MP3 to M4A Converter Your MP3s in Apple's native format
Choose files
or drop them here — never uploaded
Runs entirely on your device— verify in your network tab: zero uploads.
Need Apple-native audio — for iTunes matching, an audiobook app, or an iPhone ringtone pipeline? This mp3 to m4a converter re-encodes to AAC locally. Everything happens in your browser — the file never leaves your device. (For ringtones specifically, the iPhone ringtone preset outputs M4R directly.)
How to
How to convert MP3 to M4A
- 1Drop MP3 files.
- 2Keep 192 kbps AAC, or pick the iPhone ringtone preset for M4R output.
- 3Convert and download.
Quality
Which quality should you pick?
AAC beats MP3 slightly at equal bitrates, so converting mp3 to m4a at the same bitrate as the source is safe. There's no quality to gain, though — this is a compatibility move, not an upgrade.
FAQ
Frequently asked questions
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