Convert m4a to wav
Converted on your device. Files never leave this tab. Output tops out around 2 GB.
Nothing is uploaded
The converter runs inside this page. Cut your network after it loads and it still works.
No account, no daily limit
No sign-up, no daily limit, no watermark, no queue behind other people's files. Batch as many M4A files as you like.
Real WAV output
Encoded by ffmpeg, the same library the command-line tools use — not a renamed extension.
About M4A
MPEG-4 Audio
An audio-only MPEG-4 file, the format iTunes and Apple Music use. It usually holds lossy AAC and sometimes lossless ALAC. Use it for iPhones, Macs and iTunes libraries, where it plays and tags natively.
About WAV
Waveform Audio File Format
A RIFF-based audio format from Microsoft and IBM, released in 1991, that almost always holds uncompressed PCM. CD-quality stereo takes about 10 MB per minute. Use it for editing, mastering and tools that want uncompressed audio; convert away from it to save space.