How to convert AAC to AIFF
To convert AAC to AIFF, upload your AAC file, choose AIFF as the output format and press Convert. The finished AIFF file is ready to save to your phone or computer in seconds, free, with no watermark and no sign-up. Your file is deleted from our server about 30 minutes after the conversion.
This free online converter turns AAC audio files into AIFF in your browser, with no software to install and no watermark. The conversion runs on our server using ffmpeg, and the result is ready to save to your phone or computer in seconds. Your AAC file is deleted automatically about 30 minutes after the conversion.
Why convert AAC to AIFF?
- No quality loss
- Native to Mac audio software
- Supports metadata and markers
- Opens in: macOS, iTunes, Logic Pro, Pro Tools, Audacity and VLC
What to expect from this conversion
- AAC is lossy and AIFF is not, so the file gets much larger but cannot regain detail that AAC compression already removed.
- AIFF files are uncompressed and very large, about 10 MB per minute of stereo audio.
- Tags such as title and artist are carried over where AIFF supports them.
AAC vs AIFF
| Property | AAC | AIFF |
|---|---|---|
| Full name | Advanced Audio Coding (ADTS stream) | Audio Interchange File Format |
| Released | 1997, MPEG (Fraunhofer, Dolby, Sony and others) | 1988, Apple |
| Family | Audio | Audio |
| Compression | Lossy | None (uncompressed) |
| Opens in | iPhone, Android, Windows, macOS, VLC and most hardware players | macOS, iTunes, Logic Pro, Pro Tools, Audacity and VLC |
| Best for | streaming and broadcast; radio and live audio | Logic Pro and GarageBand projects; mastering and archiving on Mac |
Steps to convert AAC to AIFF
- Drop your AAC file onto the converter, or click to choose it.
- Check that AIFF is selected as the target format and adjust the options if you want.
- Press Convert, then save the new AIFF file to your device when it finishes.
Tips for the best result
- Choose High for music you care about and Small for voice recordings.
- Convert from the original lossless file when you have one.
Frequently asked questions
How do I convert AAC to AIFF?
Drop your AAC file on the converter, confirm that AIFF is the target format and press Convert. When it finishes, press Save to device or download the AIFF file. No account or software is needed.
Is the AAC to AIFF converter free?
Yes. It is free, with no watermark, no sign-up and no limit on how many files you convert. The site is supported by ads.
What should I know before converting AAC to AIFF?
AAC is lossy and AIFF is not, so the file gets much larger but cannot regain detail that AAC compression already removed. AIFF files are uncompressed and very large, about 10 MB per minute of stereo audio.
Will the sound quality change when converting AAC to AIFF?
AAC is lossy and AIFF is not, so the file gets much larger but cannot regain detail that AAC compression already removed.
Which programs open AIFF files?
AIFF files open in macOS, iTunes, Logic Pro, Pro Tools, Audacity and VLC.
How large a file can I convert?
Up to 200 MB per file. Files are deleted from the server about 30 minutes after conversion, and no one looks at them.