M4A to WAV converter
Free M4A to WAV converter that runs in your browser. Convert M4A audio to WAV instantly — no upload, no sign-up, 100% private.
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Convert M4A audio to WAV right in your browser — no upload, no sign-up, completely free. Drop a file (or a batch) and download the WAV version in seconds. Your audio is processed on your own device and never sent to a server.
M4A (AAC in an MP4 container) is the format Apple uses for iTunes and Apple Music. It sounds better than MP3 at the same bitrate and is widely supported on modern devices. WAV is an uncompressed, lossless format that stores raw audio at full quality. Files are large, but the audio is pristine, which is why it is the standard for editing and mastering. Note that converting a compressed M4A file to lossless WAV can’t restore detail the original M4A compression already discarded — it gives you an uncompressed copy, handy for editing.
How to convert M4A to WAV
- Add your M4A files. Drag your M4A audio onto the drop zone or click to browse. You can add several at once.
- Convert. Each track is re-encoded to WAV on your device using your browser’s native audio engine.
- Download your WAV files. Save each file, or grab them all together as a ZIP.
Features
- Private by default. Audio is converted in your browser and never uploaded to any server.
- Batch conversion. Convert many M4A files to WAV at once and download them as a ZIP.
- Lossless output. WAV keeps the audio lossless.
- Free and unlimited. No watermark, no sign-up, no per-file limits.
When to use it
- Convert M4A to WAV for a device or app that doesn’t play M4A.
- Make M4A files smaller and easier to share by converting to WAV.
- Prepare audio for editing, sampling and lossless archiving.
- Batch-convert a folder of M4A files to WAV in one go.
Frequently asked questions
Is this M4A to WAV converter free?
Yes. It’s completely free with no sign-up, no watermark and no limit on how many files you convert.
Are my files uploaded to a server?
No. Conversion runs entirely in your browser, so your M4A audio never leaves your device.
Will the audio quality change?
Note that converting a compressed M4A file to lossless WAV can’t restore detail the original M4A compression already discarded — it gives you an uncompressed copy, handy for editing.
What’s the difference between M4A and WAV?
M4A (AAC in an MP4 container) is the format Apple uses for iTunes and Apple Music. It sounds better than MP3 at the same bitrate and is widely supported on modern devices. WAV is an uncompressed, lossless format that stores raw audio at full quality. Files are large, but the audio is pristine, which is why it is the standard for editing and mastering.
Can I convert several M4A files at once?
Yes. Drop multiple files to convert them as a batch, then download everything as a single ZIP.