M4A to MP3 converter
Convert iPhone voice memos & M4A audio to MP3 — free, private, runs in your browser.
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Click to choose M4A files or drag & drop here
Supports .m4a — multiple files OK
Converting…
All conversion happens in your browser using the Web Audio API. No files are uploaded to any server. Your audio stays private.
How to convert M4A to MP3
1
Click or drag your M4A files into the upload area — supports multiple files at once.
2
Choose quality — 192 kbps is good for most uses; 320 kbps for the best audio fidelity.
3
Click Convert — the tool processes your audio entirely in your browser.
4
Download your MP3 files directly to your device.
Why M4A from iPhone?
iPhone records voice memos and exports audio in M4A (MPEG-4 Audio) format. While M4A has great quality, many platforms — Windows Media Player, older car stereos, podcast editors — only accept MP3. This tool bridges the gap.
FAQ
Are my files uploaded to a server?
No — conversion runs entirely in your browser using the Web Audio API. Your files never leave your device.
Will I lose audio quality?
M4A is already compressed, so some quality loss is unavoidable. Choosing 256 or 320 kbps minimises this significantly.
Can I convert multiple files?
Yes — select as many M4A files as you need and they will all be converted and available for download.
What about iPhone voice memos?
Voice memos export directly as .m4a from the Voice Memos app. Just share the file to your computer and drop it here.