Your files stay on your device

MP3 to M4A

Convert MPEG Audio Layer 3 to MPEG-4 Audio
MP3M4A

Drop your MP3 files here

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Select Files

Supports: MP3

Everything is converted on this device, files never leave your browser. Files that don't match MP3 are skipped, and a file that fails conversion marks its own row without killing the batch.
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Paste, drop, or type to begin. Everything stays on this device.

Next door in Audio

- Compress Audio (/audios/compress)
- Trim Audio (/audios/trim)
All audio tools (/audios)

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