WAV to M4A audio converter
Decode WAV and record real M4A audio using a supported browser encoder. Conversion runs locally; encoding support varies by browser and recordings are limited to two minutes.
WAV to M4A audio converter
Decode WAV and record real M4A audio using a supported browser encoder. Conversion runs locally; encoding support varies by browser and recordings are limited to two minutes.
The input is processed in your browser. Review the settings before exporting, and keep a copy of the original.
Conversion limitations
The decoder must support the original codec, and MediaRecorder must support the requested output container. If the browser cannot encode it, the converter gives an error rather than producing a mislabeled file.
Instructions
- 1
Choose the source file or paste the source text into the tool.
- 2
Adjust the available output settings, then run the conversion.
- 3
Inspect the result and download it; keep the original for comparison.
About this tool
Decode WAV and record real M4A audio using a supported browser encoder. Conversion runs locally; encoding support varies by browser and recordings are limited to two minutes.
This uses real-time encoding and requires MediaRecorder with WebM/Opus support; maximum 120 seconds of audio.