Convert M4A to AIFF online in seconds — free, with no sign-up. Your files are encrypted and deleted automatically after 24 hours.
How to convert M4A to AIFF
- 1Upload your M4A file
Click “Choose a file” or drag and drop your M4A file onto the page — no sign-up or email needed.
- 2Convert to AIFF
AIFF is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your AIFF file
Your AIFF file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
Frequently asked questions
Does converting M4A to AIFF lose quality?
Converting M4A to AIFF keeps your content intact. We use high-quality defaults so your AIFF file looks as close to the original as the format allows.
Is the M4A to AIFF converter free?
Yes — converting M4A to AIFF is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my M4A files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert M4A to AIFF on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert M4A to AIFF?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert M4A files to?
Besides AIFF, you can convert M4A to AAC, FLAC, MP3, OGG, OPUS, WAV and more — see the full list of M4A conversions below.
Other conversions
Last updated July 2026