Audio Format Converter
Convert between MP3, WAV, M4A and OGG with a choice of MP3 quality from 96 to 320 kbps.
- Runs in your browser
- No upload on server
- Free, forever
- Add audio
- Adjust
- Download
Pick a file, choose the format, and press Convert.
How this works — and why it's private
- The audio is decoded and re-encoded in your browser — the file never leaves your device.
- MP3 uses lamejs; WAV is uncompressed 16-bit PCM; OGG uses the browser's native Opus encoder.
- Change the sample rate or drop to mono to shrink the file further.
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