AudioUtils

Convert M4A to WAV Online

Need to convert M4A to WAV right now? Drop your file and get results in seconds. Everything runs in your browser. Your audio never leaves your device.

M4AWAV

Drop your M4A file here or click to browse

M4A (.m4a) · Max 20 MB

AudioUtils converts M4A to WAV using WebAssembly. The entire process happens locally. No upload, no server, no waiting in a queue.

Open any browser. Pick your file. Click convert. The WAV file downloads instantly. Works on any device with a modern browser.

M4A is lossy. Converting to WAV won't restore lost data, but gives you an uncompressed container for editing workflows. Free tier handles input files up to 20MB file size limit with a 10-second preview output. Upgrade to Pro for unlimited, full-length conversions up to 500MB file size limit.

Frequently Asked Questions

Why convert M4A to WAV?

Professional audio editors and some hardware often prefer or require WAV format. Converting gives you maximum compatibility with production tools.

Is any quality lost?

M4A uses AAC compression, so the audio was already compressed. Converting to WAV preserves that quality level in an uncompressed container — no additional loss occurs.

Can I edit the WAV file in Audacity?

Yes. Audacity fully supports WAV files. Converting M4A to WAV is a common step before editing in Audacity.

What about M4A files with video?

M4A is audio-only. If your file is M4V or MP4 with video, this tool extracts only the audio track and converts it to WAV.

Does converting M4A to WAV improve quality?

No. M4A uses AAC compression — once encoded, the discarded data is gone. WAV gives you an uncompressed container holding the same audio quality as the M4A. You won't hear a difference, but the WAV will import cleanly into any editor without further re-encoding.

Will the WAV work in Audacity, Logic, and Pro Tools?

Yes. WAV is the universal input format for all audio editors. Audacity, Logic Pro, Pro Tools, Reaper, Adobe Audition, and GarageBand all import WAV without any conversion or compatibility issues.

Are my files uploaded to a server?

No. Everything runs in your browser using FFmpeg compiled to WebAssembly. Your M4A never leaves your device.

About M4A

Apple's preferred audio format. Better quality than MP3 at same bitrate. Default for iTunes and Apple devices.

About WAV

Uncompressed audio format. Perfect quality with no data loss. Standard for music production and professional audio work.