M4A to WAV Converter
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Drop M4A file here or
Accepts .m4a audio files
Output Settings
Channels Mono (1)
Sample Rate 8,000 Hz
Codec PCM mu-law
Format WAV
About this tool
This tool converts M4A audio files to WAV format with telephony-grade settings using FFmpeg WASM. All processing happens locally in your browser.
Output Format
- Mono channel: Single audio channel
- 8 kHz sample rate: Standard telephony rate
- PCM mu-law encoding: Common telephony codec (ITU-T G.711)
Equivalent FFmpeg Command
ffmpeg -i input.m4a -vn -ac 1 -ar 8000 -acodec pcm_mulaw output.wav