Convert Audio

Drop an audio file here or click to browse

MP3, WAV, FLAC, AAC, OGG, M4A

How it works

1

Drop your audio file

Drop an MP3, WAV, FLAC, AAC, OGG, or M4A file.

2

Choose output format

Select the format you need: lossy (MP3, AAC) or lossless (WAV, FLAC).

3

Download converted audio

FFmpeg runs in your browser. Converted audio downloads when complete.

Why Mutari?

  • ✓ Your files never leave your browser. No server processing, ever
  • ✓ Works offline once the page loads
  • ✓ No account, no signup, completely free
  • ✓ Powered by FFmpeg WebAssembly for production-grade encoding in your browser

Unlike cloud-based tools

Most online conversion tools upload your files to their servers for processing. Mutari is different: everything runs in your browser using WebAssembly. No file ever leaves your device, which means no privacy risk, no upload wait time, and no file size restrictions imposed by server limits.

Frequently asked questions

What audio formats are supported?
Input and output: MP3, WAV, FLAC, AAC, OGG, M4A. Convert between any supported pair.
Does conversion affect audio quality?
Converting to lossy formats (MP3, AAC, OGG) involves some quality loss. Converting to lossless formats (WAV, FLAC) preserves full quality.
How does browser-based conversion work?
Mutari uses FFmpeg compiled to WebAssembly. The same professional-grade encoding engine used by video editors runs directly in your browser.

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