How to Use Audio Converter
Convert audio files between MP3, WAV, M4A and OGG using ffmpeg.wasm — entirely in your browser, no upload. First use downloads the ~30 MB engine.
Open the Audio Converter tool →What is Audio Converter?
Convert audio between MP3, WAV, M4A and OGG in your browser. It's completely free, needs no sign-up, and runs entirely in your browser — so it's fast and private.
How to use Audio Converter
- Open the Audio Converter tool.
- Add your media file.
- Choose your export settings.
- Process and download the result. Everything runs in your browser — nothing is uploaded.
Frequently asked questions
Which formats can I convert between?
MP3, WAV, M4A and OGG, in your browser via ffmpeg.wasm.
Why is conversion slow?
Encoding runs locally through ffmpeg compiled to WebAssembly, which is slower than native software; larger files take longer.
Are my audio files uploaded?
No — conversion happens entirely on your device.
Ready to try it?
Open Audio Converter →