Convert AAC to AIFF online in seconds — free, with no sign-up. Your files are encrypted and deleted automatically after 24 hours.
AAC
Advanced Audio Coding — A modern lossy codec that sounds better than MP3 at the same bitrate; Apple's default.
How to convert AAC to AIFF
- 1Upload your AAC file
Click “Choose a file” or drag and drop your AAC 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 AAC to AIFF lose quality?
Converting AAC 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 AAC to AIFF converter free?
Yes — converting AAC 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 AAC 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 AAC 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 AAC 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 AAC files to?
Besides AIFF, you can convert AAC to FLAC, M4A, MP3, OGG, OPUS, WAV and more — see the full list of AAC conversions below.
Other conversions
Last updated July 2026