Convert M4A to MP3
M4A is great for high-quality music and voice recordings for Apple and Android devices, but MP3 is the better choice for sharing music, podcasts and ringtones that play on every device. Convert M4A to MP3 in seconds, right in your browser.
- No upload — 100% private
- Fast, lossless when possible
- Free & unlimited
- Works on iPhone & Android
Keep this tab open — the conversion runs on your device, nothing is uploaded.
Add more files above to keep converting.
How to convert M4A to MP3
- 1
Tap Choose files and select one or more M4A files (or drag them in).
- 2
Check that MP3 is selected. Use Advanced options for bitrate, channels or trimming.
- 3
Press Convert. Everything happens on your device — no upload, no waiting in a queue.
- 4
Your MP3 downloads automatically. Converting several files? Grab them all as a ZIP.
M4A vs MP3
Both formats are lossy, so the audio is re-encoded once. Pick High quality to keep it as close to the original as possible, or Small for the smallest file.
| M4A | MP3 | |
|---|---|---|
| Full name | MPEG-4 Audio (AAC) | MPEG-1 Audio Layer III |
| Type | Audio | Audio |
| Compression | Lossy | Lossy |
| Developed by | Apple / MPEG | Fraunhofer IIS |
| Introduced | 2001 | 1993 |
| Plays on iPhone | ✓ Yes | ✓ Yes |
| Plays on Android | ✓ Yes | ✓ Yes |
| Plays on Windows | ✓ Yes | ✓ Yes |
| Plays on Mac | ✓ Yes | ✓ Yes |
About M4A and MP3
M4A: M4A is an MPEG-4 container holding AAC audio. It sounds better than MP3 at the same size and is the default format for iPhone voice memos, Apple Music downloads and many Android recorders.
MP3: MP3 is the most widely supported audio format in the world. It uses lossy compression to make music and voice files small enough to share, while keeping quality good enough for everyday listening.
Frequently asked questions
How do I convert M4A to MP3 on my phone?
Will converting M4A to MP3 reduce quality?
Is this M4A to MP3 converter free?
Are my files uploaded to a server?
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