample rate and bit depth, and preview the waveform.
- Press Convert All (or convert a single file).
- Download each WAV, or grab everything as one ZIP.
Why use EasyMP3toWAV as your MP3 to WAV converter?
EasyMP3toWAV is a free online MP3 to WAV converter that runs entirely in your browser: no uploads, no sign-up, batch support and ZIP download.
Fast batch processing
No upload or download wait. Convert many files in a row and save them together as a ZIP.
Editor-ready WAV
Uncompressed PCM WAV works in DAWs, video editors, game engines and hardware samplers.
EasyMP3toWAV frequently asked questions
What is EasyMP3toWAV?
EasyMP3toWAV is a free online MP3 to WAV audio converter that runs 100% in your browser. It supports batch conversion, 44.1 kHz and 48 kHz sample rates, 16-bit and 24-bit PCM, waveform preview and ZIP download, and never uploads your files.
Is converting MP3 to WAV free?
Yes. It is 100% free, with no sign-up, watermark or file limit beyond your device's memory.
Are my audio files uploaded to a server?
No. All processing happens in your browser. Your files never leave your device.
Why convert MP3 to WAV?
WAV is uncompressed PCM audio accepted by almost every editor, DAW, game engine and device, and it avoids further lossy re-compression while editing.
Does converting MP3 to WAV improve audio quality?
No. MP3 is lossy, so removed detail cannot be restored. WAV stores the decoded audio without any additional loss.
Can I convert multiple MP3 files at once?
Yes. Drop as many files as you like, press Convert All, then download individually or as a ZIP.