AIFF to M4A converter

Convert AIFF to M4A for free, right in your browser. Your files never leave your device.

Choose AIFF files or drop them here · paste a link below

Converted on your device · never uploaded · Free limits

Where it runs: On your device
Free allowance: Unlimited
Typical time: Usually under 5 seconds
Sign-up: Not needed

What happens to your AIFF

M4A is compressed, so the file becomes much smaller. At the default setting most listeners cannot hear a difference.

This conversion runs inside your browser, so the file is never uploaded. Files over 400 MB are sent to our server instead, and deleted within 60 minutes.

How to convert AIFF to M4A

Choose your file Tap Choose files and pick the AIFF file, or drop it onto the page. You can add several at once.
Convert to M4A The conversion starts on your device straight away. Nothing is uploaded.
Download Tap Download to save the result.

What is an AIFF file?

Apple's uncompressed audio format, the Mac equivalent of WAV.

macOS, iTunes, Logic, GarageBand and VLC open AIFF.

More about AIFF files

What is an M4A file?

Apple's standard audio container, usually holding AAC audio. It sounds better than MP3 at the same size and is what iPhone voice memos and iTunes use.

iPhone, Mac, Windows Media Player, VLC and Android play M4A.

More about M4A files

Questions

Is converting AIFF to M4A free?

Yes, completely. This conversion runs on your device, so there is no daily limit and no sign-up. We never ask you to pay after you have converted.

Is it safe to convert my AIFF files here?

Yes. The conversion happens inside your browser, and the file never leaves your phone or computer.

How long does AIFF to M4A take?

Usually under 5 seconds. Bigger files take longer, and you can watch the progress on each file.

Can I convert AIFF to M4A on my iPhone or Android phone?

Yes. The converter works in Safari, Chrome and any modern browser. Tap Choose files, pick from Photos or Files, and download the result to your phone.

How do I open an M4A file?