How to convert M4A to WAV (PCM)
- Choose or drop one M4A file up to 100 MB.
- Start the conversion and keep this tab open while the browser processes the audio.
- Download the verified WAV (PCM) result.
What this conversion creates
The output is a real WAV (PCM) file encoded as PCM 16-bit. AudibleLite runs a bundled WebAssembly audio engine locally; it does not rename the extension or send your audio to an application conversion server.
When this format helps
WAV is a useful intermediate format for editors, transcription tools, and production software.
Common AAC and ALAC M4A files are decoded when supported by the bundled engine. The output will be much larger.
Quality and file-size limits
A WAV made from lossy AAC does not recover details removed during the original compression.
PCM WAV is uncompressed, so output size grows with duration, sample rate, channel count, and bit depth. A one-minute stereo 44.1 kHz 16-bit file is roughly 10 MB.
Need the other direction? Convert WAV to M4A (AAC).
Open reverse converterRelated audio converters
Privacy note
The selected audio stays in this browser during conversion. The hosting provider may receive ordinary request information when it serves this page and the self-hosted engine files; it does not receive the audio through AudibleLite's conversion code. Read the privacy policy for details.