Convert AIFF to M4A
AIFF is great for uncompressed audio for Mac and pro audio software, but M4A is the better choice for high-quality music and voice recordings for Apple and Android devices. Convert AIFF to M4A 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 AIFF to M4A
- 1
Tap Choose files and select one or more AIFF files (or drag them in).
- 2
Check that M4A 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 M4A downloads automatically. Converting several files? Grab them all as a ZIP.
AIFF vs M4A
M4A uses lossy compression, which makes the file much smaller than AIFF. Choose High quality and the difference is inaudible for most listeners.
| AIFF | M4A | |
|---|---|---|
| Full name | Audio Interchange File Format | MPEG-4 Audio (AAC) |
| Type | Audio | Audio |
| Compression | Lossless | Lossy |
| Developed by | Apple | Apple / MPEG |
| Introduced | 1988 | 2001 |
| Plays on iPhone | ✓ Yes | ✓ Yes |
| Plays on Android | ◐ Partly / with an app | ✓ Yes |
| Plays on Windows | ◐ Partly / with an app | ✓ Yes |
| Plays on Mac | ✓ Yes | ✓ Yes |
About AIFF and M4A
AIFF: AIFF is Apple's uncompressed audio format — the Mac equivalent of WAV. It is used in GarageBand, Logic Pro and professional audio workflows.
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.
Frequently asked questions
How do I convert AIFF to M4A on my phone?
Will converting AIFF to M4A reduce quality?
Is this AIFF to M4A converter free?
Are my files uploaded to a server?
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